Heterosis in animal breeding is referred to as
Hybrid vigour
Dominance
Recessivity
Mutation
Correct answer is A
No explanation has been provided for this answer.
A common means of aerating a fish pond is by stirring the water and
Removing dead and decaying matter
Adding water plants
Adding cold water
Pumping oxygen into the water
Correct answer is A
No explanation has been provided for this answer.
The most effective method of controlling ectoparasites in farm animals is by regular
Exposure of animals to sunlight
Dipping of animals in a solution of pesticides
Hand-picking of ectoparasites
Isolation of infested animals
Correct answer is B
No explanation has been provided for this answer.
Which of the following livestock endoparasites is a hermaphrodite?
Liverfluke
Trypanosome
Tapeworm
Roundworm
Correct answer is C
No explanation has been provided for this answer.
The purpose of vaccination is to
Treat parasites infestation
Prevent disease infection
Control parasites
Treat diseases
Correct answer is B
No explanation has been provided for this answer.