24 citations,
March 2001 in “Journal of Endocrinology/Journal of endocrinology” Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.
13 citations,
June 2020 in “Scientific reports” Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.
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.
90 citations,
October 1998 in “Animal Reproduction Science” Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.
85 citations,
May 2019 in “Journal of neuroendocrinology” The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.