金苹果螺（Pomacea canaliculata）肉粉作为中华绒螯蟹幼蟹替代蛋白质来源的潜力

IF 2.8 2区生物学 Q1 MARINE & FRESHWATER BIOLOGY

Frontiers in Marine Science Pub Date : 2025-04-30 DOI:10.3389/fmars.2025.1577956

Wenxiang Yao, Chunyan Zhang, Rui Jia, Sitong Zhao, Weibo Jiang, Guoan Hua, Sizhe Zhao, Apeng Lin, Jianguo Wang, Quan Wang

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引用次数: 0

摘要

本试验研究了金苹果螺肉粉（PCM）替代饲料中鱼粉（FM）对中华绒螯蟹幼蟹生长性能、非特异性免疫和肠道健康的影响。选取体重（2.39±0.03）g的中华绒螯蟹幼蟹400只，随机分为5组，每组20只，每组4个重复，分别投喂比例为0% （FM-20，含200 g/kg FM）、25% （FM-15）、50% （FM-10）、75% （FM-5）和100% （FM-0）的PCM替代鱼粉的饲料，为期8周。结果表明，FM-15和FM-10组的生长、全体组成、消化酶活性、抗氧化性能、非特异性免疫、肠道组织学和微生物群组成均达到与FM-20组相同的水平(P >；0.05)。当替代率达到75%时，FCR显著升高，周营养膜厚度显著降低(P<；0.05)。饲粮中添加100%鱼粉显著降低了生长性能、血清抗氧化和免疫酶活性、中肠褶皱高度、宽度和营养周膜厚度(P<；0.05)，并显著提高了肠道有害细菌弧菌的丰度(P<；0.05)。综上所述，PCM可有效替代饲粮中50% （100 g/kg）的鱼粉，对中华对虾幼鱼的生长性能、肠道健康、血清免疫和抗氧化指标均无负面影响。

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The potential of golden apple snail (Pomacea canaliculata) meat meal as an alternative protein source for juvenile Chinese mitten crab (Eriocheir sinensis)

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.

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来源期刊

Frontiers in Marine Science Agricultural and Biological Sciences-Aquatic Science

CiteScore

5.10

自引率

16.20%

发文量

2443

审稿时长

14 weeks

期刊介绍： Frontiers in Marine Science publishes rigorously peer-reviewed research that advances our understanding of all aspects of the environment, biology, ecosystem functioning and human interactions with the oceans. Field Chief Editor Carlos M. Duarte at King Abdullah University of Science and Technology Thuwal is supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, policy makers and the public worldwide. With the human population predicted to reach 9 billion people by 2050, it is clear that traditional land resources will not suffice to meet the demand for food or energy, required to support high-quality livelihoods. As a result, the oceans are emerging as a source of untapped assets, with new innovative industries, such as aquaculture, marine biotechnology, marine energy and deep-sea mining growing rapidly under a new era characterized by rapid growth of a blue, ocean-based economy. The sustainability of the blue economy is closely dependent on our knowledge about how to mitigate the impacts of the multiple pressures on the ocean ecosystem associated with the increased scale and diversification of industry operations in the ocean and global human pressures on the environment. Therefore, Frontiers in Marine Science particularly welcomes the communication of research outcomes addressing ocean-based solutions for the emerging challenges, including improved forecasting and observational capacities, understanding biodiversity and ecosystem problems, locally and globally, effective management strategies to maintain ocean health, and an improved capacity to sustainably derive resources from the oceans.