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Effect of double-muscling and of removing maize silage, fed besides concentrates, on the chewing behaviour of bulls
 
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Department Animal Nutrition and Husbandry, Agricultural Research Centre, Scheldeweg 68, B-9090 Melle, Belgium
CORRESPONDING AUTHOR
S. De Campeneere   

Department Animal Nutrition and Husbandry, Agricultural Research Centre, Scheldeweg 68, B-9090 Melle, Belgium
Publication date: 2004-08-30
 
J. Anim. Feed Sci. 2004;13(Suppl. 1):631–634
 
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ABSTRACT
To determine if beef bulls adjust their chewing pattern to avoid ruminal acidosis, the chewing behaviour of double-muscled (dm) and non-dm bulls was studied with a concentrate based diet, with and without maize silage. Conformation (dm or not) did not influence the chewing behaviour. Daily rumination time was more strongly affected by the roughage portion than the daily eating time. Removing the maize silage induced a shift towards more rumination during the night. Conclusively, bulls did not adjust their chewing pattern to the acidotic rumen load.
ISSN:1230-1388