(a) Causes of low egg production in chicken:
(i) Age of birds/moulting (ii) Incidence of diseases (iii) Pest infestation
(iv) Unfavourable weather/photoperiodism (v) Poor housing/ ventilation
(vi) Poor feeding/malnutrition/ tinder nutrition/inadequate feeding (vii) Types of breed (viii) Broodiness (ix) Poor/inadequate water supply/in-take
(x) Poor illumination
(xi) Incidence of predators (xii) Poor sanitation/hygiene (xiii) Noise pollution.
(b) Parts of the digestive system of pigs: (i) Mouth/ teeth/tongue/salivary gland (ii) Gullet/oesophagus/throat/ gut/ food pipe (iii) Stomach (iv) Liver (v) Pancreas (vi) Gall bladder/bile duct
(vii) Small intestine/duodenum/Jejunum/ileum (vii) Large intestines/caecum/colon/rectum (viii)Anus
(c) Importance of cattle production! (i) Source of meat/protein (ii) Source of milk (iii) used on farms for traction/work power
(iv) Source of employment (v) Source of income/investment (vi) For social and cultural purposes
(vii) Skin for producing leather/raw materials for industry (viii) Source of organic manure
(ix) Transportation/beast of burden (x) Source of animal feed (blood meal, bone meal
(xi)Source of foreign exchange (xii) Education/research (xiii) Exhibition/livestock shows
(xiv) Aesthetic/decoration materials, e.g horn, hoof, teeth, tail.
(d) Uses of poultry eggs: (i) Eaten as food by humans/source of protein in human diets (ii) Sources of income to farmers
(iii) Raw material for industries/ confectioneries/preservatives/vaccine/medical products
(iv) Could be a source of foreign exchange
(v) Used for research/education (vii) For cultural/religious/purposes of feed/protein or minerals for (viii) animals (ix) Exhibition/egg show.