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The in-vitro study effect of dietary whole cottonseed and protein level on volatile fatty acids and gas production

Published online by Cambridge University Press:  23 November 2017

O Dayani ,
M Afsharmanesh  and
M R Mohammad Abadi
O Dayani*
Affiliation:
Kerman Shahih Bahonar University, Kerman, Kerman, Iran
M Afsharmanesh
Affiliation:
Kerman Shahih Bahonar University, Kerman, Kerman, Iran
M R Mohammad Abadi
Affiliation:
Kerman Shahih Bahonar University, Kerman, Kerman, Iran
*
Email: [email protected]
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Extract

Whole cottonseed (WCS) is a by-product of the cotton-gin industry. This feedstuff is of significant feeding value for animals. WCS dry matter is high in fat, crude protein and neutral detergent fiber (NRC). The effect of fat on rumen-fermentation characteristics is explained by its detrimental effect on rumen microorganisms (Arieli, 1998). Chalupa et al (1984) found in an in-vitro study that addition of free C18:1, C18:2 and C18:3 to a hay-grain diet decreased the volatile fatty acids (VFA's) concentrations and acetate-to-propionate ratio. In some experiments, WCS had no effect on rumen fermentation. Sklan et al. (1992) found that the acetate:propionate ratio increased with WCS. The aim of this study was to survey the effect of addition of WCS and decreasing dietary CP level on rumen parameters.

Type
Poster presentations
Information
Proceedings of the British Society of Animal Science , Volume 2006 , March 2006 , pp. 192
Copyright
Copyright © The American Society of International Law 2016

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References

Arieli, A. 1998. Whole cottonseed in dairy cattle feeding: a review. Anl Feed Sci. and Tech. 72:97-110.CrossRefGoogle Scholar
Chalupa, W., B., Rickabaugh, D. S., Kronfeld, D., Sklan, . 1984. Rumen fermentation in vitro as influenced by long chain fatty acids. J. Dairy Sci. 67: 1439-1444.Google Scholar
Sklan, D., Ashkenazi, R., Braun, A., Devorn, A., Tabori, K., 1992. Fatty acids, calcium soaps of fatty acids, and cottonseeds fed to high yielding cows . J. Dairy Sci. 75: 2463-2472.Google Scholar