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Angus cattle grow faster and are more feed-efficient than Brahman, especially with growth-promoting systems, and gene expression changes with cold and treatments.

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

Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.

Yak hair growth is influenced by genes and hormones, helping them adapt to alpine environments.

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.

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.

Sex hormones affect dog skin conditions, but more data is needed.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Tridax procumbens is a widely used medicinal plant with many health benefits.

A horse in Brazil had seasonal hair loss possibly linked to light exposure and melatonin levels.

The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.

The MLPH gene is not linked to seasonal hair loss in Rhodesian Ridgeback dogs.

A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.

PPARβ/δ helps yaks adapt to high altitudes by regulating lipid metabolism in their coats.

Melanocytes are crucial for skin pigmentation and can affect conditions like melanoma, vitiligo, and albinism, as well as hair color and hearing.

Winter provides the best fur quality for Rex rabbits due to seasonal changes in specific signaling pathways.

Hair loss peaks in spring and regrowth in late summer, with pregnant females losing the most hair.

Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.

Essential oils may improve dogs' health and melatonin can help with their sleep and anxiety, but both should be used carefully.

The document concludes that hair loss in cats is caused by various factors, including allergies, mites, infections, and hormonal issues, with treatments varying accordingly.

Yak hair follicles adapt to cold through specific gene regulation, enhancing cell growth.

Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.

Mange and orf are present in some goat herds in Zambia, but more research is needed.

Older steers have higher hair cortisol levels than younger steers.

Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.

Hair cortisol is a reliable way to measure long-term stress in animals.

Chimp Haven uses a special system to check and improve the well-being of their chimpanzees, which could help other animal sanctuaries too.

The document concludes that non-endocrine alopecia in pets varies in treatment effectiveness and often has a poor prognosis, especially in cats.

Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.

Animal models are crucial for learning about hair loss and finding treatments.