Important Acronyms and Terms Flashcards
A
Adenine
AA
Amino Acid
AAAS
Alberta Association of Agricultural Societies
AAEA
Alberta Agricultural Economics Association
AAFC
Agriculture and Agri-Food Canada
Ab
Antibody
ABP
Alberta Beef Producers
ACUC- L
Alberta Care and Use Committee for Livestock
ACCRU
Alberta Cooperative Conservation Research Unit
ACFA
Alberta Cattle Feeders Association
AC
Alberta Chicken
ACPPTC
Alberta Chicken Producers Poultry Technology Centre
ACTH
Adrenocorticotrophic Hormone
ACTS
Alberta Conservation and Tillage Society
ADF
Acid Detergent Fibre
ADG
Average Daily Grain
ADH
Anti- Diuretic Hormone
ADP
Adenosine Diphosphate
ADSA
Alberta Dairy Science Association
AESA
Alberta Environmentally Sustainable Agricultural Council
AFAC
Alberta Farm Animal Council
AFC
Agriculture and Food Council
AFNS
Agriculture, Food, and Nutritional Science
AFPA
Alberta Food Processors Association
AFSC
Alberta Financial Services Coorporation
Ag/ Antigen
a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.
AGC
Alberta Grain Commission
AHEP
Alberta Hatching Egg Producers
AHFMR
Alberta Heritage Foundation for Medical Research
AI
Artificial Insemination or Avian Influenza
AI- Bio
Alberta Innovates Biosolutions
AIA
Alberta Institute of Agrologists
AIC
Agricultural Institute of Canada
AITG
Agri- Industry Trade Group
ALES (faculty)
Agriculture, Life, and Environmental Sciences
ALF
Animal Liberation Front
ALMA
Alberta Livestock and Meat Agency
AME
Apparent Metabolizable Energy
AM
Alberta Milk
ANAC
Animal Nutrition Association of Canada
ANS
Automatic Nervous System
AOPA
Agriculture Operations Practices Act
APF
Agriculture Policy Framework
APHIS
Animal and Plant Health Inspection Service
APMA
Agricultural Products Marketing Act
ARC
Alberta Research Council
ARD
Alberta Agricultural and Rural Development
ASAS
American Society of Animal Science
ASBG
Alberta Sugar Beet Growers
ASRD
Alberta Sustainable Resource Development
ASWC
Alberta Sheep and Wool Commission
ASWPC
Alberta Soft Wheat Producers Council
ATP
Adenosine Triphosphate or Alberta Turkey Producers
BCA
Breed Class Average
BCS
Body Condition Score
BF
Butterfat
BMP
Beneficial Marketing Practices or Best Management Practices
BMR
Basal Metabolic Rate
BSE
Bovine Spongiform Encephalopathy
BST
Bovine Somatotrophin
BVD
Bovine Viral Diarrhea
BW
Body Weight
C
Cytosine
CA
Corpus Albicans
CAHC
Canadian Animal Health Coalition
CAHI
Canadian Animal Health Institude
CALAS
Canadian Association for Laboratory Animal Science
CAP
Classroom Agriculture Program
CARC
Canadian Agri- Food Research Council
CARD
Canadian Adaptation and Rural Development Fund
CBBC
Canadian Beef Breeds Council
CBC
Canadian Broilers Council
CHEP
Canadian Hatching Egg Producers
CCA
Canadian Cattleman Association
CCAC
Canadian Council on Animal Care
CCIA
Canadian Cattle Identification Agency
CCP
Critical Control Point
CCWG
Canadian Cooperative Wool Growers
CDC
Canadian Dairy Commisions
CDIC
Canadian Dairy Information Centre
CEITS
Canadian Egg Industry Traceability
CEMA
Canadian Egg Marketing Agency
CF
Crude Fibre
CFA
Canadian Federation of Agriculture
CFC
Chicken Farmers of Canada
CFIA
Canadian Food Inspection Agency
CFO
Confined Feeding Operations
CJAS
Canadian Journal of Animal Science
CJD
Creutzfeldt Feeding Operations
CL
Corpus Luteum
CLA
Conjugated Linoleic Acid
CLRC
Canadian Livestock Records Corporation
CITIP
Canadian Industry Traceability Infrastructure Program
CME
Chicago Mercantile Exchange
CNS
Central Nervous System
CoA/ Coenzyme A
Coenzyme A is a coenzyme, notable for its role in the synthesis and oxidation of fatty acids, and the oxidation of pyruvate in the citric acid cycle
COFFS
Canadian On- Farm Food Safety Program
COP
Cost of Production
CP
Crude Protein
CPEPC
Canadian Poultry and Egg Processors Council
CPRC
Canadian Poultry Research Council
CRFA
Canadian Restaurant and Food Services Association
CSAS
Canadian Society of Animal Science
CSBA
Canadian Sheep Breeders Association
CSCFSC
Canadian Supply Chain Food Safety Coalition
CSF
Cerebrospinal fluid
CSGA
Canadian Seed Growers Association
CSIP
Canadian Sheep Identification Program
CTP
Canadian Turkey Producers
CWD
Chronic Wasting Disease
DDGS
Distiller’s Dried Grains with Solubles
DE
Digestible Energy
DFC
Dairy Farmers of Canada
DFD
dry, firm, dark (condition of meat)
DHI
Dairy Heard Improvement
DM
Dry Matter
DNA
deoxyribonucleic acid
DOA
Dead On Arrival
DRTC
Dairy Research and Technology Centre
DY
Double Yolked Egg
EAE
Enzootic Abortion of Ewes
EE
Ether Extract
EFA
Egg Farmers of Alberta
EFC
Egg Farmers of Canada
EFP
Environmental Farm Program/ Plan
EGPM
Environmental Good Practice Manual
EIA
Environmental Impact Assessment
ELISA
Enzyme Linked Immunoadsorbent Assay
END
Exotic Newcastle Disease
EODES
Erratic Oviposition and Defective Egg Syndrome
ET
Embryo Transfer
FA
Fatty Acid
FADEN
Foreign Animal Disease Eradication Network
FADES
Foreign Animal Disease Eradication Support
FASS
Federation of Animal Sciences Societies
FCC
Farm Credit Canada
FCPMC
Food and Consumer Products Manufacturers of Canada
FCR
Feed Conversion Rate
FE
Feed Efficiency
FMD
Foot and Mouth Disease
FPA
Federal/Provincial Aggreement
FPPAC
Further Poultry Processors Association of Canada
FSEP
Facility, Services, and Equipment Profile
FSH
Follicle Stimulating Hormone
FTA
Free Trade Agreement
F & W
Fish and Wildlife
G (DNA)
Guanine
GATT
General Agreement on Tariffs and Trade
GE
Gross Energy
GF
Growth Factor
GH
Growth Hormone
GIT
Gastro- Intestinal Tract
GMP
Good Manufacturing Practices
GnRH
Gonadotropin Releasing Hormone
h^2
Heritability
HACCP
Hazard Analysis Critical Control Point
HCG
Human Chorionic Gonadotropin
HD
Hen Day Egg Production
HDL
High Density Lipoproteins
HH
Hen Housed Egg Production
HISC
HACCP Implementation Steering Committee
HSUS
Humane Society of the United States
IAMF
Innovation on Agribusiness Management Fund
IBR
Infectious Bovine Rhinotracheitis
ICAR
Inventory of Canadian Agri-Food Research
ICL
Important Control List
Ig
Immunoglobulin
IGF
Insulin- like Growth Factor
ILT
Infectious Laryngotracheitis
ILWG
Intensive Livestock Working Group
IM
Intramuscular
INTEGRA
Integrated Agriculture
IP
Identity Preservation or Intraperitoneal
IQF
Individually Quick Frozen
ISRIP
Innovation and Science Research Investments Program
IV
Intravenous
IVF
In vitro Fertilization
JAPR
Journal of Applied Poultry Research
JAS
Journal of Animal Science
JIT
Just in Time (production efficiency strategy)
LASA
Laboratory Animal Science Association
LCF
Least Cost Formula
LDA
Left Displacement Abomasum or Liquidated Damages Assessment Agreement
LDL
Low Density Lipoproteins
LH
Luteinizing Hormone
LWF
Large White Follicles
LYF
Large Yellow Follicles
MAK
Modified Atmosphere Killing
MCF
Malignant Catarrhal Fever
ME
Metabolizable Energy
ME_m
ME requirement for Maintenence
MPIP
Modern Poultry Inspection Program
MSQ
Market Share Quota
NAASA
National Association of Supervisory Agencies
NAD
Nicotinamide Adenine Dinucleotide
NADP
Nicotinamde Adenine Dinucleotide Phosphate
NAFTS
National Agriculture and Food Traceability System
NAPA
National Allocation and Pricing Agreement
NBIDF
National Beef Industry Development Fund
NDF
Neutral Detergent Fibre
NE
Net Energy
NE_m
Net Energy of Maintence
NE _p
Net Energy of Production
NFE
Nitrogen Free Extract
NLID
National Livestock Identification Program for Dairy Cattle
NLTS
National Livestock Traceability Systems
NPFC
National Farm Products Council
NRC
National Research Centre
NRCB
National Resources Conservation Board
NSP
Non- starch polysaccharide
NVL
No Visible Lesions
OAB
Original Alberta Beef
OFFSAP
On-Farm Food Safety Assurance Program
OIE
World Organization for Animal Health (Office International des Epizooties)
OT
Oxytocin
OTM
Over Thirty Months
PETA
People for the Ethical Treatment of Animals
PG
Prostaglandin
PID
Premises Identification
PMSG
Pregnant Mare Serum Gonadotropin
PMU
Pregnant Mare Urine
PNS
Parasympathetic Nervous System
PRL
Prolactin Hormone
PSA
Poultry Science Association
PSE
pale, soft, exudative (condition of meat)
PSS
Porcine Stress Syndrome
PST
Porcine Somatotropin
PTH
Parathyroid Hormone
PUFA
Polyunsaturated Fatty Acids
QAP
Quality Assurance Program
RBC
Red Blood Cell
RFI
Residual Feed Intake
RH
Relative Humidity
RIA
Radioimmunoassay
RME_m
Residual ME_m (Maintenance Requirement)
RNA
Ribonucleic Acid
RP
Rectal Prolapse or Retained Placenta or Retractor Penis Muscle
RTE
Ready to Eat
SDM
Specifically Defined Mixture
SDS
Sudden Death Syndrome (flip syndrome)
SG
Specific Gravity
SIP
Seed Industry Partnership
SM5 (What are the 5 supply managed commodities in Canada?)
Milk, Chicken, Eggs, Turkey, Broiler hatching eggs
SNS
Sympathetic Nervous System
SNP
Single Nucleotide Polymorphism
SPCA
Society for the Prevention of Cruelty to Animals
SPCAR
Standing Policy on Agriculture and Rural Development
SQ (SubQ)
Subcutaneous
SRM
Specified Risk Materials
SRTC
Swine Research and Technology Centre
SST
Sperm Storage Tubules
STH
Somatotropin Hormone
SWF
Small White Follicles
SYF
Small Yellow Follicles
T (DNA)
Thymine
T_3
Triiodothyronine
T_4
Thyroxine
TB
Tuberculosis
TCA
Tricarboxylic Acid
TDN
Totally Digestible Nutrients
TGE
Transmissible Gastroenteritis
TH
Thyroid Hormone
TME
True Metabolizable Energy
TMR
Total Mixed Ration
TP
True Protein
TRQ
Tariff Rate Quotas
TSH
Thyroid Stimulating Hormone
TSMO
Traceability Systems Management Office
TTT
Traceability Task Team
U (RNA)
Uracil
UA
University of Alberta
UCVM
University of Calgary Faculty of Veterinary Medicine
UFA
United Farmers of Alberta
UGG
United Grain Growers
USDA
United States Department of Agriculture
UTM
Under Thirty Months
UVJ
Utero- Vaginal Junction
VFA
Volatile Fatty Acids
VIDO
Vaccine and Infectious Disease Organization
VLDL
Very Low Density Lipoproteins
WBC
White Blood Cell
WCVM
Western Collage of Veterinary Medicine
WTO
World Trade Organization
Abomasum
Fourth of four compartments of the
ruminant stomach; ‘true’ stomach; equivalent to the
stomach of monogastrics
Acid Detergent Fibre
Components of feedstuff not
solubilized by an acid detergent (i.e. – cellulose,
lignin)
Acidosis
Digestive upset caused by a drop in rumen
pH
Active Immunity
Direct exposure to, or vaccination
with, infectious agents to elicit an immune response
Acute
A disease in which symptoms arise quickly and
to a severe degree; often not prolonged and ends in
death or recovery
Additive
Substance added to the feed; usually for
nutritional or medicinal purposes
Adenohypophysis
Anterior pituitary; releases LH
and FSH
Adipose Tissue
Fat cells (containing lipids), which are arranged into lobules
Ad Libitum
Feeding regime which provides as much
feed as the animals consume; there is no restriction
of feed intake
Adrenocorticotropic Hormone
Released from
anterior hypophysis; stimulates the adrenal cortex to
secrete glucocorticoids and mineralocorticoid
Alektorophobia
fear of chickens
All- in All- out
Management practice is which all
animals are moved in and moved out of the a
certain facility at the same time in order to allow for
complete cleaning in between cycles, and therefore
reduce the chance of a disease being spread
between groups or generations
Ampullae/ Ampulary Glands
Male reproductive
accessory gland; enlargement of the vas deferens
Anestrus
Period in the female reproductive cycle of
no sexual activity
Anthropomorphism
Assigning of human attributes,
such as emotions to animals
Antibiotic
Medicant used in combating a bacterial
infection
Antibody
Protein produced by the body as part of
the specific defence mechanism against/in response
to invasion by foreign agents
Antidiuretic Hormone
Secreted by the posterior
pituitary; prevents excess water loss from the body
by re-absorbing water from the kidneys
Antigen
A substance foreign to the body of
organism, which elicits an immune reaction upon
entering the body
Antiseptic
Chemical used with the intent of reducing
bacterial populations
Antitoxin
Used in combating the toxins produced by
bacteria
Anus
Exiting point of undigested feed materials, in
the form of feces, from the digestive tract of an
animal
Apparent Digestability
Proportion of nutrient in a
feed that is digested and absorbed in the digestive
tract, calculated as the amount of nutrient in feed
minus the amount of nutrient in feces; apparent
digestibility is not corrected for endogenous
materials
Apparent Metabolizable Energy
Proportion of energy in a feed that is digested and absorbed in the digestive tract, calculated as the amount of energy in feed minus the amount of energy in feces; apparent metabolizable energy is not corrected for endogenous energy loss
Appetite
Desire to feed or consume water
Artificial Insemination
Creation of a pregnancy without direct contact between the dam and sire; semen collected from the sire is deposited into the uterus of the dam with the use of semen straws
As- fed
When considering the values of a feed when
the inherent water has not been removed
Atresia
Degeneration of a follicle during development
Avian
Pertaining to birds (in agriculture, particularly
the domesticated species of poultry)
Aviary
Facility in which birds are housed
Backgrounding
Putting calves on pasture before
market
Basal metabolism
Energy expended by an animal
which is resting in environmentally comfortable
conditions approximately 12 hr after eating (postabsorptive
state)
Barrow
Castrated male pig
Bioassay
A test performed to determine the
difference of the effect of a drug or substance on a
test organism compared to the standard preparation
Biosecurity
Plan to the entry or spread of a disease
in a flock/herd or between flocks/herds
Bloat
Inability for gas produced in the rumen to be
diffused, resulting in an accumulation
Boar
Intact male pig
Bolus
1) Feed regurgitated to be re-chewed in
ruminants (i.e. – cud);
2) Orally administered capsule
Bovine
Pertaining to cattle
Breech
Birth in which the offspring is not in position
to exit the birth canal properly
Breed
Group of organisms within a species with
common ancestors, common and distinguishable
features; distinguishable characteristics often arise
from selective breeding
Broiler
Domestic fowl that is raised for it’s increased
yield of muscle; chickens usually marketed at
approximately 2 kg liveweight
Brother
Male chick from the female line; not used in
breeding; arises from errors in sexing
Buck
Male goat or deer
Bulbourethral Glands/ Cowpers glands
Male reproductive accessory glands; secrete fluid that is added to the sperm before ejaculation
Bull
Intact male bovine; male elk
Bull- calf
immature intact male calf
Burrdizzo
Instrument used for bloodless castrating
Burro
Donkey
Butterfat
Proportion of fat in milk produced by a
dam
Caesarian Section
Surgical delivery of a calf (rather
than vaginally)
Calcitonin
Released by the thyroid; decreases blood
plasma levels of calcium
Calf
Young bovine and some cervids (less than one
year of age)
Capon
Castrated male chicken
Caprine
Pertaining to goats
Carcass
Body of a slaughtered animal which has had
viscera and offal removed
Castration
Removal of the reproductive organs;
rendering an organism unable to reproduce
Caudal
Anatomical descriptor; meaning towards the
tail or rear of an organism
Cecum
First section of the large intestine; blind sac;
contains anaerobic bacteria beneficial in the
fermentation of feedstuffs, especially in such hindgut
fermentors as horses and rabbits; equivalent to
the appendix in humans
Cell- Meditated Immunuty
Reaction of white blood
cells and phagocytic cells to the invasion of foreign
materials
Cervix
Tight seal between the uterus and vagina
Chevon
Goat meat
Chromosome
DNA molecule
Chronic
A disease with a long duration which arises
slowly; may be somewhat resistant to treatment,
and can result in impaired function
Citric Acid Cycle (also TCA cycle or Krebs cycle)
Metabolic pathway in animal cells through which
carbohydrates are oxidized to energy
Claw
1) Chick toenail;
2) Part of a milking machine which attaches
directly to the teat of the cow in order to obtain milk
Cleiodoic
Embryo development in a closed
environment (e.g. – an egg)
Cloaca
Area immediately preceding the vent in avian
species; access to the reproductive, urinary, and
digestive systems
Cockerel
Male chicken prior to sexual maturity
Coenzyme
Molecule which in necessary in the
activation of an apoenzyme to an enzyme
Colostrum
Initial secretion of the mammary glands
immediately following parturition; high in fat,
nutrients, and immunoglobulins for the benefit of
the offspring
Colt
Young male horse
Colon
Major portion of the large intestine; contains
anaerobic bacteria for degradation of feedstuffs
Comb
Flesh running from the top of the beak
towards the back of the skull in chickens
Concentrate
Feedstuff high in energy; also low in
fibre; e.g. – grains
Condition
Level of fatness on a carcass
Conditioned Reflex
Developed reflex where
something unrelated becomes mentally associated
with another thing
Conformation
Structure of the body of an animal
Congenital
a defect acquired before birth/hatching
Contagious(Communicable/Transmissible) –
Spread amongst organisms by direct or indirect
contact
Corpus Luteum
Yellow body formed at the site of
ovulation on an ovary; important in hormone
regulation of pregnancy and reproduction
Cortical Bone
Hard outer layer of bone
Cow
Mature female bovine
Cranial
Anatomical descriptor; indicates towards the
head or front of an organism
Creep- feed
Providing feed to nursing offspring in
order to promote ease in weaning
Crop
Site of feed storage in the avian digestive
system; a sac attached to the esophagus, anterior to
the proventriculus and gizzard
Crossbreeding
Production of offspring by parents
that are not related and are of different breeds
Crude Fibre
Insoluble carbohydrates (upon boiling in
acid and alkali during proximate analysis) of a
feedstuff; poorly digested by animals
Crude Protein
Protein content of a feed stuff as
estimated by multiplying the nitrogen content by a
factor (often 6.25) during proximate analysis; the
non-protein and true protein components taken
together
Cryptorchid
1) Failure of one or both of the testicles
to drop into the scrotum, cause partial or full sterility
Animal Science 200 Handbook – January 2014 10
2) A male animal castrated by pushing the testicles
back up into the body cavity and maintaining this
position using an elastrator; this effectively sterilizes
the male (arrests sperm production), while
production of male hormones is continued
Cull
Removing a low-producing, injured, sick or
otherwise inferior animal from the group; also, a
term for that animal
cwt
hundred weight (cent in Latin, meaning 100);
the unit of weight on which cattle are sold ($/cwt).
For example, an 860 pound carcass at a rail price of
$150/cwt would be worth 8.6 cwt x
$150/cwt=$1,290
Dairy Character
Characteristics unique to dairy
breeds which make them suitable for use in the
dairy industry
Dam
Maternal Parent Unit
Diet
Combination of feedstuffs provided on a
determined schedule; should provide the necessary
nutrients in sufficient quantities for health, growth,
and production
Disease
Abnormal change within the body
Displacement Behaviour
Usual behaviour of an animal which is used at the wrong time or place
Distal
Anatomical descriptor; indicates the location of
something relatively distant
DNA
Molecule encoding the genetic make-up of an
organism. Comprised of repeating nucleotides,
which are units of a nitrogen base (one of: adenine,
cytosine, guanine, thymine, uracil), a pentose sugar,
and a phosphate group
Dock
remove a section of the tail
Doe
Female goat
Dorsal
Aspect of the area of the spine; ‘back’ of a
bipedal organism, upper half of a quadruped
Draft
Animals (usually horses, cattle, oxen) used in
pulling heavy loads or working agricultural land
Drench
Administration of a liquid medication orally
Drake
male duck
Dry cow
A cow which is not producing milk
Dry matter
Proportion of a feed that remains upon
removal of water
Duodenum
First section of the small intestine;
contains ducts from the gall bladder and pancreas
Duck
Female duck
Duckling
Young duck
Dystocia
Difficulty or complications during calving
Elastrator
Tool used to apply the rubber band in
castration or tail docking by elastration
ELISA
Immunoadsorbent assay which determines the
presence or degree of action of an antigen or
antibody through reaction with an enzyme-linked
antibody or antigen to elicit a colour change of the
solution
Embryo
Developing organism:
1) between the stages of cellular division and
birth/hatching
2) first 45 days of pregnancy in cattle
Endemic
A human disease particular to a certain
geographical area or population; often, it involves
low morbidity and persists over a long period of time
Endocrine
Pertains to the system of glands which
release hormones directly into the blood in order to
effect metabolic changes
Endogenous
Produced or caused within an organism
Energy Hierarchy
Schematic of the energy
consumed, produced, and utilized by an animal:
Gross energy (GE): Total energy present in a feed as
determined by bomb calorimetry
Digestible energy (DE): Gross energy minus the energy
of feces
Metabolizable energy (ME): Digestible energy minus the
energy of urine and gas
Net energy (NE): Metabolizable energy minus the heat
increment of feeding
Net energy of maintenance: Energy required to
maintain normal body function (homeostasis)
Net energy of production: Net energy remaining after
maintenance has been completed which can go
towards production of further substances, such as
muscles, milk, eggs, wool, or offspring
Enzootic
An animal disease commonly affecting a
certain geographic area or population
Enzyme
Reaction-specific organic protein catalyst;
initiates or increases speed of said reactions
Epidemic
Sudden and unusual rise in the incidence
of an illness or disease within a certain population
Epididymis
Coiled tube in the male reproductive
system, used in transporting sperm from the testis
to the vas deferens and storage of mature sperm
Epiornitic
Avian Epidemic
Epizootic
Animal epidemic
Equine
Pertaining to horses
Eructation
Belching of the gaseous products of
rumination (i.e. – CO2 and CH4)
Erythrocyte
Red blood cell
Esophageal groove
Muscular tube which closes to
allow milk to bypass the reticulorumen when a
young ruminant is suckling
Estrogen
Female sex steroid; produced in the ovary;
involved in estrus and development/maintenance of
secondary sex characteristics
Estrus
Period during a female reproductive cycle
when the female is in heat and is willing to mate
Etiology
Study of factors that contribute to the
occurrence of a disease
Ewe
Mature female sheep
Ewe lamb
young female sheep
Exogenous
Produced or caused outside of the body
Extensive Management
Production system which
is based upon low input; mainly involves pasture
and grazing
Farrow
To give birth to a litter of piglets
Fatty Acid
Organic acid which combines with
glycerol to form fat
Fawn
Juvenile deer or either gender
Fecal
Pertaining to feces
Feces
Undigested material and endogenous materials
which are expelled from the digestive tract via the
anus
Feed Efficiency
The units of feed required per unit
of agricultural product; a lower amount of input per
unit of product indicates that the animal can utilize
feed more efficiently, and is an economic benefit
when compared to an animal which utilizes feed less
efficiently
Feed Restriction
Limiting the amount of feed the
animal have access to; this can be accomplished
through low amounts of diet or through low
amounts of nutrients in a ration
Feedstuff
A substance deemed appropriate for use
as an animal food
Fertility/Fecundity
Ability of an animal to
reproduce; to produce viable gametes and offspring
Fertilization
Production of a zygote through
syngamy of maternal and paternal gametes
Fetus
1) Developing offspring once it has become
recognizable (differentiated such that limbs are
distinct)
2) Developing calf after the 45 day of pregnancy
Filly
Young female horse
Finish
The prepare an animal for market by feeding
to accumulate the desired amount of fat
Finisher
Ration for animals ready for market
First-calf Heifer
Young female bovine that is
pregnant with or nursing her first calf
Five Freedoms
Guidelines established in an effort to
define the optimal living conditions of animals in
captivity
Freedom from pain, injury, and disease
Freedom from starvation and malnutrition
Freedom from fear and distress
Freedom from thermal and physical discomfort
Freedom to express normal behaviours
Flight zone
Distance of an object to an animal
before the animal will move away
Flushing
Increasing level or quantity of feed 2 to 3
weeks prior to breeding in order to increase fertility
Foal
Young offspring of a horse (either gender)
Follicle Stimulating Hormone
Hormone secreted
by the anterior pituitary; encourages development of
oocytes or sperm
Foodstuff
A substance deemed appropriate for use
as a human food
Forage
Feedstuffs of mainly vegetative matter, such
as hay, silage, or pasture
Forced Molting (forced rest)
Forcing a flock of
laying chickens to lost their feathers in order to
stimulate another (somewhat shorter) production
cycle
Founder
Overeating of grain or rich grass causing
severe hoof inflammation
Fowl
1) Domesticated avian species
2) Female chicken at the end of 1 year of production
Free Range
Agricultural commodities produced to
meet certain standards such that they are deemed
‘free range’; for example, free range eggs are
produced when laying hens are allowed access to
the outdoors
Free Run
Agricultural commodities produced to meet
certain standards such that they are deemed ‘free
run’; for example, free run eggs are produced when
laying hens are not housed in cages, but are freeroaming
on a floor
Fresh
Give birth
Functional food
A functional food is similar in
appearance to, or may be, a conventional food that
is consumed as part of a usual diet, and is
demonstrated to have physiological benefits and/or
reduce the risk of chronic disease beyond basic
nutritional functions, i.e. they contain bioactive
compound.
Source: http://www4.agr.gc.ca/AAFC-AAC/display-affich
er.do?id=1171305207040&lang=eng
Gamete
Mature sex cell which is capable of fusing
with another of the other sex to form a zygote
Gander
Male goose
Gelding
Castrated male horse
Gene
Unit of heredity, occupying a specific location
on a chromosome
Gestation
Pregnancy
Gizzard
Digestive organ in avian species, distal to
the proventriculus, which acts to reduce feed
particle size by a grinding action of two large
muscles
Glucagon
Hormone secreted by the pancreas;
stimulates an increase in blood sugar levels by
converting glycogen to glucose for use by the body
Glycolysis
Metabolic conversion of glucose to lactic
acid, for use in further energy yielding metabolism
Gonadotropin Releasing Hormone
Hormone
released from the hypothalamus; regulates the
release of LH and FSH
Goose
Female Goose
Gosling
Immature goose
Grower
Ration for young and growing animals
Growth factors
Substances which effect the growth
and differentiation of cells/tissues/organs
Growth Hormone
Released by the anterior
pituitary; stimulates growth
Guinea Hen
Female guinea fowl
Guinea Rooster
Male guinea fowl
Habituation
Animal’s progressively decreased
reaction in response to a stimulus
Hatchability
Proportion of eggs that hatch out of
the number that were set in the incubator
Hatcher
Machine which artificially incubates eggs
during the last three days of the incubation period,
until the eggs hatch
Health
Well-being, emotionally, physically, and
mentally
Heifer
Female bovine prior to first calving
Heifer calf
female calf
Henny
Infertile offspring of a female donkey and
male horse
Heritability
Proportion of variance amongst
individuals that is attributable to differences in
genetics
Hen
Mature female chicken, female turkey (also
female duck, goose)
Hind
Adult female elk
Homeotstasis
Effect of mechanisms within the body
which maintain internal environmental conditions
between acceptable standards
Homeorhesis
Mechanisms which regulate the
internal environment of the body during times of
physiological change/stress, such as pregnancy or
illness
Homeothermic
Animals which are warm-blooded;
can maintain their own body temperature, despite
fluctuations in the external environmental
temperature
Hormone
Internal body secretion, carried via the
blood to a specific destination in which it elicits a
specific response
Humoral Immunity
Production of highly specific
antibodies in response to the presence of antigens
Hunger
Sensation of requirement of food
Hybrid
Describing the offspring of two different
strains or breeds of animals, in which there are
genetic traits present from both of the parents
Hybrid Vigor
Degree to which an offspring with a
combination of breed genetics is superior to its noncrossbred
parents
Ileum
Third and final section of the small intestine;
nutrient absorption occurs here
Immunoglobulin
Globular protein in the blood
serum which has antibody properties
Impaction
When a tubular structure of the body is
blocked and passage of materials can not occur
Incubator
Machine which artificially incubates eggs
for 18 days, prior to transfer to the hatcher
Inbreeding
Production of offspring by related
parents
Infectious
Capable of causing an infection in the
body
Infundibulum
First section of the oviduct in avian
species, responsible for catching the yolk upon
ovulation; site of fertilization and a degree of sperm
storage
Invasiveness
Ability of a foreign agent to spread
from the original site of infiltration of the body of the
organism to the circulatory system
Insulin
Hormone secreted by the pancreas;
decreases blood sugar levels by converting glucose
to glycogen for storage
Intensive Management
Production system
involving high production input costs; characterized
by many animals being housed in close proximity
Ionophore
Molecule which increases the
permeability of a cell membrane to an ion; often
used as a growth promoting agent
Isomer
Molecular compound having the same
constituents of composition as another, but the
constituents are found in another formation
Isotope
Atoms of which there are more than one
variety, in that the atoms have the same number of
proton but a varying number of neutrons
Isthmus
Third section of the oviduct in which shell
membranes are added to an egg
Jejunum
Second and middle section of the small
intestine; has an important role in nutrient
absorption
Jenny
Female Donkey
Jack
Male donkey
Keet
young guinea fowl
Kid
Young goat
Lactating
When a cow is producing milk
Lactational Anestrous
A period of anestrous (either
complete anestrous, or depressed reproductive
ability) resulting from lactating to provide for the
current offspring
Lamb
Young sheep (under 1 year of age)
Large Intestine
Section of the digestive tract
responsible for absorption of electrolytes and water;
comprised of the cecum, colon, and rectum
Lipid
Substances soluble in fat solvents; include fats,
oils, phospholipids, glycolipids, lipoproteins, fatty
acids, and alcohols
Luteinizing Hormone
Hormone produced by the
anterior pituitary; responsible for ovulation and
development of the corpus luteum in females and
testosterone production in males
Mastitis
Infection of the udder/teats
Marbling
Fat in muscle tissue
Magnum
Second section of the oviduct, in which the
albumen portion of the egg is added
Mare
female horse
Medullary Bone
Bone type unique to avian species;
found in the cortical bone; acts as a calcium source
for eggshell development
Metabolism
All biochemical reactions occurring in an
organism which result in a capacity for normal life,
function, and production
Metabolite
Substance produced as a result of
metabolism
Metritis
Inflammation of the uterus
Molt
Shedding and regrowth of feathers
Monogastric
Pertaining to animals with a simple
stomach; that is, not ruminants
Morbidity
Number or proportion of sick animals
Mortality
Number or proportion of animal deaths
Mule
Non-fertile offspring of a female horse and a
male donkey
Mulesing
Practice of cutting strips of skin in the
proximity of the anus of a sheep, which will deter
the growth of wool, preventing manure build-up and
the resulting fly attraction
Mutton
Meat from a sheep that is more than 1 year
in age
Neurohypophysis
Posterior pituitary; releases
oxytocin
Neutral Detergent Fibre
Components of a
feedstuff not solubilized by neutral detergent (i.e. –
hemicellulose, cellulose, lignin – mainly constituents
of plant cell walls)
Nitrogen-free extract
Result of proximate analysis
which indicates the proportion in a feed that is
digestible carbohydrates
Nutrient
Substance which provides nourishment in a
feed; carbohydrates, lipids, proteins, vitamins,
minerals
Nutraceutical
A nutraceutical is a product isolated or
purified from foods that is generally sold in
medicinal forms not usually associated with foods. A
nutraceutical is demonstrated to have a physiological
benefit or provide protection against chronic disease.
Source: http://www4.agr.gc.ca/AAFC-AAC/displayafficher.do?id=1171305207040&lang=eng
Offal
Trimmings of an animal carcass; often
considered without value as they are not consumed
by humans
Omasum
Third compartment in the ruminent
stomach, immediately prior to the abomasums;
reduces particle size and absorbs nutrients
Oocyte
Immature egg, not fertilized; made up of
maternal chromosomes and the species-specific
amount of yolk
Operant Conditioning
Learning to complete an
action in order to obtain a reward
Ovary
Female gamete-producing organ; responsible
for follicle production and secretion of sex hormones
Oogenesis
Formation, development, and maturation
of ova
Outbreeding
Production of offspring by parents that
are not related
Outcrossing
Production of offspring by parents that
are not related but are of the same breed
Oviduct
In avian species, the transport canal from
the ovary to the cloaca, in which the components of
the egg are added onto the yolk (follicle); in nonavian
species, the transport canal from the ovary to
the uterus
Ovine
Pertaining to sheep
Oviposition
Laying of a complete egg
Ovulation
Release of a follicle from its position on
the ovary into the oviduct
Ovum
Mature gamete of the female
Oxytocin
Hormone secreted by the posterior
pituitary that is responsible for milk letdown and
smooth muscle contractions during parturition
Pandemic
Disease which affects a large number of
people within a population or across a large
geographical area
Passive Immunity
‘Donation’ of temporary
immunity from a resistant animal to a susceptible
one by the administration of developed antibodies
Parathyroid hormone
Hormone secreted from the
parathyroid gland; allows calcium extraction from
bone when blood calcium levels are low
Parity
Litter of pigs; number denotes the number
and order of litters had by a sow
Parturition
Birth
Pathogenic Agent
Factor that has the ability to
cause disease under certain conditions
Pathogenicity
Ability of a pathogenic agent to
infiltrate, infect, and multiply to such a degree so as
to cause disease in an animal
Pea chick
Young peacock
Pea cock
Male peacock
Pea hen
Female peacock
Penis
Male reproductive organ; comprised of urethra
and vascularized erectile tissue which are both
responsible for transmitting sperm into the female
vagina
Peristalsis
Involuntary contractions of the smooth
muscles lining tube-like structures in an animal’s
body; for example, in the digestive and reproductive
tracts, serving to move fluids, digesta, etc., through
the tube
Persistency
Degree to which an animal can maintain
a production curve in the decreasing portion
(especially egg and milk production)
Pheromones
Chemicals released by an animal which
send signals to other animals of that species
Photoperiod
The timing in a one day period that
animals have hours of light and hours of dark
Photophase
The hours in a photoperiod that are
light
Photostimulation
The use of increased exposure to
light (day length) in order to stimulate puberty and
production
Pigeon Cock
Male Pigeon
Pigeon Hen
Female pigeon
Piglet
Young pig
Pipping
The process by which a chick penetrates the
air cell and shell at the commencement of hatching
Poikilothermic
Pertaining to animals whose body
temperature fluctuates, following the pattern of the
environmental air temperature
Polled
Types of cattle that genetically have no horns
Porcine
Pertaining to pigs
Poulard
Castrated female chicken
Poult
Newly-hatched turkey
Poultry
A domestic avian species
Pre-mix
Prepared mixture of micro-nutrients which
are added to the feed in order to ensure all nutrient
requirements are met in a diet
Prion
Infectious agents made of protein, often
occuring in the nervous system causing
Transmissible Spongioform Encephalopathies (TSE)
such as scrapies (sheep) and BSE (cattle).
Progesterone
Steroid hormone produced by the
corpus luteum (ovary); maintains pregnancy in
mammals and stimulates ovulation in avian species
Prolactin
Released by the anterior pituitary;
stimulates milk production after parturition
Prolapse
When an organ or body part has fallen
from its normal position; for example, vaginal
Prolapse
Prostaglandins
Hormone-like substances which
have an important role in physiological reactions
such as blood pressure, reaction to inflammation,
and smooth muscle contraction
Prostate Gland
Male reproductive accessory gland;
secretes alkaline fluid which is added to the semen
to aid in transport and survival in the vaginal
environment
Proventriculus
Avian equivalent of the true stomach
– that is, it secretes enzymes and acid for feed
breakdown; found between the crop and gizzard
Proximal
Anatomical descriptor; indicates the
location of something relatively close
Proximate Analysis
Procedures used to determine
the proportions of protein, lipid, dry matter, ash, and
nitrogen-free extract, from a substance
Pullet
Young female chicken under 1 year of age
Purine
Double-ringed nucleic acids; adenine and
guanine
Pyrimidine
Single-ringed nucleic acids; cytosine,
thymine, and uracil
Quota
Minimum or maximum amount of an
agricultural product that is required from a producer
Quiviet (Qiviut)
Woolly undercoat of a muskox
Radioimmunoassay
Method of quantifying very
small amounts of hormones or drugs by measuring
the binding (or inhibition of binding) of an antibody
attached to a radiolabelled substance
Ram
Intact male sheep
Ram Lamb
Immature male sheep
Ration
Amount of diet to be provided per unit of
time
Rectum
Last section of the large intestine prior to
the anus; serves as a storage for feces
Replacement Heifer
Young female bovine, from the
time she is selected to be bred to the time of first
calving and addition to the regular breeding herd
Resistance
Ability of an organism to resist infection
Roaster
Large broiler chicken which is meant to be
cooked whole
Reticulum
First section of the ruminant stomach;
involved in the movement of feed between the rumen, omasum, and esophagus, and in regurgitation of the bolus
Rooster/cock
Intact, mature male chicken
Roughage
Coarse feed, high in fibre
Rumen
Second and largest portion of the ruminant
stomach; the rumen houses populations of
anaerobic micro-organisms which are capable of
degrading complex carbohydrates in order to
synthsize nutrients for use by the animal
Ruminant
Animal with a stomach made up of four
compartments
Rumination
Refers to the processes whereby feed is
regurgitated from the rumen, chewed, and reswallowed
Satiety
Sensation of not requiring food; being
satisfied of food
Scours
Diarrhea in young animals, cause by bacterial
infection, changes to or an inappropriate diet, or
environmental factors
Selection Differential
Difference between animals
selected to be parents when pursuing the
improvement of a certain trait and the rest of the
flock/herd
Serum
Portion of any body fluid which remains after
the solid components have been removed
Sexing
Determining if an offspring is male or female
Shell Gland
Section of the oviduct prior to the
vagina; where the shell and shell pigments (if
present) are deposited
Silage
Feed preserved by fermentation
Single Desk Selling System
Producers sell product
to a single organization, rather than having a choose
a buyer from a market
Sire
Paternal parenting unit
Snood
Flesh which hangs over the beak on a turkey
Somatotropin
Secreted by the anterior pituitary;
stimulates growth
Sow
Female pig who has farrowed at least once
Spent Fowl
Reproductive chicken stock after the end
of one laying cycle
Spermatogenesis
Formation, development, and
maturation of sperm in the testis
Squab
Young Pigeon
Stag
Cockerel immediately prior to sexual maturity or an intact male deer
Stallion/Stud
An intact male horse
Starter
Ration for very young animals
Steer
Castrated male bovine
Stereotypy
Abnormal behaviour originating from a
frustrated natural behaviour
Stigma
Line of ovulation in the outer covering of a
follicle that is devoid of vascularization
Stomach
Section of the digestive tract between the
esophagus and small intestine; portion in which
chemical degradation occurs on ingested feeds;
animals with a single stomach compartment are
monogastric, animals with four compartments are
ruminants
Stress
Any factors which reduce an animal’s
resistance to disease, growth, or production
Eustress – Positive strees
Distress – Negative stress
Cumulative stress – Prolonged effects of stresses
Supply Management
Marketing system used to
regulate the supply of agricultural product to the
public, thereby maintaining a degree of stability in
price for the consumer and demand for the
producer. This system is administered through
quotas, either maximal or minimal, and applies
especially to milk and all poultry products.
Teaser
Ram used for stimulating ewes to enter heat,
or to detect ewes that are in heat; ram is usually
incapable of breeding to prevent accidental mating
Terminal Cross
Production of offspring which are all
intended for the commercial market, and not for
replacement/breeding
Testis (pl. testes)
Male gamete-producing organ;
responsible for the production of sperm and male
sex hormones. The majority of the testis is
comprised of seminiferous tubules, the site of sperm
production
Testosterone
Steroid hormone secreted by the
testis (one of a group of androgens – male sex
steroids); encourages sperm production, controls
accessory sex organs and secondary sex
characteristics
Three ‘R’s
Goals established with the intent of
improving the use of animals in research:
Reduction – of the number of animals used
Refinement – of research techniques
Replacement – of test animals with other methods
of research
Thyroid Stimulating Hormone
Released from the
anterior pituitary; regulates production of hormones
by the thyroid gland
Thyroxin (T4)
Hormone produced by the thyroid
gland; contains iodine; aids in regulating cell
metabolism
Tom
Male turkey
Trabecular Bone
Internal matrix of bone; primarily
for structural support
Triiodothyronine (T3)
Hormone produced by the
thyroid gland; contains iodine; effect is similar to
that of thyroxin, but is produced in smaller amounts
and has a briefer effect
True Digestibility
Digestibility of a feed when
accounting for endogenous materials in the feces
True Protein
Crude Protein minus non-protein nitrogen (amino acids, DNA, etc.)
Total Digestible Nutrients
Proportion of a ration that is utilizable by the animal
Utero-vaginal Junction
In avian species, the section where the shell gland joins the vagina; the site of the sperm storage tubules
Ungulate
Herbivorous, four-legged, hoofed animals
Vaccine
Injection of modified or live pathogens;
encourages antibody production or immunity when
the same pathogen is encountered by the animal
again
Vagina
In avian species, the section of the oviduct
immediately prior to the cloaca
Vas Deferens
Muscular tube of the male reproductive system which transports sperm from the vas deferens to the urethra at the time of ejaculation
Vector
Carrier of disease from an infected organism
to a non-infected organism
Vent
Opening of the cloaca, allowing reproductive
and digestive products to reach the outside of the
body
Ventral
Aspect away from the spine; ‘front’ of a
bipedal animal, the lower half of a quadruped
Vesicular Glands/Seminal Vesicles
Male reproductive accessory gland; adds an alkali
secretion which includes fructose to the sperm
Virulence
Degree to which an infectious organism is
able to cause disease
Viscera
Internal organs of an animal
Wattles
Flaps of flesh hanging from the bottom of
the beak in chickens and turkeys
Weaning
Decreasing the offspring’s dependence on
the dam for milk, until the offspring is capable of
consuming a diet entirely void of maternal mil
Wether
Castrated male sheep
Yearling
Calf or lamb between 1 and 2 years old
Zoonotic Disease
Disease capable of being transmitted from animals to humans
Zygote
Diploid cell formed upon syngamy of male and female gametes