The following are examples of natural mating methods except
A
pen mating
B
flock mating
C
hand mating
D
block mating
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42
The milk collection vessel of the mammary gland is the
A
alveolus
B
gland cistern
C
teat
D
streak canal
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43
Fertile eggs will be produced by breeders if the
A
laying units are illuminated
B
cocks are always kept with the hens
C
hens are not allowed to brood
D
eggs collected are kept at the correct temperature
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44
The rabbit is able to utilize forage because
A
it has an enlarged caecum that digests fibre
B
the small intestine is rich in microbes
C
the mouth has large molars for grinding
D
the length of the gut is relatively short
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45
If feed efficiency for egg production is defined as feed consumed per 10 eggs, what will be the feed efficiency for a layer that laid 230 eggs and consumed 26kg feed?
A
0.88
B
1.13
C
1.76
D
2.23
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46
When birds are fed on a ratio deficient in riboflavin,which of the following symptoms will they show?
A
night blindness
B
cataract
C
curled-toe paralysis
D
scurvy
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47
Livestock are said to feed on the range when they eat
A
fresh herbage at the milking parlour
B
fresh herbage directly from the pasture
C
harvested herbage in a stall
D
preserved herbage in the form of silage
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48
Which of the following practices is not a method of improving rangeland?
A
rotational grazing
B
reseeding of depleted forage species
C
removal of weeds
D
use of inorganic fertilizers
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49
Liverfluke infestation causes disturbance in lipid digestion because it
A
blocks the passage of fat to intestine
B
blocks the bile duct and reduces secretion of bile
C
destroys the lipase enzyme
D
prevents fat excretion
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50
A farmer noticed that one of his cows has high fever, blood-stained diarrhoea and often grinds its teeth. This shows that the cow is infected by
