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The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Blue foxes born later in the season have a slightly delayed fur growth cycle, but it catches up by mid-November.

Melatonin treatment made ferrets grow their fur earlier and affected their breeding time.

The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.

Some horses lose hair without inflammation or itching due to various conditions, and while mainly a cosmetic issue, diagnosis requires examination and biopsies, and breeding is not advised if it's hereditary.

Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.

Some nail changes in chilblains can look like lichen planus and may be severe and long-lasting.

The farm-raised blue fox had a delayed winter coat cycle and abnormal hormone levels, but its hair growth and hormone changes were still linked.

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

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.

All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.

Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.

Blue light might help treat skin conditions by affecting the skin's bacteria.

The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.

Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.

Oral minoxidil effectively reduces hair shedding in women with CTE, with no major side effects.

The research identified genes and pathways important for sheep wool growth and shedding.

Flumethasone causes wool shedding in Merino wethers, with recovery in about 60 days.

Hoxc13 is linked to seasonal hair growth in Cashmere goats and is affected by melatonin.

Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.

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

The conclusion is that different types of hair loss in dogs and cats can be cosmetic or serious, and affected animals should not be bred.

Hair growth and shedding are linked and can be disrupted, causing a delay known as the hair eclipse phenomenon, which is common in certain hair conditions and could lead to new treatments.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

Androgens affect hair growth and shedding, with genetic and non-genetic factors influencing baldness.

Telogen effluvium is a common type of hair loss that can resolve on its own or become chronic, with treatment depending on early diagnosis.