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Rumen microbial response in production of CLA and methane to safflower oil in association with fish oil or/and fumarate

Authors
Li, Xiang Z.Long, Rui J.Yan, Chang G.Lee, Hong G.Kim, Young J.Song, Man K.
Issue Date
2011
Publisher
WILEY
Keywords
CLA; fish oil; fumarate; methane; safflower oil
Citation
ANIMAL SCIENCE JOURNAL, v.82, no.3, pp.441 - 450
Indexed
SCIE
SCOPUS
Journal Title
ANIMAL SCIENCE JOURNAL
Volume
82
Number
3
Start Page
441
End Page
450
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/114935
DOI
10.1111/j.1740-0929.2010.00857.x
ISSN
1344-3941
Abstract
Supplementation effect of fish oil and/or fumarate on production of conjugated linoleic acid (CLA) and methane by rumen microbes was examined when incubated with safflower oil. One hundred and twenty milligrams of safflower oil (SO), safflower oil with 24 mg fish oil (SOFO), safflower oil with 24 mmol/L fumarate (SOFA), or safflower oil with 24 mg fish oil and 24 mmol/L fumarate (SOFOFA) were added to the 90 mL culture solution. The culture solution was also made without any supplements (control). The SOFA and SOFOFA increased pH and propionate (C3) compared to other treatments from 3 h incubation time. An accumulated amount of total methane (CH4) for 12 h incubation was decreased by all the supplements compared to control. The concentrations of c9,t11CLA for all the incubation times were increased in the treatments of SOFO, SOFA and SOFOFA compared to SO. The highest concentration of c9,t11CLA was observed from SOFOFA among all the treatments at all incubation times. Overall data indicate that supplementation of combined fumarate and/or fish oil when incubated with safflower oil could depress CH4 generation and increase production of C-3 and CLA under the condition of current in vitro study.
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