Impact of dietary plant tannins on rumen fermentation and methanogenesis in simental cows

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26788462%3A_____%2F24%3AN0000058" target="_blank" >RIV/26788462:_____/24:N0000058 - isvavai.cz</a>

Alternative codes found

RIV/26788462:_____/24:N0000057

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Impact of dietary plant tannins on rumen fermentation and methanogenesis in simental cows

Original language description

Four cannulated Simmental cows were subjected to four dietary treatments: a control diet (0M1) and three M1-supplemented diets (150 g/day (150M1), 200 g/day (200M1), and 300 g/day (300M1)). The basal diet consisted of meadow hay, grass silage, maize silage, cereal concentrate, and mineral concentrate. The feed supplement (M1) contained chestnut, quebracho, seaweed tannins, and capsaicin. Rumen fermentation activity and feed digestibility were assessed through in vitro and in sacco methods, with the in vitro method utilizing the ANKOM production system. Rumen fluid samples were analyzed regularly for pH, volatile fatty acids (VFA), nitrogen compounds, ammonia levels, and protozoal counts. VFA concentrations were determined using gas chromatography and isotachophoresis. The M1 supplement significantly influenced rumen fermentation parameters, including pH, total VFA, acetate, propionate, acetate-to-propionate ratio, and isovalerate (P < 0.005). Specifically, 200 g/day of M1 increased acetate, isovalerate, and the acetate-to-propionate ratio (P < 0.001), while decreasing propionate production. Significant effects (P < 0.001) were also observed in total protozoa and the relative abundance of protozoal genera. The study demonstrates that tannin-based feed supplements can effectively modulate rumen microbial dynamics and reduce methane emissions. The results support the use of tannins as a viable strategy for enhancing rumen function, improving feed efficiency, and mitigating the environmental impact of enteric methane production. These findings highlight the potential of tannin-enriched diets to advance sustainable livestock management practices.

Czech name

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Czech description

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Type

O - Miscellaneous

CEP classification

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OECD FORD branch

40201 - Animal and dairy science; (Animal biotechnology to be 4.4)

Project

<a href="/en/project/SS06020190" target="_blank" >SS06020190: Development of an anti-methanogenic feed supplement to mitigate the environmental impact of livestock farming</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů