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3 marksAnimal Nutrition and Management

CSEC Agricultural Science · May/June 2013 · Paper 2 · Question 9(b)(ii)

An aquaculture farmer compares growth of hand-sexed and hormone-treated male tilapia, with data presented in Table 2.

After successive grow-out periods of using male and female tilapia species, the farmer noticed that the fish at harvest was stunted in growth. Suggest THREE reasons for the poor growth of the tilapia.

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Other parts of this question

  1. 9(a)Farmer Stacy is a successful bee farmer. Briefly state THREE daily or weekly practices that Farmer Stacy must carry out at her apiary.[3 marks]
  2. 9(b)(i)Compare hand-sexed males and hormone-treated males with respect to Growth and FCR.[3 marks]
  3. 9(c)Suggest THREE possible ways that the farmers themselves and government agencies can assist in the marketing of tilapia.[3 marks]

More practice: the rest of this paper · more Animal Nutrition and Management questions · all CSEC Agricultural Science past papers