WAEC Agricultural Science 2007 Question 51

If in a poultry flock, the birds keep passing out green, foul-smelling faeces with nervous symptoms, it shows that the farmer

1. A.has not administered Newcastle disease vaccine
2. B.neglected to treat chicks against gumboro disease
3. C.is giving the birds protein-deficient diet
4. D.is feeding a diet high in calcium.