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Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.

Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.

Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.

Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Red deer hair cells offer a new way to study how hormones affect hair growth.

Analyzing bear poop helps measure their stress without harming them.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Goat hair growth and follicle activity change with the seasons and differ between males and females.

Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.

Different drugs are used to manage breeding, prevent or end pregnancy, and treat reproductive issues in dogs and cats.

Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

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.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Prolactin affects when mice shed and grow hair.

The spiny mouse is a unique menstruating rodent that can help us understand menstruation and reproductive disorders.

Prolactin affects when mice shed and grow hair.

Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.

Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.

Timing of light therapy affects horse coat growth, with photoperiod being crucial.

Melatonin treatment may increase cashmere production in Spanish goats.

Prenatally androgenized ewes can model increased hair diameter in women with PCOS.

Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.

Cows that shed more hair in winter have better reproductive success and their calves weigh more at weaning.

Cells from balding scalps have more androgen receptors than cells from non-balding scalps.