ORIGINAL PAPER
Tolerance of broiler chickens to dietary rye soluble
arabinoxylans
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Department of Biological Evaluation of Plant Products,
Institute of Plant Breeding and Acclimatisation,
Radzików, 05-870 Błonie, Poland
Publication date: 1998-06-24
J. Anim. Feed Sci. 1998;7(3):323-331
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ABSTRACT
Four growth experiments were conducted on 304 one-week old broiler cockerels to determine
the response of chickens to the increasing levels of rye and its soluble arabinoxylans (SAX) in the
diet. Substituting more than 10% of maize with rye depressed body weight gain and substituting
more than 20% decreased the feed conversion ratio in chickens. However, i f the lower AME value
of rye was compensated for by sunflower oil supplementation the tolerated level of rye in a maize
diet increased about threefold, corresponding to about 0.9% of dietary rye SAX. Similar results
were obtained when rye SAX preparation was added to a wheat diet. Reducing the dietary SAX
content to about 1.4% in the diets with rye hybrids, which were selected for better feeding quality,
resulted in a noticeable improvement of chick performance. The nutrition parameters obtained in
chickens fed the diets based on these hybrids were not significantly different as compared with
wheat diet and significantly better as compared with population rye diet containing about 2.07%
dietary SAX.
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