1. Growth performance, digestion and metabolism to fish meal replacement by rice protein concentrate in Chinese soft-shelled turtle Pelodiscus sinensis
- Author
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Wan-Cun Cai, Kai-Zhou Wang, Wen-Bin Liu, Wei-Na Xu, Guang-Zhen Jiang, Yu Qian, Xiang-Fei Li, Ding-Dong Zhang, and Cun-Xin Sun
- Subjects
0301 basic medicine ,biology ,Lysine ,Pelodiscus ,04 agricultural and veterinary sciences ,Metabolism ,Aquatic Science ,biology.organism_classification ,03 medical and health sciences ,030104 developmental biology ,Fish meal ,Nutrient ,Rice protein ,040102 fisheries ,0401 agriculture, forestry, and fisheries ,Composition (visual arts) ,Food science ,Digestion - Abstract
An 8-week feeding trial was conducted to evaluate growth performance, whole-body composition, metabolism and digestion of Chinese soft-shelled turtle Pelodiscus sinensis fed with fish meal replacement by rice protein concentrate and squid paste supplementation diets. Three isonitrogenous and isoenergetic practical diets were formulated with the inclusion of 60% fishmeal (CT), 42% fish meal +18% rice protein concentrate (RP) and 42% fish meal +18% rice protein concentrate +1% squid paste (feeding attractant) (RPS), respectively. Microcapsule lysine was supplemented in RP and RPS diets to balance the amino acid profile. Turtles (initial weight 30.65 g) were fed thrice (6:00, 12:00 and 18:00) daily to apparent satiation. The results showed that growth performance in RP group showed no significant difference with that in CT group ( P > .05). In addition, daily squid paste supplementation significantly improved growth performance, nutrients retention and relative feed intake ( P P Pelodiscus sinensis with microcapsule lysine supplementation. Besides, diet with squid paste inclusion could improve feed intake and growth performance of Pelodiscus sinensis .
- Published
- 2018