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LI Hua-hua, WU Li-xin**, JIANG Zhi-qiang, A Rong, CHEN Wei, LI Hong-yu, DONG Yi-yi
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Abstract: Taking juvenile Scophthalmus maximus (initial wet weight 7.56±0.03 g) as test object, an experiment was conducted on its growth and biochemical components under effects of different ration level (1.0%, 1.5%, 2.0%, and satiation) and feeding frequency (once a day, twice a day, and three times a day) at 17-19 ℃. With increasing ration level, the juvenile final weight, relative rate of body weight gain, and feeding rate all increased significantly (P<0.05). The specific growth rate had a linear increase with ration level; the feed conversion efficiency in wet weight, dry matter, protein, and energy decreased after an initial increase with increasing ration level; whereas the juvenile biochemical components and the apparent digestibility among groups were less affected by ration level (P>0.05). With increasing feeding frequency, the juvenile final weight, relative rate of body weight gain, specific growth rate, and feed conversion efficiency decreased after an initial increase, with the maximum at the feeding frequency of twice a day. No significant differences were observed in the apparent digestibility and biochemical composition among different feeding frequencies (P>0.05).
Key words: camera trap, artificial nest, nest predation, Syrmaticus reevesii.
LI Hua-hua, WU Li-xin**, JIANG Zhi-qiang, A Rong, CHEN Wei, LI Hong-yu, DONG Yi-yi. Effects of ration level and feeding frequency on the growth and biochemical components of juvenile turbot (Scophthalmus maximus).[J]. cje.
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URL: https://www.cje.net.cn/EN/abstract/abstract20592.shtml
https://www.cje.net.cn/EN/Y2013/V32/I7/1844