January 2013 in “Heilongjiang xumu shouyi” This study found that a compound additive improved the growth and fur quality of blue foxes, with a 28.7% increase in weight gain and longer pelt lengths compared to the control group.
February 2026 in “Animals” In this study, supplementing low-protein diets with 0.75% methionine maintained growth performance, improved fur quality, enhanced nutrient utilization, and supported intestinal microbiota balance in blue foxes, with significant results on several biochemical parameters and nutrient digestibility observed.
3 citations
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June 2011 in “Clinical Cosmetic and Investigational Dermatology”
11 citations
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September 2012 in “Journal of animal physiology and animal nutrition” This study demonstrated that mink hair growth and pelt quality significantly depend on dietary protein levels and DL-methionine supplementation during the growing-furring period.
2 citations
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January 1987 in “Acta Agriculturae Scandinavica” This study found that subcutaneous injections of certain chelators led to skin and hair depigmentation, increased skin elasticity, and disturbed hair growth in minks, without affecting fur quality.