Beef Industry Flashcards

1
Q

what are the different sectors in the beef industry

A

pedegree breedng
beef suckler herd
young stock rearing units
fattening units

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2
Q

what is Estimated Breeding Values?

A

shows how much better or worst an animal is compared to the average

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3
Q

what is the max EBV?
what is the average?

A

max: 130
mean: 100

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4
Q

how do you calculate the EBV?

A

EBV of Sire + EBV of Dam

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5
Q

what is the diet of spring calves and autumn calves?

A

spring: grass
autumn: conserved forages

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6
Q

how much weight do spring and autumn calves loose in winter?

A

spring: 0.5Kg/ day
autum: 0.25Kg/day

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7
Q

what should growing beef animals eat most of?

A

grass silage - should have lots of proteins for growing bones/ muscles

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8
Q

what should finishing beef eat most of?

A

maize silage - for fattening

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9
Q

what is the target % baron cows?

A

5%

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10
Q

when do you aim to slaughter?

A

under 30 months

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11
Q

what are the main feeding phases in beef cattle?

A

35 days background - transport stress recovery
35 day transition
60 day growth
60 day finishing

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12
Q

what causes yellow pigment in meat?

A

carotenoid in green forage

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13
Q

what causes whiter fat

A

cereal diet?

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14
Q

which type of meat has a longer shelf life?

A

grass fed has more antioxidants so has a longer shelf life.

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15
Q

how is carcase graded?

A

SEUROP

superior
excellent
very good
good
fair
poor

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16
Q

how is fat graded?

A

1-5
3/4 is good

17
Q

how is carcase cleanliness assessed?

A

clean + dry
slighlty dirty
dirty
very dirty
filthy + wet

18
Q

what are visible injection sites called?

A

injection Knots

19
Q

what is an infected injection site?

A

Abscess

20
Q

where are subcutaneous injections given?

A

under neck and ribs (not prime beef)

21
Q

where are intramuscular injections given?

A

over hip
osus
quadriceps
middle third (avoiding cervical vertebrae)

22
Q

what do you vaccinate against?

A

Colostridial diseases (bacteria that pass through soil)
BVD
Leptospirosis
IBR

23
Q

what are the benefits of castration

A

easier to handle
better growth rate
better feed conversion
better carcass quality

24
Q

how old for rubber ring castration?

A

under 1 week

25
Q

what is the device used for rubber ring castrator?

A

elastrator/ burdizzo

26
Q

how would you castrate an older calf?

A

using an emasculator to crush the spermatic cord

27
Q

how would you disbud a calf under 1 week old

A

chemical cauterisation (inject paste to stop horn from growing)

28
Q

what is the oldest the calf can be for disbudding, and how?

A

2 months (use anaesthetic)
use a hot iron

29
Q

what occurs in a young stock rearing unit

A

calves come from the dairy sector
and raise until ready to get sent to fattening

30
Q

what occurs in a fattening unit?

A

take herds from suckler and rearing units and fatten them up for slaughter
background 35 day
transition 35 day
growing 60 day
finishing 60 day

31
Q

what is the purpose of beef suckler herd

A

breed calves for slaughter or breeding
weaned at 5 to 9 months