Methods of rangeland improvement which ensure continuous herbage growth during the dry season are

A. re-seeding and pest control

B. controlled stocking and disease control

C. rotational grazing and weed control

D. fertilizer application and irrigation

Which of the following is not an objective of pasture management? To obtain

A. the lowest possible dry matter yield of pasture

B. the most palatable mixture of pasture crops

C. high leaf-stem ratio

D. the best possible nutritive value of pasture

The intermediate host of liverfluke is

A. fish

B. snail

C. tick

D. man

Which of the following parasites of livestock is an hermaphrodite?

A. tse-tse fly

B. flea

C. tick

D. liverfluke

A disease that causes abortion in cattle at the later stage of pregnancy is

A. milk fever

B. pneumonia

C. brucallosis

D. foot and mouth disease

The deficiency symptom peculiar to vitamin B in livestock is

A. night blindness

B. sterility

C. loss of appetite and weight

D. delay in blood clotting

Detailed survey for the site of a fish pond is necessary for the following except

A. location and depth of the spillway

B. determination of the depth of the pond

C. site inspection

D. height of the dam

Which of the following materials is not allowed in the harvesting of fish?

A. nets

B. baskets

C. traps

D. chemicals

The types of ponds in a fresh water fish should include the following except

A. nursery pond

B. breeding pond

C. production pond

D. storage pond

Which of the following are the cheapest methods of preserving fish?

A. salting and sun drying

B. freezing and chilling

C. salting and canning

D. smoking and canning