May 2022 in “Research Square (Research Square)” Melatonin improved sheep reproduction, being more beneficial and cost-effective in males.
April 2023 in “Tropical Animal Health and Production” Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.
47 citations
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May 1999 in “Reproduction” Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
83 citations
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February 1977 in “PubMed” Increasing light exposure in winter can make mares ovulate and cycle earlier.
25 citations
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February 1977 in “American Journal of Veterinary Research” Increasing daylight to 16 hours in winter can make mares ovulate and cycle earlier.