ANSC - Exam 1 - General terms Flashcards
A.I
Artificial Insemination
Ad libitum
allowing animals to eat all they want at all times
Anestrous Period
non-breeding season
The time when a female is not cycling. She is not experiencing estrus and thereby will not breed
artificial insemination
great method of enhancing genetics
bovine
cattle
Bovine (Cattle)
Male of Breeding Age - Bull Mature Female - Cow Immature Female - Heifer Newborn - Calf Unsexed Male - Steer Groups - Herd Genus - Bos Act of Parturition - Calving
bovine act of partruition
calving
bovine genus
bos
bovine group
herd
bovine male of breeding age
bull: masculine appearance, broader chest
bovine mature female
cow: has had a calf, more feminine appearance
bovine newborn
calf
bovine unsexed male (w/out testes)
steer, a castrated bull
bovine young female
heifer
breed
animals having a common origin and characteristics that distinguish them from other groups within the same species
calorie
the amount of heat required to raise the temperature of one gram of water by one degree Celsius
(for example from 15 degrees Celsius to 16 degrees Celsius)
Caprine (Goats)
Male of breeding age - Billy Mature female -Doe Young male - Billy Kid Young female - Doe Kid Newborn - Kid Unsexed male - Wether Groups - Band Genus - Capra Act of Parturition - Kidding
caprine act of parturition
kidding
caprine female of breeding age
doe
caprine genus
capra
caprine group
band
caprine male of breeding age
billy
caprine newborn
kid
caprine unsexed male
wether
caprine young female
doe kid
caprine young male
billy kid
carcass merit
the value of a carcass for consumption, changes with season
castration
removal of the testicles, lots of diff methods
clone
an individual grown from a single somatic cell of its parent and genetically identical to it (still a bit expensive)
colostrum
the first milk given by the female following delivery of her young, it contains high levels of antibodies which are absorbed by the young for quick immunity
compensatory growth
increased growth rate in response to previous undernourishment, allows for animals to have really great feed at their level
concentrate
a feed that is high in energy, low in fiber content, and highly digestible, have to be fed at appropriate levels
contemporary group
a set of animals of the same sex and breed that have been raised under similar environmental and management conditions
cull
to eliminate from the breeding population.
Might need to do because a female doesn’t reproduce. Producers must cull efficiently
dark cutter
color of the lean in the carcass, has a dark appearance usually caused by stress to the animal prior to slaughter
challenge: from a marketing standpoint, the expectation is a bright cherry red
DHIA
dairy herd improvement association
Dry
Refers to a non-lactating female (mare, cow, ewe, sow)
Dystocia
Difficult birth
Equine (Horses)
Male of Breeding - Stallion Mature Female - Mare Young Male - Colt Young Female - Filly Newborn - Foal Unsexed Male - Gelding Groups - Herd Genus - Equus Act of Parturition - Foaling
equine act of parturition
foaling
equine female of breeding age
mare
equine genus
equus
equine group
herd
equine male of breeding age
stallion
equine newborn
foal
equine unsexed male (w/out testes)
gelding (castrated stallion)
equine young female
filly
equine young male
colt
Estrous
An adjective meaning “heat” that modifies such words as “cycle.” Estrous cycle is the heat cycle, or time from one heat period to the next.
estrus (or heat)
the period of mating activity in the female
Estrus Synchronization
Controlling the estrous cycle so that a high percentage of the females in the herd express estrus at the same time
factors that affect dystocia
nutrition
Feeder
Animals which need further feeding prior to slaughter
Female Bovine (Cow Vs. Heifer)
Cow is a mature female who has had a calf. Heifer is immature female who has not yet calved (given birth to a calf).
Female Porcine (Sow Vs. Gilt)
Sow is a mature female that has had a liter; Gilt is an immature female that has not yet farrowed (given birth to a litter of pigs)
Fertility
The capacity to initiate, sustain, and and support reproduction
Fill
The contents of the digestive tract
Gallus (Chicken)
Male of breeding age - Rooster Mature female - Hen Young Male - Chick Young female - Chick Unsexed male - Capon Groups - Flock Genus - Gallus Act of Mating - Mating
gallus act of mating
mating
gallus genus
gallus
gallus group
flock
gallus male of breeding age
rooster
gallus mature female
hen
gallus newborn
chick
gallus unsexed male
capon
gallus young female/male
chick
Gestation in days:
Bovine (cattle)
283
Gestation in days:
Caprine (goat)
147
Gestation in days:
Ovine (sheep)
147
Gestation in days:
Porcine (pigs)
113
Gestation in days:
Equine (horses)
340
Gestation period
term of pregnancy
Haploid
Half the number of chromosomes. Found in the sperm or ova.
Identification Systems
Branding, ear tagging, ear notching, tattoo, microchip, retinal scanning
Immature Equine (Filly Vs. Colt)
Filly is female horse not yet of breeding age; Colt is male horse not yet of breeding age
kilocarlorie
Equivalent to 1,000 calories
lactation period
period the female produces milk
libido
sex drive of the male
Male Bovine (Bull Vs. Steer)
Steer is a castrated bull
Male Equine (Stallion Vs. Gelding)
Gelding is castrated stallion
Male Goat (Billy Vs. Wether)
Wether is a castrated billy
Male Porcine (Boar Vs. Barrow)
Barrow is a castrated boar.
Male Sheep (Ram Vs. Wether)
Wether is a castrated ram
Mature Bovine (Bull Vs. Cow)
Male of breeding age is a bull. Female of breeding age who has had a calf is a cow.
Mature Equine (Stallion Vs. Mare)
Male of breeding age is stallion; Female of breeding age is mare
Mature Goat (Billy Vs. Doe)
Male of breeding age is a billy; Female of breeding age is a doe
Mature Porcine (Boar Vs. Sow)
Male of breeding age is a boar; Female of breeding age who has had a liter is a sow.
Mature Sheep (Ram Vs. Ewe)
Male of breeding age is a ram; Female of breeding age is ewe
Newborn Bovine - Calf
Immature cattle; typically proceeded by sex identifier (Bull calf or heifer calf)
Newborn Equine (Foal)
Foaling is process of delivery of a newborn equine (foal)
Newborn Goat (Kid)
Immature goat, typically proceeded by sex identifier (Billy kid or Doe kid)
Newborn Porcine (Pig)
Group of newborn pigs to a single sow is called a litter.
Newborn Sheep (Lamb)
Lamb is an immature sheep; typically proceeded by sex identifier (Ram lamb or Ewe lamb)
Open
Refers to non-pregnant females
Ovine (Sheep)
Male of breeding age - Ram Mature female - Ewe Young male - Ram lamb Young female - Ewe lamb Newborn - Lamb Unsexed male - Wether Groups - Flock Genus - Ovis Act of Mating - Tupping Act of Parturition - Lambing
ovine act of mating
tupping
ovine act of parturition
lambing
ovine genus
ovis
ovine group
flock
ovine male of breeding age
ram
ovine mature female
ewe
ovine newborn
lamb
ovine unsexed male
wether
ovine young female
ewe lamb
ovine young male
ram lamb
Porcine (Swine)
Male of breeding age - Boar Mature female - Sow Young female - Gilt Newborn - Pig Unsexed male - Barrow Groups - Drove Genus - Sus Act of parturition - Farrowing
porcine act of parturition
farrowing
porcine genus
sus
porcine group
drove
porcine male of breeding age
boar
porcine mature female
sow (has had a litter, mammary system is well developed)
porcine newborn
pig
porcine unsexed male
barrow (castrated boar)
porcine young female
gilt (still has mammary system)
Records that should be kept (beef)
Birth date, sire, dam, birth weight, weaning weight, gain test weight, yearling weight, yearling scrotal measurement
roughage
a feed that is low in energy, high in fiber content, and low in digestible contents. examples: hay, straw, silage, pasture
Scurs
Small horn-like tissue attached to the skin of polled or de-horned animals
Spaying
The removal of the ovaries from the female reproductive tract (most often done in cats and dogs)
swine are considered
litter bearing
TDN (Total Digestible N utrients)
Includes the total amounts of digestible protein, nitrogen-free extract, fiber, and fat (multiplied by 2.25) all added together. Approximates energy content.
Weaning
Separating an offspring animal from its dam (mother)