(a) State six causes of low egg production in chicken
(b) Name three parts of the digestive system of pigs.
(c) Enumerate six ways ways in which cattle production is important in West Africa.
(d) State five uses of poultry eggs.
Explanation
(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.