ORIGINAL RESEARCH article
Front. Mar. Sci.
Sec. Aquatic Physiology
Volume 12 - 2025 | doi: 10.3389/fmars.2025.1577956
This article is part of the Research TopicNutritional Metabolism and Immunity of Aquatic AnimalsView all 9 articles
The potential of golden apple snail (Pomacea canaliculata) meat meal as an alternative protein source for juvenile Chinese mitten crab (Eriocheir sinensis)
Provisionally accepted
Wenxiang Yao1*
Chunyan Zhang1Rui Jia1,2Sitong Zhao1Weibo Jiang1Guoan Hua3Sizhe Zhao3Apeng Lin1Jianguo Wang1Quan Wang1- 1Jiangsu Agri-animal Husbandry Vocational College, Taizhou, China
- 2Jiangsu Ocean Universiity, Lianyungang, China
- 3Jiangsu Haorun Biological Industry Group Co., Ltd., Taizhou, China, Taizhou, China
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This study investigated the effects of replacing dietary fish meal (FM) with golden apple snail (Pomacea canaliculata) meat meal (PCM) on growth performance, non-specific immunity and intestinal health of juvenile Chinese mitten crab (Eriocheir sinensis). Four hundred juvenile Chinese mitten crabs (2.39 ± 0.03) g were randomly distributed into five groups in quadruplicate (20 crabs per tank), and each group was fed with diets that replaced FM with PCM at 0% (FM-20, containing 200 g/kg FM), 25% (FM-15), 50% (FM-10), 75% (FM-5), and 100% (FM-0) for 8 weeks, respectively. The results showed that the growth, whole body composition, digestive enzyme activities, antioxidant performance, non-specific immunity, intestinal histology and microbiota composition of FM-15 and FM-10 groups all reached the same level as the FM-20 group (P > 0.05). While the replacement ratio reached 75%, the FCR was significantly increased and the peritrophic membrane thickness was significantly decreased (P < 0.05). When 100% FM was replaced, significantly decreased the growth performance, serum antioxidant and immune enzyme activities, mid-intestine folds height, width and the peritrophic membrane thickness (P < 0.05), and significantly increased the abundance of intestinal harmful bacteria Vibrio (P < 0.05). In conclusion, PCM can effectively replace 50% dietary FM (100 g/kg) without negative effects on the growth performance, intestinal health, serum immune, and antioxidant indexes of juvenile E. sinensis.
Keywords: Eriocheir sinensis, Pomacea canaliculata, growth performance, Non-specific immunity, antioxidant, Intestinal health
Received: 17 Feb 2025; Accepted: 09 Apr 2025.
Copyright: © 2025 Yao, Zhang, Jia, Zhao, Jiang, Hua, Zhao, Lin, Wang and Wang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Wenxiang Yao, Jiangsu Agri-animal Husbandry Vocational College, Taizhou, China
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