ArticleAnimal nutrition (Zhongguo xu mu shou yi xue hui)2025
Chromium yeast promotes milk protein synthesis by regulating ruminal microbiota and amino acid metabolites in heat-stressed dairy cows.
Article in Animal nutrition (Zhongguo xu mu shou yi xue hui), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Effects of Microminerals on Performance and Metabolic Adaptation in Heat-Stressed Dairy Cows: A Review.Biological trace element research · 2026Review
- Effects of Dietary Chromium Supplementation During Late Lactation on Productive Performance, Milk Composition, and Immune and Antioxidant Responses in Dairy Cows.Animals : an open access journal from MDPI · 2025Article
- Effects of Rumen-Protected Chromium-Nicotinic Acid on Lactation Performance, Nutrient Digestion, Ruminal Fermentation, Serum Biochemical Parameters, and Antioxidant in Lactating Water Buffaloes.Animals : an open access journal from MDPI · 2025Article
- Effects of chromium propionate supplementation on production performance, blood parameters, ruminal fermentation indices, and microbial diversity in heat-stressed Holstein dairy cows.Frontiers in veterinary science · 2025Article
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Authors and funding
5 authors.
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Abstract
The intensifying global warming may increase the impact of heat stress on the dairy industry. Our previous study showed that chromium yeast (CY) alleviated the negative effects of heat stress and improved the lactation performance by increasing milk protein content and yield in mid-lactation dairy cows. This study further investigated whether the increased milk protein after CY supplementation results from the promotion of microbial crude protein (MCP) synthesis by regulating rumen microorganisms and amino acid metabolites. Twelve heat-stressed dairy cows were divided into two treatment groups: one with CY supplementation (0.36 mg Cr/kg DM) and the other without CY supplementation. Samples were collected after eight weeks of formal experiment in a hot summer with the mean temperature-humidity index of 79.0 ± 3.13. Dietary CY supplementation did not affect rumen pH, total volatile fatty acid, acetate, propionate, isobutyrate, butyrate, isovalerate, and valerate, but increased ruminal MCP concentration (
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