(a)(i) Mention the major nutrients supplied by specimen A (Fish meal) in animal diet. (ii) State four functions of the nutrients mentioned in 1(a)(i). (iii) Name three feed stuffs that could be used in place of specimen A.
(b)Give four reasons for keeping specimen B on a farm (Chicken)
(c) Mention three management practices which are carried out during the rearing of specimen B.
Explanation
(a)(i) Major Nutrient Supplied by Fish Meal;- Protein
(ii) Functions of protein; Promote growth in animals/build up body tissues. -Production of hormones, antibodies. - Repair and maintenance of worn out tissues. - Production of eggs, milk. - Synthesis of enzymes e.g digestive juices. - Production of protective covering e.g hair, nails. - Formation of gametes. - Sources of energy. -Maintenance of body fluid balance. - Formation of hemoglobin for transportation of oxygen in blood.
(iii) Feeds Stuffs that Could be used to Replace Fish Meal; Meat meal/meal and bone meal. - Maggot meal. - Whole milk/slimmed milk. - Feather meal. - Insect meal eg termite, larva/larvae. - Blood meal. - Shrimp meal/crayfish meal. - Earthworm meal. - Poultry eggs/offals.
(b) Reason for Keeping Chicken; Source of food e.g meat, eggs. - Production of manure. - Production of chicks. - Preservation of genetic diversity. - For research/educational purpose. - Source of feed ingredients e.g egg shell, feather meal. - Social functions e.g payment of bride price. - Sports and games. - Source of income/employment/forign exchange. - As gifts. - Source of raw material e.g feathers. - As pets. - For security. - Religious festivals e.g Christmas.
(c) Management Practices Carried out when Rearing Chicken; Feeding (feed and water). - Brooding. - Delousing. - Detoeing/toe clipping. - Record keeping. - Deworming. - Vaccination. - Dubbing. - Culling. - Debeaking.- Despurring. - Isolation. - Cleaning/litter management/sanitation. Castration/caponization.