Beef Flashcards

(43 cards)

1
Q

Target weights?

A

Weaning - 220kg
1st housing - 250-280kg
2nd housing - 490 kg
Slaughter - 620 kg live weight

Carcass:
Heifer - 280kg
Bullocks- 300 kg

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2
Q

Feed protein compositions?

A

Calves - 18% CP
Finishers - 16% CP

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3
Q

Profits per kg

A

roughly €5 per kg

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4
Q

What is the bonus for having hereford or angus?

A

20 c & 20c more for bord bia quality assurance

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5
Q

What is the fat content of beef?

A

3-5%

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6
Q

Which of these countries is Ireland not a main exporter to?

A

Norway

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7
Q

What is the value of the beef industry in ireland?

A

2.43billion

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8
Q

What is the avg. carcass weight in Ireland?

A

330kg

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9
Q

Which of the following helps papillae development in the rumen?

A

Butyrate

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10
Q

What is the BCS for a spring calving suckler cow at:

A
  • Mid Pregnancy = 3.0
  • Mating = >2
  • Calving = 2.5
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11
Q

Desired calcving interval = 365, What is Irelands calving interval?

A

403

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12
Q

Desired age at calving = 24months, what is Irelands avg. age at calving?

A

32.5 months

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13
Q

What order does fat lay down in?

A

1.) Kindey Channel
2.) Intramuscular
3.) Subduct
4.)Intramuscular

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14
Q

In Dairy calf to beef ration what are the % fibre & % crude oil content?

A

Fibre = 10%
Crude oil = <4%

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15
Q

What % is the cost of feeding a cow in calf to beef vs calf to weaning?

A
  • Beef = 50%
  • Weaning = 85%
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16
Q

Which of the following protozoa is a major cause of diarrhoea in calves?

A

Cryptosporidium

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17
Q

What % does Asia contribute to world beef trade?

A

35%

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18
Q

Friesian calf - Avg. Daily gain + Weight at 12 wks

A

0.7 kg/day + 100 kg

19
Q

What has the biggest effect on tenderness of beef?

A

Post Slaughter Management

20
Q

What chemical in grass causes yellowness in beef fat?

21
Q

What is the major influence on molecular/follicular growth ?

A

LH pulse frequency

22
Q

When does feeding/nutrition have the largest effect on PPI (Post-partum interval)?

A

Pre-partum feeding ( before calving)

23
Q

How has Brazil Increased their production?

A

Due to increased use of genetics through crossbreeding programmes.

24
Q

What growth is expected for a calf ad libitum from birth to slaughter?

25
Crossbred vs purebred % gain from hybrid vigour?
13% higher weight at weaning
26
What is the economic value of milk as a % in the Eurostar System?
35%
27
What is the Cost/Price difference between a U+ & an R+?
6c/kg
28
Fill in whats missing: Stocking Rate x ________ = Total Output/ha
Stocking Rate x Output/Lu = Total Output/ha
29
What % of cows are continental crossbred?
>70%
30
Which of the following is not a major factor why AI is not used in beef?
Lower conception rates
31
What is the % of AI used in beef?
18%
32
What % of total beef world exports come from Brazil?
32%
33
Brazils beef industry:
- Worlds largest exporter - 2nd largest producer - 3rd biggest consumer
34
Who is the largest producer & consumer of beef in the world?
The US
35
Why is it difficult to export from Brazil?
Farm safety, Traceability
36
What gives Brazil such a unique competitive position?
Vast land areas, plenty of water
37
what is 1 livestock unit in Brazil (AU)?
1 450kg animal
38
What is the Average stocking rate in Brazil, potential stocking rate?
1 AU/ha, 22AU/ha
39
Turnout to weaning growth rate for spring born male suckler?
1.2kg/day
40
Suckler weight at weaning?
Male= 300-320kg Female= 300kg
41
Target suckler growth rate over winter?
0.5-0.7kg/day
42
Suckler target weight at March turn out?
Male - 390 kg Female - 375 kg
43