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Growth and physiological responses of juvenile amberjack (Seriola dumerili) fed pellet diets bound by different binders
Journal of the World Aquaculture Society ( IF 2.8 ) Pub Date : 2020-08-25 , DOI: 10.1111/jwas.12731
Saichiro Yokoyama 1 , Yuya Asada 1 , Manabu Ishikawa 1 , Shunsuke Koshio 1
Affiliation  

Appropriate binders have not yet been determined in pellet feed for amberjack Seriola dumerili juveniles. This study aimed to assess the influence of binders (activated gluten [AG], guar gum [GG], and carboxymethylcellulose [CMC]) on growth, feed ingestion, gastric emptying time (GET), digestibility, intestinal histology, body composition, and blood chemical constituents of amberjack juvenile. Dry pellets bound by supplementing different binders (3% AG, 2.5% AG combined with 0.5% GG [AG + GG], and 3% CMC) were fed to fish (mean body weight ± SD = 52.5 ± 0.6 g) for 30 days. After feeding, fish fed the AG diet exhibited growth, protein and dry matter digestibility, and feed utilization levels significantly (p < .05) higher than those of fish fed the AG + GG and CMC diets. Moreover, GET in fish fed the AG + GG and CMC diets were slower than those from fish in the AG group. These responses appeared to be associated with the viscosity of binders and diets. In fish fed the AG + GG and CMC diets, several blood indices were significantly (p < .05) lower than those in fish fed the AG diet. These results suggest that AG is a candidate binder in pellet feed for amberjack juvenile.

中文翻译:

不同粘合剂结合的少年fed鱼(Seriola dumerili)喂养的颗粒饲料的生长和生理反应

尚未确定黄a Seriola dumerili幼鱼的颗粒饲料中是否使用合适的粘合剂。这项研究旨在评估粘合剂(活化的面筋[AG],瓜尔豆胶[GG]和羧甲基纤维素[CMC])对生长,摄食,胃排空时间(GET),消化率,肠组织学,身体组成和mber鱼的血液化学成分。将通过补充不同粘合剂(3%AG,2.5%AG与0.5%GG [AG + GG]和3%CMC结合)结合的干颗粒喂食鱼(平均体重± SD = 52.5±0.6 g)30天。饲喂后,饲喂AG日粮的鱼显示出生长,蛋白质和干物质消化率,并且饲料利用率显着(p<.05)高于以AG + GG和CMC日粮喂养的鱼。此外,饲喂AG + GG和CMC日粮的鱼中的GET慢于AG组中的鱼。这些反应似乎与粘合剂和饮食的粘度有关。用AG + GG和CMC日粮喂养的鱼,其血液指数明显低于(p <.05)(用AG日粮喂养的鱼)。这些结果表明,AG是a鱼少年饲料中的候选结合剂。
更新日期:2020-08-25
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