research Serum Prolactin and Dehydroepiandrosterone Concentrations During the Summer and Winter Hair Growth Cycles of Mink (Mustela Vison) 18 citations, November 1998 in “Comparative biochemistry and physiology. Part A, Molecular & integrative physiology” Changes in prolactin and DHEA levels are not required for the start of mink hair growth cycles.
research The Function of Zinc in Animal, Plant, and Human Nutrition 9 citations, April 2023 in “Journal for Research in Applied Sciences and Biotechnology” Zinc is important for growth and health in animals, plants, and humans, and not having enough can cause various problems.