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Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.

The KRTAP27-1 gene variations in sheep may affect wool length and weight.

As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.

Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.

Finasteride may affect fetal brain development and increase arousal, but more research is needed for safety confirmation.

The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.

Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.

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

Hoxc13 gene affects wool length in Gansu alpine fine-wool sheep.

Hair and wool have complex microscopic structures with microfibrils and varying cystine content.

Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

Some plant extracts may treat livestock diseases, certain animal treatments are safe and effective, but more research on drug safety and resistance is needed.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Diagnosing PCOS in teenagers should focus on signs of excess male hormones and not rely solely on ovarian ultrasound or irregular periods, and should be reassessed in adulthood.

Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.

The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.

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

Changthangi goats have specific genes that help produce Pashmina wool.

Proteins influence the quality and traits of cashmere goat fleece, affecting hair strength and diameter.

Using stem cells from fat tissue can significantly improve wound healing in dogs.

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

Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.

Melatonin improved cashmere production in goats during the first cycle but had no lasting effects on the next cycle.

Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.

Genes related to keratin, skin cell differentiation, and immune functions are key in hedgehog skin and spine development.

George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.

Goats infested with lice showed anemia and skin issues, which improved after treatment.

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.