Effect of Broussonetia papyrifera leaf meal on growth performance, antioxidant capacity, and gut health status of growing rabbits

Kunliang Han, Bang Zhang and Yan Cui
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Kunliang Han: Department of Animal Science, Gansu Agricultural University, Lanzhou, P.R. China
Bang Zhang: Department of Animal Science, Henan University of Science and Technology, Luoyang, P.R. China
Yan Cui: Department of Animal Science, Gansu Agricultural University, Lanzhou, P.R. China

Czech Journal of Animal Science, 2023, vol. 68, issue 2, 87-97

Abstract: This experiment aimed to study the effect of Broussonetia papyrifera leaf meal (BP) on the growth performance, antioxidant capacity, intestinal permeability, and caecal microbiota of growing rabbits. A total of 240 weaned Ira male rabbits were randomly divided into four groups with six replicates of 10 rabbits each. The BP was added at 0% (CON), 3.0% (BP3), 6.0% (BP6), and 9.0% (BP9). All diets were isoenergetic, isonitrogenous, and isofibrous. The feeding trial lasted for 28 days. The results showed that adding BP had no significant effect on the growth performance of rabbits. Compared with the CON group, groups BP6 and BP9 showed the reduced serum diamine oxidase content (P < 0.01). The jejunal secretory immunoglobulin A content in BP6 was higher than in the CON group (P < 0.01). The addition of BP had no significant effect on the jejunal antioxidant capacity. The BP9 increased the abundance of the caecal Firmicutes; BP3 and BP6 increased Bacteroidota; BP6 and BP9 increased Proteobacteria (P < 0.05). It is concluded that the BP can be used as a roughage source to reduce intestinal toxic markers, improve the intestinal immune function and the abundance of caecal microflora in growing rabbits.

Keywords: caecal microflora; intestinal permeability; secretory immunoglobulin A (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:68:y:2023:i:2:id:146-2022-cjas

DOI: 10.17221/146/2022-CJAS

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