Endogenous chitinase might lead to differences in growth performance and intestinal health of piglets fed different levels of black soldier fly larva meal

Endogenous chitinase might lead to differences in growth performance and intestinal health of piglets fed different levels of black soldier fly larva meal

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Sujie Liu^a, Jian Wang^a, Longxian Li^a, Yonggai Duan^b, Xiaolin Zhang^b, Tenghao Wang^c, Jianjun Zang^a, Xiangshu Piao^a, Yongxi Ma^a, Defa Li^a^,^*

Animal Nutrition | 2023, 14(1) : 411 - 424

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Animal Nutrition | 2023, 14(1): 411-424

• Original Research Article •

Endogenous chitinase might lead to differences in growth performance and intestinal health of piglets fed different levels of black soldier fly larva meal

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Sujie Liu^a, Jian Wang^a, Longxian Li^a, Yonggai Duan^b, Xiaolin Zhang^b, Tenghao Wang^c, Jianjun Zang^a, Xiangshu Piao^a, Yongxi Ma^a, Defa Li^a^,^*

Affiliations

^aState Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China

^bBennong Agricultural Technology Co., Ltd., Zhengzhou, 450045, China

^cZhejiang Qinglian Food Co., Ltd, Jiaxing, 314399, China

Published: 2023-09-10 doi: 10.1016/j.aninu.2023.05.008

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Abstract

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This study aimed to investigate the effects of different levels of black soldier fly (BSF) replacing soybean meal (SBM) in diets on the performance and health condition of piglets. A total of 180 weaned piglets were allocated into 5 treatments: BSF0 (corn-soybean meal basal diet), BSF25 (BSF replacing 25% SBM), BSF50 (BSF replacing 50% SBM), BSF75 (BSF replacing 75% SBM) and BSF100 (BSF replacing 100% SBM). During the whole period, in comparison with BSF0, average daily gain (ADG) and average daily feed intake increased in the BSF25 and BSF50 groups, whereas ADG decreased in the BSF75 and BSF100 groups (P< 0.05). The result of quadratic fitting curve showed that piglets exhibited the highest ADG when BSF replaced around 20% SBM. Compared with BSF0, organic matter and dry matter digestibility improved in the BSF25 group, whereas ether extract digestibility decreased in the BSF100 group (P< 0.05). In comparison with BSF0, piglets from the BSF25 group showed a higher duodenal ratio of villus height to crypt depth, increased jejunal sucrase activity, serum neuropeptide Y and ghrelin levels, elevated ileal immunoglobulin (Ig) A, IgG and IgM contents and a lower leptin level, and piglets from the BSF100 group exhibited an increased relative weight of kidney (P< 0.05). However, no significant differences were observed in the expression level of tight junction proteins and chitin-degrading enzyme. Additionally, compared with BSF0, the abundance of short chain fatty acid producing bacteria such as Ruminococcaceae, Faecalibacterium and Butyricicoccus increased, and potential pathogenic bacteria decreased in piglets from the BSF25 group, whereas piglets from the BSF100 group had a greater abundance of harmful bacteria. In conclusion, BSF replacing 25% SBM in diets could improve digestive parameters, immune function and intestinal microbiota, and thus improved growth performance of piglets. However, BSF replacing 100% SBM showed an adverse effect on piglet performance, and the reason might be related to the limited amount of chitin-degrading enzyme.

Key words

Black soldier fly / Supplementation level / Endogenous chitinase / Gut microbiota / Weaned pigs

Cite this Article

Sujie Liu, Jian Wang, Longxian Li, Yonggai Duan, Xiaolin Zhang, Tenghao Wang, Jianjun Zang, Xiangshu Piao, Yongxi Ma, Defa Li. Endogenous chitinase might lead to differences in growth performance and intestinal health of piglets fed different levels of black soldier fly larva meal[J]. Animal Nutrition, 2023 , 14 (1) : 411 -424 . DOI: 10.1016/j.aninu.2023.05.008

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Year 2023 volume 14 Issue 1

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Article Info

doi: 10.1016/j.aninu.2023.05.008

Receive Date：2022-07-29
Online Date：2026-02-03
Published：2023-09-10

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History

Received：2022-07-29
Revised：2023-04-04
Accepted：2023-05-10

Affiliations

^aState Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China

^bBennong Agricultural Technology Co., Ltd., Zhengzhou, 450045, China

^cZhejiang Qinglian Food Co., Ltd, Jiaxing, 314399, China

Corresponding:

^* Corresponding author. E-mail address: defali@cau.edu.cn (D. Li).

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表12种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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