Additive Tannins in Ruminant Nutrition: An Alternative to Achieve Sustainability in Animal Production
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Data
2023-03-01
Autores
Fonseca, Natalia Vilas Boas [UNESP]
Cardoso, Abmael da Silva
Bahia, Angélica Santos Rabelo de Souza [UNESP]
Messana, Juliana Duarte [UNESP]
Vicente, Eduardo Festozo [UNESP]
Reis, Ricardo Andrade [UNESP]
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Resumo
Sustainable intensification involves maintaining ecosystem balance and increasing productivity per animal per unit area. Phytogenic additives can be used as an alternative to achieve sustainable intensification. Tannins are phenolic compounds present in plants that are classified according to their chemical structure into hydrolyzable and condensed compounds. When added to ruminant diets, condensed tannins exert effects on rumen fermentation, such as a reduction in rumen protein degradation and enteric methane production per unit of dry matter ingested, and may also improve weight gain. The advantage of this mechanism is that it increases dietary protein utilization, reduces nitrogen excretion in urine, and reduces nitrous oxide emissions. However, the positive effects of these compounds as nutritional additives require further investigation. Therefore, the objective of this review is to demonstrate the results hitherto known of the use of condensed tannins in ruminant nutrition. The use of tannins can result in both positive and negative effects, depending on the sources and doses administered.
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greenhouse gases, livestock, mitigation, nitrogen, rumen fermentation
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Sustainability (Switzerland), v. 15, n. 5, 2023.