Dietary probiotic Lacticaseibacillus paracasei NSMJ56 modulates gut immunity and microbiota in laying hens.

Autor:	Kim YB; Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea; Animal Nutrition and Physiology Division, National Institute of Animal Science, Rural Development Administration (NIAS-RDA), Wanju 55365, South Korea., Park J; Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea., Lee HG; Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea., Song JY; Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea., Kim DH; Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea., Ji W; Department of Animal Science, College of Natural Resource & Life Sciences, Pusan National University, Miryang 50463, South Korea., Joo SS; Department of Animal Science, College of Natural Resource & Life Sciences, Pusan National University, Miryang 50463, South Korea., Kim M; Department of Animal Science, College of Natural Resource & Life Sciences, Pusan National University, Miryang 50463, South Korea; Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, South Korea; Institute for Future Earth, JYS Institute for Basic Science, Pusan National University, Busan 46241, South Korea., Jung JY; Biological Resources Research Department, Nakdonggang National Institute of Biological Resources (NNIBR), Sangju 37242, South Korea., Kim M; Animal Nutrition and Physiology Division, National Institute of Animal Science, Rural Development Administration (NIAS-RDA), Wanju 55365, South Korea., Lee KW; Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea. Electronic address: kyungwoolee@konkuk.ac.kr.
Jazyk:	angličtina
Zdroj:	Poultry science [Poult Sci] 2024 Apr; Vol. 103 (4), pp. 103505. Date of Electronic Publication: 2024 Feb 02.
DOI:	10.1016/j.psj.2024.103505
Abstrakt:	This study was performed to investigate supplementary effects of probiotic Lacticaseibacillus paracasei NSMJ56 strain on laying performance, egg quality, intestinal histology, antioxidant status, gut immunity and microbiota in laying hens. A total of ninety-six 21-wk-old Hy-Line Brown laying hens were randomly subjected to one of 2 dietary treatments: a control group fed a non-supplemented diet, or a probiotic group fed with a diet supplemented with 1 g of Lacticaseibacillus paracasei NSMJ56 (5 × 10 8 CFU/kg of diet). The trial lasted for 4 wk. Egg weight was increased (P < 0.05) in laying hens fed probiotic-fed diet compared with the control group. Dietary probiotics did not affect egg quality except for Haugh unit, which was improved (P < 0.05) in the probiotic-fed group. Neither jejunal histology nor cecal short-chain fatty acids were affected by dietary treatments. Dietary probiotics increased the activity of catalase compared with the control group. Flow cytometry analysis revealed that dietary probiotics elevated the CD4 + T cells, but not CD8 + T cells, in jejunal lamina propria. Based on the LEfSe analysis at the phylum and genus levels, Erysipelotrichales, Erysipelotrichia, Flintibater, Dielma, Hespellia, Coprobacter, Roseburia, Anaerotignum, and Coprococcus were enriched in the probiotic group compared with the control group. Taken together, our study showed that dietary probiotics could be used to improve some parameters associated with egg freshness and antioxidant capacity, and to partially alter T cell population and microbial community in laying hens. (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)
Databáze:	MEDLINE
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