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    Question

    Oestrus cycle is very important to know the right time for AI . In which phase of oestrus cycle implantation of embryo takes Place?

    A Diestrus Correct Answer Incorrect Answer
    B Metestrus Correct Answer Incorrect Answer
    C Proestrus Correct Answer Incorrect Answer
    D Estrus Correct Answer Incorrect Answer
    E Anestrus Correct Answer Incorrect Answer

    Solution

    (1) pro-oestrus ( follicular phase) – Graafian follicles develop in the ovary and secrete oestrogens; (2) oestrus ( heat) – ovulation normally occurs, the female is ready to mate and becomes sexually attractive to the male; (3) metoestrus ( luteal phase) – corpus luteum develops from ruptured follicle; (4) dioestrus – progesterone secreted by corpus luteum prepares uterus for implantation.

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