The Utilisation of Tannin Extract as a Dietary Additive Ruminant Nutrition: A Meta-Analysis

Yanza, Yulianri Rizki and Fitri, Ainissya and Suwignyo, Bambang and Elfahmi, Elfahmi and Hidayatik, Nanik and Kumalasari, Nur Rochmah and Irawan, Agung and Jayanegara, Anuraga (2021) The Utilisation of Tannin Extract as a Dietary Additive Ruminant Nutrition: A Meta-Analysis. Animals, 11 (11): 3317. pp. 1-25. ISSN 20762615

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Abstract

The objective of this meta-analysis was to elucidate whether there are general underlying effects of dietary tannin extract supplementation on rumen fermentation, digestibility, methane production, performance, as well as N utilisation in ruminants. A total of 70 papers comprised
of 348 dietary treatments (from both in vivo and in situ studies) were included in the study. The database was then statistically analysed by the mixed model methodology, in which different experiments were considered as random effects and tannin-related factors were treated as fixed effects. The results revealed that an increased level of tannin extract inclusion in the diet lowered ruminant
intake, digestibility, and production performance. Furthermore, the evidence also showed that an increased level of tannin extract decreased animal N utilisation where most of rumen by-pass protein was not absorbed well in the small intestine and directly excreted in the faeces. Due to the type of tannin extract, HT is more favourable to maintain nutrient intake, digestibility, and production
performance and to mitigate methane production instead of CT, particularly when supplemented at low (<1%) to moderate (~3%) levels.

Item Type: Article
Uncontrolled Keywords: tannin extract; ruminant; methane; milk; N utilisation; rumen; meta-analysis
Subjects: S Agriculture > SF Animal culture
Divisions: Faculty of Veterinary Medicine
Depositing User: Erlita Cahyaningtyas Cahyaningtyas
Date Deposited: 14 Oct 2024 04:16
Last Modified: 14 Oct 2024 04:16
URI: https://ir.lib.ugm.ac.id/id/eprint/9397

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