Effect of supplementation of allicin on methanogenesis and ruminal microbial flora in Dorper crossbred ewes

Journal of Animal Science and Biotechnology
T MaQiyu Diao

Abstract

Garlic extracts have been reported to be effective in reducing methanogenesis. Related mechanisms are not well illustrated, however, and most studies have been conducted in vitro. This study investigates the effects of supplementary allicin (AL) in sheep diet on in vivo digestibility, rumen fermentation, and shifts of microbial flora. Two experiments were conducted using Dorper × thin-tailed Han crossbred ewes. In experiment 1, eighteen ewes (60.0 ± 1.73 kg BW) were randomly assigned for 29 days to either of two dietary treatments: a basal diet or the basal diet supplemented with 2.0 g AL/head·day to investigate supplementary AL on nutrient digestibility and methane emissions. In experiment 2, six ewes (65.2 ± 2.0 kg BW) with ruminal canulas were assigned to the same two dietary treatments as in experiment 1 for 42 days to investigate supplementary AL on ruminal fermentation and microbial flora. The methane emissions were determined using an open-circuit respirometry system and microbial assessment was done by qPCR of 16S rRNA genes. Supplementary AL increased the apparent digestibility of organic matter (P < 0.001), nitrogen (P = 0.006), neutral detergent fiber (P < 0.001), and acid detergent fiber (P = 0.002). Fecal nitrogen ...Continue Reading

References

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Citations

Feb 12, 2017·Animal Science Journal = Nihon Chikusan Gakkaihō·Wisitiporn SuksombatPipat Lounglawan
Mar 24, 2018·The British Journal of Nutrition·Zhuang LuFeng Gao
Apr 13, 2018·Journal of Animal Science and Biotechnology·Fang ChenWutai Guan
Mar 17, 2018·Experimental and Therapeutic Medicine·Yangfeng XiangKejing Wang
May 30, 2021·Animal : an International Journal of Animal Bioscience·W ZhuH G Cao

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Methods Mentioned

BETA
PCR

Software Mentioned

SPSS
CFX96

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