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通过对两种规格的倒刺(Sp in ibarbus d enticu la tus)鱼苗在两种水温条件下进行耗氧率与窒息点测定,结果表明:平均体重(3.53±0.10)g的倒刺鱼苗在水温27.3~28.3°C和30.0~31.0°C时耗氧率分别为0.357 7 m g/(g.h)和0.319 9 m g/(g.h),窒息点分别为0.327 0 m g/L和0.313 1 m g/L;平均体重(7.62±0.11)g的倒刺鱼种在水温27.3~28.3°C和30.0~31.0°C耗氧率分别为0.281 9 m g/(g.h)和0.300 9 m g/(g.h),窒息点分别为0.365 9 m g/L和0.478 4 m g/L。倒刺鱼苗的耗氧率昼夜变化不明显,随着鱼体重的增加而降低,而窒息点则随体重的增加而增加。
Abstract：The oxygen consumption rate(OCR) and asphyxiation point(AP) of two sizes fingerling of Spinibarbus denticulatus were studies in two different temperatures.The results showed that the OCR and AP of fingerlingwithaverageBodyWeigh(BW)3.53(±0.10)g and 7.62(±0.11)g were0.3577mg/(g·h)and0.3270mg/L,0.281 9 mg/(g·h) and 0.365 9 mg/L respectively inthewatertemperatureof27.3~28.3 °C,while0.3199mg/(g·h)and0.3131mg/L, 0.300 9 mg/(g·h) and 0.478 4 mg/L respectively in the water temperature of 30.0~31.0 °C.There was little variation in the OCR between day and night.The OCR of the small size fingerling was significant higher than the large one.The AP of the small size fingerling was lower than the large one.
R eference literature倒刺Sp in ibarbus d enticu la tus 5.47 27.3~28.3 0.327 0[本研究T h is study]斑My stus gutta tus 4.47 26.0 0.304 0[9]黄颡鱼P elteobag rus fu lvd raco 7.16 28.5 0.208 0[11]鳙鱼A ristichthy snobilis 17~18 23.5 0.300 0[3]斑点叉尾Channel ca tf ish 2.11 28.3 0.520 0[2]鲤鱼Cyp rinus carp io 5.6~6.9 29.0 0.300 0~0.340 0[3]鲢鱼Hyp ophtha lm ichthy sm olitrix 10~13 23.0 0.790 0[3]青鱼My lopharyng od on p iceus 13~15 29.5 0.580 0[1]
六须鲶S ilurus g larus 3.99 29.3 0.883 5[1]参考文献:
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基本信息:
中图分类号:S917.4
引用信息:
[1]江林源.倒刺鲃鱼苗耗氧率与窒息点的研究[J].广西农业生物科学,2006(03):214-217.
基金信息:
广西科技攻关项目(桂科攻0228008A)
2006-09-30
2006-09-30