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SHORT COMMUNICATION
Influence of the frequency of feeding hay to grass
on chewing activity and ruminal pH-fluctuation
in dairy cows
1
Agroscope Liebefeld-Posieux, Swiss Federal Research Station for Animal Production and
Dairy Products (ALP), Tioleyre 4, CH-1725 Posieux, Switzerland
2
Institute of Animal Science, Animal Nutrition, Swiss Federal Institute of Technology (ETH),
ETH-Zentrum, CH-8092 Zurich, Switzerland
Publication date: 2004-08-30
Corresponding author
F. Dohme
Agroscope Liebefeld-Posieux, Swiss Federal Research Station for Animal Production and Dairy Products (ALP), Tioleyre 4, CH-1725 Posieux, Switzerland
Agroscope Liebefeld-Posieux, Swiss Federal Research Station for Animal Production and Dairy Products (ALP), Tioleyre 4, CH-1725 Posieux, Switzerland
J. Anim. Feed Sci. 2004;13(Suppl. 1):59-62
KEYWORDS
ABSTRACT
Six ruminally cannulated cows were used in a double 3×3 Latin square design to investigate
the influence of the frequency of hay feeding to a grass diet on chewing activity and ruminal pH
fluctuation. Feeding hay for three times instead of all at once did not influence chewing activity
but there was a trend towards a more stabilising effect concerning ruminal pH fluctuation. As no
reduction in milk fat and no disorders of rumen function were observed, it seems not to be necessary
to supplement a pure grass diet with hay to improve its physical fibrousness.
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| ISSN: | 1230-1388 |
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