Beef Flashcards
Target weights?
Weaning - 220kg
1st housing - 250-280kg
2nd housing - 490 kg
Slaughter - 620 kg live weight
Carcass:
Heifer - 280kg
Bullocks- 300 kg
Feed protein compositions?
Calves - 18% CP
Finishers - 16% CP
Profits per kg
roughly €5 per kg
What is the bonus for having hereford or angus?
20 c & 20c more for bord bia quality assurance
What is the fat content of beef?
3-5%
Which of these countries is Ireland not a main exporter to?
Norway
What is the value of the beef industry in ireland?
2.43billion
What is the avg. carcass weight in Ireland?
330kg
Which of the following helps papillae development in the rumen?
Butyrate
What is the BCS for a spring calving suckler cow at:
- Mid Pregnancy = 3.0
- Mating = >2
- Calving = 2.5
Desired calcving interval = 365, What is Irelands calving interval?
403
Desired age at calving = 24months, what is Irelands avg. age at calving?
32.5 months
What order does fat lay down in?
1.) Kindey Channel
2.) Intramuscular
3.) Subduct
4.)Intramuscular
In Dairy calf to beef ration what are the % fibre & % crude oil content?
Fibre = 10%
Crude oil = <4%
What % is the cost of feeding a cow in calf to beef vs calf to weaning?
- Beef = 50%
- Weaning = 85%
Which of the following protozoa is a major cause of diarrhoea in calves?
Cryptosporidium
What % does Asia contribute to world beef trade?
35%
Friesian calf - Avg. Daily gain + Weight at 12 wks
0.7 kg/day + 100 kg
What has the biggest effect on tenderness of beef?
Post Slaughter Management
What chemical in grass causes yellowness in beef fat?
Keratin
What is the major influence on molecular/follicular growth ?
LH pulse frequency
When does feeding/nutrition have the largest effect on PPI (Post-partum interval)?
Pre-partum feeding ( before calving)
How has Brazil Increased their production?
Due to increased use of genetics through crossbreeding programmes.
What growth is expected for a calf ad libitum from birth to slaughter?
1.2kg
Crossbred vs purebred % gain from hybrid vigour?
13% higher weight at weaning
What is the economic value of milk as a % in the Eurostar System?
35%
What is the Cost/Price difference between a U+ & an R+?
6c/kg
Fill in whats missing:
Stocking Rate x ________ = Total Output/ha
Stocking Rate x Output/Lu = Total Output/ha
What % of cows are continental crossbred?
> 70%
Which of the following is not a major factor why AI is not used in beef?
Lower conception rates
What is the % of AI used in beef?
18%
What % of total beef world exports come from Brazil?
32%
Brazils beef industry:
- Worlds largest exporter
- 2nd largest producer
- 3rd biggest consumer
Who is the largest producer & consumer of beef in the world?
The US
Why is it difficult to export from Brazil?
Farm safety, Traceability
What gives Brazil such a unique competitive position?
Vast land areas, plenty of water
what is 1 livestock unit in Brazil (AU)?
1 450kg animal
What is the Average stocking rate in Brazil, potential stocking rate?
1 AU/ha, 22AU/ha
Turnout to weaning growth rate for spring born male suckler?
1.2kg/day
Suckler weight at weaning?
Male= 300-320kg
Female= 300kg
Target suckler growth rate over winter?
0.5-0.7kg/day
Suckler target weight at March turn out?
Male - 390 kg
Female - 375 kg
