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The necessity for size grading prior to stocking in marron culture is not clear. In this study, production characteristics of marron of three size-graded groups (15.2, 78.3 and 157.6 g) and one mixed group were tested in 24 experimental cages (6x3x2 m) with six replicates for each treatment. After 258 days, mean weight of small marron in the graded group increased from 15.2 to 40.1 g, while small...
Effect of stocking density on growth, biomass increase and survival of postlarvae of Macrobrachium rosenbergii were evaluated in cages fixed inside an earthen pond. In the primary nursery phase, newly metamorphosed postlarvae (PL) were stocked for 20 days at densities of 2, 4, 6, 8 and 10 PLs l -1 . In the secondary phase (60 days), the densities tested were 100, 200, 300, 400, 600 and...
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