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Weaning Chinese perch Siniperca chuatsi (Basilewsky) onto artificial diets based upon its specific sensory modality in feeding
Liang, XF; Oku, H; Ogata, HY; Liu, J; He, X; Liang, XF, Jinan Univ, Dept Biol, Guangzhou 510632, Peoples R China
2001
Conference Name9th International Symposium on Feeding and Nutrition in Fish
Source PublicationAQUACULTURE RESEARCH
Pages76-82
Conference DateMAY 21-25, 2000
Conference PlaceMIYAZAKI, JAPAN
DepartmentJinan Univ, Dept Biol, Guangzhou 510632, Peoples R China; Natl Res Inst Aquaculture, Nansei, Mie 5160193, Japan; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Inst Reservoir Fisheries, Wuhan 430079, Peoples R China
AbstractChinese perch are one of the most valuable food fish in China, but the sole source of feed for intensive Culture is live prey fish. Our previous studies on systematic sensory physiology revealed that this species have a mechanism for this peculiar feeding habit. In the present study, a specific training procedure was designed, and both experimental (initial body weight 171,0 g: 120 days) and commercial (initial body weight 52.4 g: 240 days) net-cage cultures were conducted to investigate the training success, growth performance and survival of the trained yearlings fed with nonlive or Oregon-type moist diet. The training successes of minced prey fish and the Oregon moist diet were 100 and 89.9%, respectively, in experimental culture, and 92.2 and 83.5% in commercial culture, In an experimental trial, the fish fed minced prey fish or the Oregon moist diet attained final body weights of 472.7 g or 344.7 g, although the specific growth rates of these groups were significantly lower than that of the fish fed live prey fish (final body weight 560.0 g). Mortality was not significantly related to dietary treatment. In commercial culture, the final body weights were as follows: 750 g on live prey fish, 705 g on minced prey fish and 651 g on the Oregon moist diet. Feed costs to produce 1 kg Fish were estimated to be US$6.59 for live prey fish, US$1.76 for minced prey fish and US$2.07 for the Oregon moist diet. The results of the present study confirmed that sensory modality and associative learning appear to be critical factors in determining food discrimination of Chinese perch, indicating that both minced trash fish and Oregon-type moist diet can be substituted for live prey fish in intensive commercial production.
KeywordChinese Perch Diets Feeding Growth Sensory Modality Siniperca Chuatsi
Indexed BySCI
Language英语
WOS IDWOS:000173937400013
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Document Type会议论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/11831
Collection会议论文
Corresponding AuthorLiang, XF, Jinan Univ, Dept Biol, Guangzhou 510632, Peoples R China
Recommended Citation
GB/T 7714
Liang, XF,Oku, H,Ogata, HY,et al. Weaning Chinese perch Siniperca chuatsi (Basilewsky) onto artificial diets based upon its specific sensory modality in feeding[C],2001:76-82.
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