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Nutritive Value of Barley Radicles: Influence Upon Broiler Growth Performance, Gut Function, and Litter Quality

Document Type : Research Paper

Authors

1 Department of Animal Science, Shahrekord University, Shahrekord, Iran

2 Department of animal science Shahrekord University Shahrekord Iran

3 Department of Animal Science, Razi University, Kermanshah, Iran

4 Department of Plant Breeding and Biotechnology, Shahrekord University, Shahrekord, Iran

Abstract

In the present study, a total of 336 one-day-old broiler chickens (Ross 308 strain) were used in a completely randomized design with four treatments to evaluate the effects of barley rootlets (BR) as a feedstuff in broiler nutrition. Dietary treatments consisted of a control group based on corn and soybean meal, along with three additional treatments, similar to the control but including 1.5, 3.0, and 4.5% BR. Feeding diets containing BR impaired broiler growth performance as reflected in poor feed conversion ratio and body weight gain. Inclusion of BR at 4.5% significantly increased digesta viscosity in jejunum and reduced the villus height to crypt depth ratio with concomitant increase in the moisture content of the litter. In conclusion, the use of BR can be limited up to 1.5% and the levels above that impair broiler response. Poor growth performance resulting from BR was associated with reduced feed consumption, increased viscosity of intestinal contents, and reduced villus height to crypt depth ratio. Levels of BR above 4.5% caused poor litter quality as indicated by higher moisture content in the litter.

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References
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Research Journal of Livestock Science
Volume 37, Issue 145
March 2025
Pages 91-102
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