(a) (i) Define the term brooder as used in poultry production. [2 marks] (ii) List four characteristics of a good layer. [4 marks] (b) State four reasons fo...

Assessment: WAEC SSCE - Agricultural Science - 2009 (Essay) Subject: Agricultural Science

Question 1 Report

(a) (i) Define the term brooder as used in poultry production. [2 marks]

(ii) List four characteristics of a good layer. [4 marks]

(b) State four reasons for providing suitable housing for livestock. [4 marks]

(c) Give the scientific names of three fish species commonly stocked in a pond. [3 marks]

(d) State three qualities of a good pasture plant. [3 marks] 

Answer Details

(a)(i) Definition of brooder

A brooder is a specially heated house or equipment used to provide artificial warmth and care for day-old chicks in the absence of a mother hen, until they can regulate their own body temperature.

(a)(ii) Four characteristics of a good layer

  • A bright red, well developed comb and wattles.
  • A large, soft and moist vent.
  • Wide spacing (three to four fingers) between the pelvic bones.
  • Alert and active with bleached (pale) shanks and beak from continuous laying.

(b) Four reasons for providing suitable housing for livestock

  • To protect the animals from harsh weather (rain, sun, cold, wind).
  • To protect them from predators and thieves.
  • To make feeding, watering, management and disease control easy.
  • To provide comfort and reduce stress, thereby improving growth and production.

(c) Scientific names of three fish species commonly stocked in a pond

  • Oreochromis niloticus (tilapia).
  • Clarias gariepinus (African catfish).
  • Heterotis niloticus (also Heterobranchus species).

(d) Three qualities of a good pasture plant

  • It should be highly palatable and nutritious (high protein).
  • It should be fast growing and produce high yield of herbage.
  • It should be persistent, drought tolerant and able to withstand repeated grazing/trampling.

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