ArticleVeterinary world2026
Effects of fermented potato protein supplementation on serum insulin-like growth factor-1 (IGF-1) concentrations, skeletal muscle IGF-1 mRNA expression, and the interval to first postpartum estrus in tropical crossbred dairy cows.
Article in Veterinary world, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and Aim: Metabolic adaptation during the transition period is a major determinant of reproductive performance in dairy cows. Insulin-like growth factor-1 (IGF-1), a key regulator of the somatotropic axis, links nutritional status with endocrine function and postpartum reproductive recovery. Fermented potato protein (FPP), a value-added agro-industrial by-product, has improved protein digestibility and may contain bioactive compounds that modulate metabolic pathways. However, its effects on endocrine regulation and reproductive performance in tropical crossbred dairy cattle remain poorly understood. This study aimed to evaluate the effects of FPP supplementation on serum IGF-1 concentrations, skeletal muscle Materials and Methods: Two experiments were conducted. In Experiment 1, ten clinically healthy Results: FPP supplementation significantly increased serum IGF-1 concentrations on day 30 (17.97 ± 4.93 vs. 7.82 ± 0.87 ng/mL; p = 0.016) and day 45 (18.45 ± 4.13 vs. 7.72 ± 0.75 ng/mL; p = 0.016), whereas no significant differences were observed on days 0 and 15 (p > 0.05). Skeletal muscle Conclusion: FPP supplementation increased circulating IGF-1 concentrations without altering skeletal muscle
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