Beef Flashcards
(43 cards)
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