2 citations,
December 2019 in “Veterinary Dermatology” Microneedling with platelet-rich plasma helps dog hair regrow faster than microneedling alone.
The document concludes that non-endocrine alopecia in pets varies in treatment effectiveness and often has a poor prognosis, especially in cats.
20 citations,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
1 citations,
January 2006 in “Elsevier eBooks” 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.
7 citations,
July 1999 in “In Practice” The conclusion is that a systematic approach is key for treating symmetrical alopecia in dogs, but treatment may not always be necessary.