Which of the following symptoms is typical of louse infestation in livestock?
Itching of the body
Abdominal pain
Profuse salivation
Oozing out of blood
Correct answer is A
No explanation has been provided for this answer.
On which of the following criteria is pedigree selection in animal improvement based?
Performance of the ancestors
Characteristics of the sire
Performance of the offspring
Characteristics of the dam
Correct answer is A
No explanation has been provided for this answer.
Which of the following statement about cross breeding in farm animals is false?
It is a method used to produce new breeds of farm animals
The individuals used have all characters in common
It is a practice of improving poultry production
It can be used to introduce new genes in farm animals
Correct answer is C
No explanation has been provided for this answer.
The type of weed control involved when tilapia feeds on aquatic weeds is
Biological
Chemical
Cultural
Mechanical
Correct answer is A
No explanation has been provided for this answer.
10
11
20
40
Correct answer is A
No explanation has been provided for this answer.