(a) Anthrax disease
(i) Causal organism Bacterium/Bacillus anthracis
(ii) Mode of transmission
- Direct contact with infected animal/open wound
- Contaminated feeds
- Contaminated water
- Contaminated equipment
(iii) Symptoms
- Sudden death of animal
- Discharge of blood from body openings such as mouth, anus, nostril
- Swelling in the neck, genital and lower abdomen
- High fever
- Depression and staggering
- Loss of appetite
- Loss of weight

(iv) Prevention and control measures
- Regular vaccination
- Isolate infected animal
- Burn or bury deeply any infected dead animal
- Proper sanitation
- Disinfect properly after disease has occured in a herd

b(i) Sources of plant protein in livestock feeds
- Groundnut cake
- Cotton seed cake/meal
- Palm kernel cake
- Cowpea/groundnut fodder
- Soya bean cake/meal
- Sunflower seed cake/meal
- Cashew nut meal
- Copra cake
- Leguminous forage
(ii) Examples of forage legumes that could be found in rangelands in West Africa
- Centrosema (Centrosema pubescens)
- Tropical kudzu (Pueraria phaseoloides)
- Stylosanthes (Stylosanthes gracilis)
- Calopo (Calopogonium mucunoides)
- Mucuna (Mucuna utilis)
- Alfalfa (Medicago sativa)
(iii) Characteristics of labour
- It is mobile
- Has feelings
- It may be skilled or unskilled
- It appreciates with training or development
- It is subject to the law of diminishing returns
- It is a variable asset
- The reward for labour is wages and salaries
- The ownership of labour and use of labour cannot be separated
- The unit of labour is man days or man hours
- The size and quality of labour influence the quality and quantity of output
- Labour is perishable/if not utilized at a particular time it cannot be stored