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Oestrous Cycle Pharmacological Manipulation - Anatomy & Physiology (view source)

Revision as of 08:22, 12 September 2008

146 bytes removed , 08:22, 12 September 2008

→‎Factors Influencing Reproduction

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= Factors Influencing Reproduction =

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== ~~Hormones~~ ==

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== Physiological ==

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* Pulsatile GnRH secretion.

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=== Light ===

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* Gonadotrophins LH and FSH

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* Gonadal steroids e.g. Oestrogen and Progesterone

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* Inhibin, inhibiting FSH

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* Prostaglandin F2α, causes luteolysis in the non-pregnant cycle

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== ~~Environment~~ ==

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=== Nutrition ===

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* Day length (short and long day breeders)

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=== Other Methods ===

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* Housing conditions (group v.s individual)

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== ~~Nutrition~~ ==

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== Pharmacalogical ==

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* For example, feeding a higher plane of ~~nutrition (flushing) to increase fertility before oestrus.~~

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=== Preparations which Stimulate Release of Anterior Pituitary Hormones ===

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=== Preparations which Supplement or Replace Pituitary Gonadotrophins ===

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=== Oestrogens ===

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=== Progestogens ===

= Manipulation of the Oestrous Cycle in Various Species =

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