Feeding dietary non-starch polysaccharides supplemented with xylanase could improve the performance of broilers.

Autor:	Maniraguha V; Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea., Hong JS; Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea., Yu M; Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea., Oketch EO; Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea., Yi YJ; Department of Agricultural Education, College of Education, Suncheon National University, Suncheon 57922, Korea., Yun H; CJ CheilJedang BIO, Seoul 04560, Korea., Jayasena DD; Department of Animal Science, Uva Wellassa University of Sri Lanka, Badulla 90000, Sri Lanka., Heo JM; Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea.
Jazyk:	angličtina
Zdroj:	Journal of animal science and technology [J Anim Sci Technol] 2024 Sep; Vol. 66 (5), pp. 999-1009. Date of Electronic Publication: 2024 Sep 30.
DOI:	10.5187/jast.2023.e114
Abstrakt:	The impact of dietary non-starch polysaccharides (NSP) on performance and carcass traits of broilers fed wheat-bran substituted into corn-soybean meal-based diets supplemented with xylanase was investigated. A total of 280 (7-day-old) Ross 308 broilers were randomly allotted to one of five dietary treatments with 8 replicates, 7 chicks per pen. Treatments were; i) CON: Control diet, ii) CON-X (CON + 3,000 U/kg xylanase), iii) L-X: low NSP (2% wheat bran in CON + 3,000 U/kg xylanase), iv) M-X: medium NSP (4% wheat bran in CON + 3,000 U/kg xylanase), v) H-X: higher NSP (8% wheat bran in CON+ 3,000 U/kg xylanase). Birds fed the H-X diet increased (p < 0.05) daily gains, and average daily feed intake and had marginally improved body weights (p = 0.074) on day 35. Relatively, the H-X diet tended to increase the average daily gains (p = 0.053; p = 0.073) of birds during the grower phase (d 24-35) and the entire experimental period (d 8-35), respectively. Moreover, there were no significant differences among treatments in the feed conversion ratio of birds throughout the entire experiment period. Birds fed diets CON-X, L-X, and M-X had improved (p < 0.05) the ileal digestibility of energy on d 24 and 35 compared to those fed the H-X diet. Furthermore, birds fed diet CON-X improved (p < 0.05) N digestibility on d 24. Improved carcass moisture content and lowered crude fat of leg meat (p < 0.05) were noted in birds fed the diet M-X and H-X on d 35, respectively. The intestinal viscosity was reduced (p < 0.05) in xylanase-supplemented treatments CON-X, L-X, M-X, and H-X diets when compared to CON. Our results suggest that supplementing 3,000 U/kg xylanase in a higher NSP (8% wheat bran substituted level) diet could improve the intestinal viscosity and growth performance of broilers. Competing Interests: No potential conflict of interest relevant to this article was reported. (© Copyright 2024 Korean Society of Animal Science and Technology.)
Databáze:	MEDLINE
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