Effects of tea saponins on in vitro ruminal fermentation and growth performance in growing Boer goat

Archives of Animal Nutrition
Wei-lian HuJun-an Ye

Abstract

Two experiments were conducted to investigate the effects of tea saponins (TS) on in vitro ruminal fermentation and growth performance in growing Boer goats. In Experiment 1, the Reading Pressure Technique (RPT) system was used to investigate the effect of addition of TS (0, 0.2, 0.4 and 0.8 mg/ml) on the ruminal fermentation in vitro. The 24h gas production and methane emission were significantly decreased when 0.4 or 0.8mg TS was included, suggesting that the TS could inhibit the release of methane. Compared to the control, the TS had little effect on pH values and the concentration of total volatile fatty acids in the ruminal fluids. However, the fermentation patterns were changed, with lower acetate and higher proportions of propionate when TS was added. Ammonia-N concentration and protozoal counts were significantly reduced, while microbial protein yield was increased by the TS addition, suggesting that the TS could modify the ruminal fermentation. In Experiment 2, 27 growing Boer goats were used to evaluate the effects of the TS addition on growth performance. The animals received the same basal diets, and added TS at levels of 0 (C), 3 g (T1) and 6 g (T2) per day. The experiment lasted for 60 days with the first 15 days ...Continue Reading

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Citations

Aug 21, 2010·Future Medicinal Chemistry·Michael R RonerMelody Kiesling-Barrager
May 25, 2011·Journal of Animal Physiology and Animal Nutrition·R Rodríguez, M Fondevila
Sep 10, 2016·Asian-Australasian Journal of Animal Sciences·M KumarV K Sharma
Jun 6, 2012·Journal of Animal Science·W Li, W Powers
Sep 3, 2014·Asian-Australasian Journal of Animal Sciences·Anuraga JayanegaraJunichi Takahashi
Nov 16, 2019·Tropical Animal Health and Production·Lizbeth E Robles JimenezManuel Gonzalez-Ronquillo
May 18, 2020·Animals : an Open Access Journal From MDPI·Jorge Canul-SolisLuis Castillo-Sánchez
Oct 10, 2013·Journal of the Science of Food and Agriculture·Andrej LavrenčičAndreja Cerenak
Jan 23, 2021·Journal of Animal Physiology and Animal Nutrition·Fangyu ZhangXiaogang Yan
Mar 23, 2021·Frontiers in Veterinary Science·Luis O TedeschiSusanne U Mertens-Talcott

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