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Comparison of in vitro dry matter degradation of four maize silages using the Menke gas production method

Lookup NU author(s): Adem Kamalak, Dr Heather Finlayson

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Abstract

Four maize silages from the UK and France were evaluated using the gas production method to estimate the rate and extent of dry matter degradation in vitro. There were significant differences in gas production after 17 In incubation. The silages showed similar times to produce 50, 95 and 100% of total gas production, whereas the lag time for Ema was significantly (P < 0.001) lower than that for Volgate. The potential gas production value (a + b) for Nancis was significantly (P < 0.05) lower than that for Volgate. There was a significant correlation (r = 0.996, R-2 = 90.71, P < 0.001) between gas production and total VFA production. There were considerable differences in the fermentability of carbohydrates between different maize silages. Nancis and Ema had more readily fermentable carbohydrate, which yielded high propionate production and a shorter lag time. 6196 and Volgate had more slowly fermentable carbohydrate, which did become available to microorganisms but after a longer lag time.


Publication metadata

Author(s): Finlayson HJ; Kamalak A; Gurbuz Y

Publication type: Article

Publication status: Published

Journal: Turkish Journal of Veterinary and Animal Sciences

Year: 2002

Volume: 26

Issue: 5

Pages: 1003-1008

Print publication date: 01/01/2002

ISSN (print): 1300-0128

ISSN (electronic): 1303-6181

Publisher: Scientific and Technical Research Council of Turkey

URL: http://journals.tubitak.gov.tr/veterinary/issues/vet-02-26-5/vet-26-5-3-0011-16.pdf


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