Article (Scientific journals)
Supplementation of multi-enzymes alone or combined with inactivated Lactobacillus benefits growth performance and gut microbiota in broilers fed wheat diets.
Gao, Qingtao; Wang, Yanchun; Li, Jiaheng et al.
2022In Frontiers in Microbiology, 13, p. 927932
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Keywords :
broilers; growth performance; inactivated Lactobacillus; microbiota; multi-enzymes; Microbiology; Microbiology (medical)
Abstract :
[en] The effects of multi-enzymes mixture supplementation or combination with inactivated Lactobacillus on growth performance, intestinal barrier, and cecal microbiota were investigated in broilers at the age of 15-42 days fed a wheat-based diet. A total of 576 broilers (12 broilers/cage; n = 12) were used and divided into four groups and randomly allotted to four experimental diets throughout grower (15-28 days of age) and finisher (29-42 days of age) phases. Diets consisted of a corn-soybean meal-based diet (BD), a wheat-soybean meal-based diet (WD), and WD supplemented multi-enzymes (WED) or combined with inactivated Lactobacillus (WEPD). The results showed that the average daily gain (ADG) and body weight (BW) were reduced in broilers fed WD diet compared with those fed BD diet during the grower period (P < 0.05). Broilers in the WED or WEPD group had higher ADG and BW during the grower period (P < 0.05) and had a lower feed-to-gain ratio (F/G) compared to broilers in the WD group during the grower and overall periods (P < 0.05). Improved expression of intestinal barrier genes (claudin-1, ZO-1, and mucin-2) was observed in WEPD compared to the BD or WD group (P < 0.05). Compared to the BD group, the WD group decreased the abundance of Oscillospira, norank_f__Erysipelotrichaceae, and Peptococcus, which are related to anti-inflammatory function and BW gain. The WD also increased Bifidobacterium and some short-chain fatty acid (SCFA)-producing bacteria (Anaerotruncus, Blautia, and Oscillibacter), and Barnesiella, which were presumed as "harmful microbes" [false discovery rate (FDR) < 0.05]. WED and WEPD groups, respectively, improved Bilophila and Eubacterium_hallii_group compared with those in the WD group (FDR < 0.05). In addition, the Enterococcus abundance was reduced in the WEPD group compared to the WD group (FDR < 0.05). Higher acetate and total SCFA concentrations were observed (P < 0.05) among broilers who received a WD diet. Compared with the WD group, the WED or WEPD group further increased cecal propionate content (P < 0.05) and tended to improve butyrate concentration. These results suggested that supplemental multi-enzymes alone and combined with inactivated Lactobacillus could improve the growth performance based on the wheat-based diet and offer additional protective effects on the intestinal barrier function of broilers.
Disciplines :
Animal production & animal husbandry
Author, co-author :
Gao, Qingtao;  State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Wang, Yanchun;  Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
Li, Jiaheng  ;  Université de Liège - ULiège > TERRA Research Centre ; State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Bai, Guosong;  State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Liu, Lei;  State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Zhong, Ruqing;  State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Ma, Teng;  State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Pan, Hongbin;  Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
Zhang, Hongfu;  State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Language :
English
Title :
Supplementation of multi-enzymes alone or combined with inactivated Lactobacillus benefits growth performance and gut microbiota in broilers fed wheat diets.
Publication date :
2022
Journal title :
Frontiers in Microbiology
eISSN :
1664-302X
Publisher :
Frontiers, Switzerland
Volume :
13
Pages :
927932
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This work was supported by the China Agriculture Research System of MOF and MARA (CARS-41) and the State Key Laboratory of Animal Nutrition (2004DA125184G2102).
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since 10 April 2025

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