Animal production

Question 1

What is the daily live weight gain of a broiler chick?

Answer 1

20g

Question 2

What is the daily live weight gain of an adult broiler?

Answer 2

50-70g

Question 3

What is the minimum feed conversion ratio that chicken farmers look for in broilers?

Answer 3

2:1

Question 4

What is the optimal feed conversion rate for chicken farms?

Answer 4

1.5:1

Question 5

How much light do broilers get each day and why?

Answer 5

15 mins so that if there is a power cut they wont get scared

Question 6

What are 4 factors affecting broiler growth?

Answer 6

Light

Nutrition

Temperature

Welfare

Question 7

what is the average weight of a pig in the UK market?

Answer 7

85-100Kgs

Question 8

How does the winter sheering of ewes affect lambs?

Answer 8

Improves the lamb size

Question 9

2 factors that could stop the death of freshly born lambs:

Answer 9

Adequate feed intake

Lambing later in the year so its not as cold

Question 10

3 reasons why the UK dairy industry has changed:

Answer 10

1) Changed from lots of small farms to less large farms
2) Higher yielding cows due to genetics
3) Milk consumption has gone down

Question 11

What is the ideal EC carcass grade for a beef carcass?

Answer 11

R4L

Question 12

Which EC carcass grade would yield the highest proportion of saleable meat?

Answer 12

U+2

Question 13

What percentage of body weight would an average finishing beef animal consume in DM per day?

Answer 13

2.5%

Question 14

What beef diet would result in the greatest level of fat in the carcass?

Answer 14

Grass silage with no supplementation

Question 15

How much ME is released in a suckler cow with loss of 1.0 unit of condition score?

Answer 15

3200 MJ

Question 16

What is the optimum body condition score for a lowland ewe at mating time?

Answer 16

3.0-3.5

Question 17

What is the approximate slaughter weight of a finished lamb?

Answer 17

50% of mature weight

Question 18

What effect will winter shearing have on housed pregnant ewes?

Answer 18

Increased lamb birth weights

Question 19

In dairy cows what result would low effective fibre intake have? (3 points)

Answer 19

Abnormal manure
Excessive intake
Variable intake

Question 20

When will a lactating dairy cow reach peak production?

Answer 20

4 weeks before peak feed intake is acheived

Question 21

What is most likely to cause milk fever?

Answer 21

Increasing grass silage intake

Question 22

What percentage of sows hold to first service?

Answer 22

80%

Question 23

What is the main cause of mortality in pre-weaned piglets?

Answer 23

hypothermia/starvation

Question 24

What is the earliest age a piglet can be weaned?

Answer 24

4 weeks

Question 25

What effect does increasing day length have on domestic fowl?

Answer 25

Increased ovulation

Question 26

What is the accepted level of mortality in a commercial broiler flock?

Answer 26

4%

Question 27

2 concentrate supplements fed to dairy cows

Answer 27

Energy supplements | Protein supplements

Question 28

When is the Transition Period of dairy cows?

Answer 28

3 weeks before calving to 3 weeks after calving

Question 29

What events happen during the Transition Period?

Answer 29

High susceptibility to metabolic disorders (milk fever) Intake starts to drop Hormonal changes

Question 30

Symptoms of Hypocalcaemia (milk fever) (4)

Answer 30

Difficult calvings Mastitis Reduced feed intake Ketosis (elevated Ketone levels)

Question 31

What is the ideal light intensity for broiler chickens?

Answer 31

10-15 lux

Question 32

What effect does increased photoperiod have on chickens?

Answer 32

Reduced leg abnormalities | Reduced sudden death

Question 33

Intermittent lighting programmes can (2)

Answer 33

Improve feed efficiency | Give savings on electrical usage

Question 34

Ahemeral lighting cycles produce

Answer 34

larger eggs but fewer of them

Question 35

What is photorefractoriness?

Answer 35

The point at which a flock no longer reacts to increased day length

Question 36

Killing Out (KO) % =

Answer 36

(Carcass weight/Liveweight) x 100

Question 37

What is the optimum Killing Out % for pigs?

Answer 37

72-80%

Question 38

What is the optimum Killing Out % for beef?

Answer 38

55%

Question 39

Best ways to improve sow productivity (4)

Answer 39

Increase number of piglets born alive Reduce pre-weaning mortality Reduce returns to service Reduce delays to culling

Question 40

What is the ambient temperature requirement for a newborn litter of piglets?

Answer 40

24-34 degrees

Question 41

Lean growth in finishing pigs is affected by (4)

Answer 41

Genotype and gender Stage of growth Energy intake Dietary protein content

Question 42

What is the optimum Killing Out % for sheep?

Answer 42

50%

Question 43

What is the approximate slaughter weight of beef?

Answer 43

60-70%

Question 44

How do you control parasitic worms in grassland for turned out calves? (3)

Answer 44

Graze it with sheep in previous season Use it for conservation in previous season Dosing with anthelmintics