Module 5/6 Flashcards
Extensive Livestock production
-minimized inputs
-non confined
-minimal handling
Intensive Livestock production
-Significant inputs (buildings/equipment)
-Confinement
-Nutrient dense diets
What % of the world’s ag land is not suitable for crops
65%
Sectors of Canadian Beef Production
-Cow calf production
-backgrounding/stocker
-feedlot/finishing
-packing
-retail
Cow calf production
Birth- 5 months
pasture and rangeland
Backgrounding/stocker
5-8/9 months
Forage/pasture diet
Feedlot/Finishing
Intensive production
Concentrated diets
Packing
Primarily feedlot with some pasture
intensive
Retail
Consumer focus
dictates beef industry
Cow
Mature female over 3 yrs
Heifer
Young female less than 3 yrs
Bull
Sexually mature uncastrated male
Steer
Castrated male
Calf
Birth to 5 months of age
Canadian Beef cow population
Saskatchewan population
3.56 million
1.06 million
Breeding length
42 d
Pregnant and lactating length
123 d
Dry and pregnant length
160 d
Post Partum interval length
40 d
British beef breeds and size
Angus
hereford
medium frame
Continental beef breeds and size
Charolais
Simmental
Limousin
Large frame
Hybrid Vigor
performance in offspring greater than genetic potential of parents performance
Factors to choose breed
Climate
feed supply
market demand
personal preference
Beef production is an ____ market
open
Sow
mature female pig
Gilt
immature female pig before 2nd pregnancy
Boar
Mature male pig
Barrow
castrated male pig
Piglet
neonatal pig before weaning
farrowing
sow giving birth to piglets
What percent of canadian pigs are produced in sask
8.5%
Canada produces ___% of worlds pork
less than 2%
Trend in pork production industry
less farms, more pigs/farm
Swine breeding method
almost all AI
Swine gestation
3 months 3 weeks 3 days
sows wear electronic ear tags to provide
daily feed allowance
Average size of swine litter
15 piglets
Early piglet immunity
very low
need colostrum in first 6 hours
How many teats does a sow have
usually 12
Swine weaning age and practices
21 d
abruptly moved to nursery.
Grow-finish age
starts at 5 w
housed in large groups
ready for market at 15 weeks
Canada is #__ for dairy production worldwide
20
Most common dairy breed in canada
Holstein
In _-__% there is insufficient calcium causing…
3-10%
Muscle tremors
staggering
lying flat on sides
heart failure
death
Colostrum gives ______ immunity
passive
Dairy pregnancy length
283 d
Dairy lactation length
305 d
quota
licence to produce product
quota limits
national marketing agency determines production amounts for each province
Supply management guarantees ___________ prices
minimum
Supply management _____________ tariffs
increases
Criticisms of quota
makes product expensive
causes trade issues
barrier of entry to young farmers
Beef cattle have __ stomach compartments. the largest is the _____
4
rumen
how many countries does canada export beef to
70
Specialized canadian beef industry climate
cold dry winter
warm summer
Beef cattle weaning age
5/6 months
Target average daily gain
1.5-2 lbs/d
What nutrients are beef producers concerned with?
energy
protein
mineral
vitamin
water
CCIA factors
animal identification
premise identification
animal movement
Cattle breeds variation
carcass quality
behaviour
frame size
feed efficiency
beef calf sale options
auction mart
internet/video sales
forward contract
feedlot
Broiler
meat chicken
Layer
egg chicken
rooster
male chicken
tom
male turkey
hen
female turkey/chicken
Why is chicken the largest consumed meat worldwide?
less expensive
healthier than red meat
less religious affiliation
_____ is the only country in the world that uses supply management for poultry
Canada
When was poultry supply management implemented in Can
1972
Requirements of supply management
production quota
being a producer
import control
pricing mechanisms
Advantages of supply management
steady income
steady supply
better welfare
disadvantages of supply management
product is pricier for consumers
producers must buy quota to start in the industry
are breeds regulated in Canada?
yes
Avian Influenza
viral infection impacting wild and domestic birds
wild can be carriers
can wipe out flocks
Broiler enclosed barn features
lighting systems
ventilation system
feeding system and scales
watering system
extensive management
Hatchery requirements
technical requirements
optimum temp maintenance
incubators
hatchers
ventillation
isolation
what is a poultry grow out farm
feedlot for chickens
large open rooms
control feed and environment
Poultry age when ready for market
~35 d
how are birds transported to processing
modular crates
turn around time of poultry
~8 weeks
Chicken feed conversion ratio
1.5 kg feed to 1.0 kg weight gain
Onset of lay age
~19 weeks
when is maximum rate of lay reached. when is it too low that the birds are retired
32-35 weeks (95%)
72 weeks (65%)
average egg production
296 eggs / year
by ____ traditional cage system is no longer legal
2032
Advantages of traditional cages
reduced agression and canabalism
fewer injuries
Disadvantages of traditional cages
restricting movement
reduce enrichment
7 market cuts of pork
ribs
belly(bacon)
butt
loin
picnic
ham
carcass
__% of Canadas pork is exported
70%
CPE (canadian pork excellence) programs
PigSAFE food safety assurance
PigCARE animal care assurance
PigTRACE national swine traceability
5 pig breeds and what their good for
Yorkshire- good breeding and FCR
landrace- Good mother, lean carcass
duroc- feed efficient and good carcass
hampshire- NOT USED ANYMORE pale soft drippy pork
lacombe- NOT USED ANYMORE fattier
Suckling piglet birth weight and suckling length
~1kg
17-27 d
Right and left ear notching significance
right=litter #
left= piglet #
Why are tails docked in swine
prevent tail biting
Why castrate in swine
prevent boar taint
smell that only asian and women can taste (foul)
__% of pigs born go to market
95%
Swine market weight goal
120-130kg
Pig production cycle
Breeding,farrowing,weaning, nursery,grow-finish,market(5-6months)
(can go to replacements after weaning)
Batch farrowing
sows carried through mating and farrowing at the same time
Continuous farrowing
constant breeding/farrowing based on individuals cycles
Open herd
animals coming and going
Closed herd
no animals coming in
Nucleus herd
closed herd
grandparent herd
Swine health is preserved through…
isolation
sanitation
traffic control
herd health management
program maintenance
what makes aquaculture nutrition unique
Diverse omega 3 fatty acids, bioavailable micronutrients (very digestible)
In 2020 capture fisheries were __% and aquaculture was __% of global aquatic production
Capture 51%
Aquaculture 49%
Non food uses of aquaculture
Pet food
Supplements
Fish food
Aquatic protein makes up __% of animal protein and _% of overall protein
17%
7%
Aquacultures role in food production has grown from _% in 1960s to __% in 2010
6% 50%
Considerations when talking about weight of aquaculture produced
Inedible vs edible portions
Quality effectively eaten vs food available to be consumed
Classifications of fish
Shellfish (Crustacean (shrimp), Mollusk (Bivalve (clam), Univalve (snail), Cephalopod (squid)))
Finish (fresh/salt water (lean/fatty))
How does algae play into the aquaculture food chain
Provides sustainable food source
Who regulates aquaculture in Canada
Department of fisheries and oceans (DFO)
What is Canadas highest aquaculture volume by species?
Salmon
Types of aqua-culturing (6)
Freshwater net pen
Land based system
Bottom culture in intertidal zones
Long line
Net pen
Bottom culture in subtitle zones
Sask aquaculture input
Trout producer
More impact when it comes to grain industry and feeding the fish
Correlation between extensive/intensive aquaculture and its environmental impact
Intensive high extensive low
Environmental considerations of aquaculture (6)
Reliance on fish to feed fish
Drugs/chemicals can impact natural species
Escaped fish can breed with natural fish
Fish waste and extra food pollute natural environment
Predators can become entangled in nets
Parasites and disease are more common due to crowding (can spread to natural species)
What do farms use to reduce water needed for land based systems
RAW (Recirculation aquatic water system)
What is integrated multi-trophic aquaculture
Combines different species on the food web
Dual purpose milking and beef breed
Milking shorthorn
what makes jersey milk special
high butterfat and protein content
who controls milk quota in sask
saskmilk
2 major dairy provinces
ontario and quebec
How many days is a dairy cow in milk
305-320
First lactation milk/day
28kg/d
second lactation milk/day
33kg/d
forth lactation milk/day
40kg/d
average age for culling dairy cows
4-5 yrs
reasons for culling dairy cattle
biological (disease, infertility)
economic (low milk)
why are most dairy cows culled?
infertility
average dairy culling rate
32%
When does peak lactation happen
60-90 d after calving
the udder has _ mammary glands that operate ______
4
independently
Milk secreting cells
alveolus
Milking systems (3)
parlour
tie stall
robotic
Milking principles
consistency
stress free
cleanliness
Hormone that controls milk let down
oxytocin
milk composition
85% water
3% fat
3.5% protein
4.5% lactose
0.7% minerals
2 factors that impact dairy profitability
production level
composition of milk
Factors affecting milk yield (5)
genetics
feed/water intake/quality
environment
disease
age/size of cow
Most common feed method in dairy
Total mixed ration
(blend of all diet nutrients)
Closest living wild relative of dogs
gray wolf
dogs domestication date
20000 yrs ago
How did dogs begin to be domesticated
adopted wolf puppies
became useful hunting partners
may have observed wolves hunting and adopted practices
dog breed groups (4)
ancient
herding
other
giant (molossus)
Why were cats domesticated?
just kinda chose to be around humans and were not harming humans so they stuck around
where were cats domesticated
fertile crescent
where were cats taken inside the home
ancient eqypt
what is special about blotched tabby cats
recessive mutation
does not occur in wild
Psychological benefits of pets
companionship (reduce anxiety, depression, and loneliness)
indirect social interaction (pet parents becoming friends)
_____ equus evolved in north america but dissapeared _________ to go to eurasia
1 million years ago
11000 years ago
Original interaction with horses
hunting for food
when were horses starting to be raised in captivity
5500-6000 years ago
what did horses need to be domesticated and what was the human benefit
need to be: calm, submissive, people friendly
Used for: meat, milk
Benefits of using horses
increased mobility and hauling capability
dispersal of culture, goods, and technology
Y chromosome trends in horses
shows little variation
Colour impacts on horses
easier to hunt
some disease/mutation affects
Targets of hourse domestication
learning ability
social behaviour
muscle and limb development
breed effects
decrease genetic diversity
increase inbreeding
increase genetic load
Selective breeding adverse affects
small size–> dwarfism
heavily muscle–> hyperkalemic periodic paralysis
speed–> fragility