12th Class Biology Sample Paper Biology - Sample Paper-12

  • question_answer
    If you are the manager of a dairy farm, what measures would you undertake to improve the quality and quantity of milk production?

    Answer:

    Being a manager of a dairy farm, to improve the quality and quantity of milk production, I will use MOET (Multiple Ovulation Embryo Transfer) technology. This is herd improvement programme in which high milk-yeilding breeds of females and high quality meat-yeilding bulls have been bred successfully to improve quality as well as quantity. The method includes following steps
    (i) A cow is administered with hormone FSH-to induce follicular maturation and superovulation.
    (ii) The cow produces 6-8 eggs instead of one egg, normally released per cycle.
    (iii) A cow in now mated with an elite bull or artificially inseminated.
    (iv) The fertilised eggs at 8-32 celled stages are recovered non-surgically and transferred to surrogate mothers.
    (v) The genetic mother can again be used for superovulation.


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