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The effect of an additive on the aerobic stability and subsequent intake of grass silages

Published online by Cambridge University Press:  24 November 2017

O D Davies
O D Davies*
Affiliation:
MAFF/ADAS , Trawsgoed, Aberystwyth, Dyfed SY23 4HT
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Extract

A major difficulty in producing detailed rations for ruminants, where grass silage is offered ad libitum lies in the accurate prediction of silage intake. It is well documented that ammonia and increased levels of acetic, butyric, caproic and valeric acids in grass silages have negative effects on intake, whilst increased organic matter digestibility has a positive effect. (Gill, Book and Thiago, 1988). A laboratory assessment of silage fermentation characteristics is usually determined from freshly cored samples. Depending on the stability of the silage, and the feeding method, results of such assessments may not be indicative of the silage on offer to stock.

A laboratory method of determining the aerobic stability of silage has been developed by ADAS at Slough Laboratories between 1988 and 1990, (Brooks 1990).

Type
Silage Additives
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1992 , March 1992 , pp. 159
Copyright
Copyright © The British Society of Animal Production 1992

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References

Brooks, R. M (1990) Method for assessing the aerobic stability of silage. Proceedings of the Ninth Silage Conference, University of Newcastle upon Tyne 56–57.Google Scholar
Gill, M; Rook, A. J., and Thiago, L. R. S (1988) Factors affecting the voluntary intake of roughages by the dairy cow. In Nutrition and Lactation in the Dairy Cow Ed. P.C. Garnsworthy. Butterworths 262–279.CrossRefGoogle Scholar