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首页> 外文期刊>Indian Journal of Fisheries >Evaluation of growth performance and compatibility of Labeo fimbriatus (Bloch, 1795) with major carps in polyculture system
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Evaluation of growth performance and compatibility of Labeo fimbriatus (Bloch, 1795) with major carps in polyculture system

机译：评估Labeo fimbriatus（Bloch，1795）与混养系统中主要鲤鱼的生长性能和相容性

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摘要

Growth performance and compatibility of Labeo fimbriatus were studied in a yearlong experimental trial of grow - out carp polyculture in earthen ponds. At a combined stocking density of 7500 fingerlings ha(-1), the three different species combinations evaluated were: T1 (Control): catla, silver carp, rohu and mrigal at 0.5:0.5:1:1; T2: catla, silver carp, rohu and L. fimbriatus at 0.5:0.5:1:1 and T3: catla, silver carp, mrigal and L. fimbriatus at 0.5:0.5:1: 1. Incorporation of L. fimbriatus into the carp polyculture system did not affect survival of any other carp irrespective of species combination. However, except silver carp, growth of all other species were affected by the species combination. While silver carp and catla showed similar growth in T1 and T2, harvested size of L. fimbriatus in T2 was 30% less than mrigal in T1. The 11.4% lower growth (p<0.09) of L. fimbriatus in presence of mrigal in T3 compared to its counterpart in T2, in absence of the latter, suggested existence of inter-specific competition between the two species in T3. Such results suggested feasibility of incorporating L. fimbriatus as an alternative species to mrigal in the major carp based polyculture system without affecting the total biomass yield.
机译：在为期一年的土池鲤鱼混养养殖实验中，研究了Labeo fimbriatus的生长性能和相容性。在7500种鱼种ha（-1）的总放养密度下，评估的三种不同物种组合为：T1（对照）：catla，silver鱼，rohu和mrigal（0.5：0.5：1：1）; T2：以0.5：0.5：1：1的比目鱼，silver鱼，胭脂鱼和纤毛L.和T3：以0.5：0.5：1：1的方式以Catala，silver鱼，沙蚕和纤毛虫为例。将L. fimbriatus掺入鲤鱼混养系统不影响任何其他鲤鱼的生存，无论其物种组合如何。但是，除了silver鱼，其他所有物种的生长都受到物种组合的影响。虽然silver鱼和卡塔拉鱼在T1和T2中显示出相似的增长，但T2中的菌毛收获量比T1中的桑rig少30％。与不存在后者的T2相比，在存在T3的桑塔氏菌存在下，纤毛乳杆菌的生长降低了11.4％（p <0.09），这表明在T3中这两个物种之间存在种间竞争。这样的结果表明，在主要的基于鲤鱼的混养系统中，将纤毛乳杆菌作为泥rig的替代物种并入，而不影响总生物量的可行性。

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