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Effect of Flavonoid Sources on Nutrient Intake and Digestibility, Rumen Fermentation, Growth Performance, Milk
Lindokuhle Christopher Mhlongo1, Onke Hawu2, Lwando Mbambalala3
1Department of Animal Science, University of the Free State, Bloemfontein, 9300, South Africa, ufs.ac.za.
Thescientificworldjournal
|March 31, 2026
Summary
Flavonoids show promise as natural feed additives for ruminants, potentially improving nutrient intake, growth, and milk production while reducing methane and parasites. Further research is needed to optimize their use in sustainable animal agriculture.
Area of Science:
- Animal Science
- Nutritional Biochemistry
- Rumen Microbiology
Background:
- Growing global demand for animal products necessitates sustainable production methods.
- Overreliance on antibiotics in animal agriculture raises concerns about drug-resistant pathogens.
- Ruminants contribute to environmental methane emissions and are susceptible to infections impacting performance.
Purpose of the Study:
- To review the effects of flavonoid sources on ruminant production parameters.
- To assess flavonoids as natural alternatives to antibiotics for improving animal health and performance.
- To identify research gaps regarding flavonoid efficacy in reducing methane and pathogens while enhancing production.
Main Methods:
- Comprehensive literature review of studies on flavonoid inclusion in ruminant diets.
- Analysis of data on nutrient intake, digestibility, and rumen fermentation.
- Evaluation of impacts on growth performance, milk production, and endoparasite load.
Main Results:
- Flavonoids demonstrate potential in improving nutrient utilization and rumen fermentation.
- Evidence suggests benefits for growth performance and milk yield in ruminants.
- Preliminary findings indicate a role in mitigating methane production and endoparasitic infections.
Conclusions:
- Flavonoid supplementation offers a promising natural strategy for sustainable ruminant production.
- Further research is required to determine optimal flavonoid sources and inclusion levels for holistic benefits.
- Identifying specific flavonoids with broad-spectrum positive effects is a key future direction.
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