This question was well attempted by the candidates. In 7(a) (i-iv), majority of the candidates could explain dipping, culling and quarantine as used in animal production; but could not explain the term dry cow.
In 7(b), most of the candidates were unable to describe the life cycle of roundworm (Ascaris lumbricoides).
However, in 7(c), majority of the candidates could list methods of identifying farm animals.
The expected answers include:
This is a cow which has stopped lactating due to old age.
Life cycle of roundworm (Ascaris lumbricoides)