Production, Absorption and Passage of Ruminal Acetate and Butyrate in Sheep and Measurement of Dietary Metablizable Lipogenous Substances

DU Ruiping; LU Dexun; GAO Min

doi:10.3969/j.issn.1006-267x.2019.12.021

2019 , Vol. 31 >Issue 12: 5551 - 5561

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.12.021

Production, Absorption and Passage of Ruminal Acetate and Butyrate in Sheep and Measurement of Dietary Metablizable Lipogenous Substances

DU Ruiping ,
LU Dexun ,
GAO Min

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Animal Nutrition Institute of Agriculture and Animal Husbandry Academy of Inner Mongolia, Huhhot 010030, China

Received date: 2019-05-21

Online published: 2019-12-13

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Abstract

This experiment was conducted to study the production, absorption and passage of ruminal acetate and butyrate in sheep and measure the dietary metabolizable lipogenous substances (MLS) under 1.0 M energy level. Six Inner Mongolian semifine-wool wethers (1.5-old-year) and fitted with a ruminal and a duodenum cannula were used to measure the MLS by simulating continuous feeding and pulse-continuous infusion technology of non-isotope labeled acetate and butyrate solutions. Rumen steady state was obtained through eight equal portions feeding daily. The results showed that under 1.0 M energy level, the principal production rate of ruminal acetate and butyrate in sheep were 61.66 and 23.04 mmol/h, respectively; the absorption rate of ruminal acetate and butyrate were 47.86 and 17.86 mmol/h, respectively; the passage rate of ruminal acetate and butyrate were 14.52 and 5.19 mmol/h, respectively; the fractional absorption rate of ruminal acetate and butyrate were 76.33% and 77.52%, respectively. Dietary MLS measured in this experiment is 135.69 g/d.

Key words： sheep; acetate; butyrate; production; absorption; passage; metabolizable lipogenous substances

Cite this article

DU Ruiping , LU Dexun , GAO Min . Production, Absorption and Passage of Ruminal Acetate and Butyrate in Sheep and Measurement of Dietary Metablizable Lipogenous Substances[J]. Chinese Journal of Animal Nutrition, 2019 , 31(12) : 5551 -5561 . DOI: 10.3969/j.issn.1006-267x.2019.12.021

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