(a) List four methods of identification in cattle production [4 marks] (b) State three reasons for carrying out each of the following animal husbandry practices; (i) culling of poultry; (ii) dehorning of cattle. [6 marks] (c) Mention the botanical names of four pasture legumes grown in West Africa [4 marks] (d) State four ways of preserving harvested fish [2 marks]
Explanation
(a) Methods of identification in cattle production: Branding with hot iron, Tagging (Neck/Ear/Nose), Ear Notching, Tattooing (b) Reasons for carrying out the following animal husbandry practices: (i) Culling of poultry - To remove unproductive birds from the flock - To remove diseased birds from the flock to prevent spread of disease - To remove aggressive or cannibalistic birds from the flock - To remove pest infested birds from the flock (ii) Dehorning of cattle - To reduce the space required by cattle during feeding - To ensure that the animals eat more peacefully - To enhance the physical appearance of the cattle - To ease the transportation of the cattle from one location to another - To make handling easy - To reduce aggressive tendencies in the flock and reduce injuries to individuals. (c) Botanical names of pasture legumes grown in West Africa: Calopogonium mucunoides, Centrosema pubescens, Pueraria phaseoloides, Stylosanthes gracilis, Mucuna utilis, Crotalaria juncea (d) Ways of preserving harvested fish: Freezing, Smoking, Salting, Sun drying, Canning, Roasting, Irradiation, Steam cooking, Icing