SHORT COMMUNICATION
The effect of feeding raw and extruded feed
containing soyabean meal on pancreatic juice
digestive enzyme activities in young calves
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Agricultural University of Lublin, Department of Animal Biochemistry and Physiology,
Akademicka 12, 20-950 Lublin, Poland
Publication date: 2005-06-21
Corresponding author
J. L. Valverde Piedra
Agricultural University of Lublin, Department of Animal Biochemistry and Physiology,
Akademicka 12, 20-950 Lublin, Poland
J. Anim. Feed Sci. 2005;14(Suppl. 1):263-266
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ABSTRACT
The aim of this study was to determine the influence of raw and extruded feed containing
soyabean meal on pancreatic juice enzyme activities in young calves. Experiments were carried
out on twelve calves cannulated 3 weeks after birth. The calves from the control group were fed
a semiliquid diet (milk and cereal mixture). The calves from the experimental groups received a
semiliquid diet containing additionally soyabean meal in either raw or extruded form. A significant
increase of protein and trypsin output as well as proteolytic activity in the pancreatic juice was
observed in calves fed the diet with raw soyabean meal.
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