1. Reproductive activity and cycle length
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2. Reproductive behaviour
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3. Endocrine regulation of the oestrous cycle
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3.1. Hypothalamic function
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3.2. Pituitary function and gonadotrophin release
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3.3. Follicular development, follicular hormone production and ovulation
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3.4. Luteal function
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3.5. Luteolysis
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4. Oestrous cycle-induced changes of uterus, vagina and endometrium
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5. Regulation of seasonal reproductive activity
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6. Manipulation of reproductive activity in the mare
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7. Conclusion
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Conflict of interest statement
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References