不同天然双壳类饲料对三角帆海棠幼鱼生长性能和营养成分的影响

IF 3.2 2区农林科学 Q1 FISHERIES

Aquaculture Reports Pub Date : 2025-05-16 DOI:10.1016/j.aqrep.2025.102873

Yongxin Sun , Shanshan Zhang , Liang Qu , Hualin Li , Weiming Teng , Dacheng Li , Chong Zhao , Qingzhi Wang

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引用次数: 0

摘要

通过为期四周的饲养试验，为三角帆关节炎（neptune arthrotica cumingii）幼鱼的生长寻找合适的天然双壳类饲料。本试验旨在评价不同双壳类对幼螺生长性能和营养成分的影响。试验用钉螺平均体重为0.48 ± 0.05 g。被测双壳类包括缢蛏、膜藻、长牡蛎、水蛭、菲律宾Ruditapes philippinarum和三角帆蚌。结果表明，除C. gigas组外，其余各组的存活率均为100% %。以缢蛏为饵料的幼螺最终体重和特定生长率最高，显著高于C. gigas、M. yessoensis和H. cumingii组（P <； 0.05），饵料转化率最低。消化酶活性方面，菲律宾紫菜组胃蛋白酶和淀粉酶活性显著高于其他各组（P <； 0.05），豆荚紫菜组脂肪酶活性最高。相关分析表明，与叶氏分枝杆菌（M. yessoensis）饲养的cumingn . arthritis幼鱼的软组织与扇贝中存在的7种氨基酸具有很强的相关性。同样，以缢蛏为食的幼螺的软组织与蛤中发现的7种多不饱和脂肪酸有很强的相关性。在试验的六种天然饲料中，基于饲料利用率、生长性能和营养增强，推荐缢蛏作为cumingibtica幼鱼较好的天然双壳类饲料。

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Effects of different natural bivalve diets on the growth performance and nutritional composition of juvenile Neptunea arthritica cumingii

A four-week feeding trial was conducted to identify suitable natural bivalve diets for the growth of juvenile Neptunea arthritica cumingii. The trial aimed to evaluate the effects of various bivalve species on the growth performance and nutritional composition of the juvenile snails. The snails used in the trial had an average weight of 0.48 ± 0.05 g. The tested bivalve species included Sinonovacula constricta, Mactra membranacea, Crassostrea gigas, Mizuhopecten yessoensis, Ruditapes philippinarum, and Hyriopsis cumingii. The results indicated that, except for the C. gigas group, all other groups achieved a survival rate of 100 %. The juvenile snails fed with S. constricta exhibited the highest final body weight and specific growth rate, significantly surpassing those in the C. gigas, M. yessoensis, and H. cumingii groups (P < 0.05), with the lowest feed conversion ratio observed in the S. constricta group. In terms of digestive enzyme activity, the R. philippinarum group showed significantly higher gastric protease and amylase activities compared to the other groups (P < 0.05), while the H. cumingii group had the highest lipase activity among all groups. Correlation analysis revealed that the soft tissue of juvenile N. arthritica cumingii fed with M. yessoensis exhibited a very strong correlation with seven amino acids present in the scallops. Similarly, the soft tissue of juvenile whelks fed with S. constricta showed a very strong correlation with seven polyunsaturated fatty acids found in the clams. Among the six natural diets tested, measures of S. constricta is recommended as a superior natural bivalve diet for juvenile N. arthritica cumingii, based upon feed utilization, growth performance, and nutritional enhancement.

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来源期刊

Aquaculture Reports Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

5.90

自引率

8.10%

发文量

469

审稿时长

77 days

期刊介绍： Aquaculture Reports will publish original research papers and reviews documenting outstanding science with a regional context and focus, answering the need for high quality information on novel species, systems and regions in emerging areas of aquaculture research and development, such as integrated multi-trophic aquaculture, urban aquaculture, ornamental, unfed aquaculture, offshore aquaculture and others. Papers having industry research as priority and encompassing product development research or current industry practice are encouraged.