نتایج جستجو برای: Severum (Heros Severus)
تعداد نتایج: 305 فیلتر نتایج به سال:
Skeletal deformities cause severe economic losses in the aquaculture industry due to the reduced market value of the affected fish. The banded cichlid (Heros severus) is an ornamental cichlid native to the Amazon region. In the summer 2011 during clinical investigation on 750 severum of 5 ornamental fish farms in Karaj and Tehran, Iran, a two-year-old severum having deformity in dorsal and anal...
The present study aimed to assess the potential substitution of Artemia franciscana nauplii with Moina minuta neonates as initial feed for angelfish (Pterophyllum scalare) and severum (Heros severus), evaluating fish growth performance, live food cost, intestinal histomorphometry. To achieve this goal, two separate experiments were carried out each species during 20 days, using 200 postlarvae. ...
Evaluating the effect of dietary soybean oil (S.O) on growth performances of juvenile ornamental fish Severum (Heros severus) was the main objective of this study. To achieve this objective, 462 fish were considered which were divided into 7 test groups including 6 groups of fishes (with an initial average weight of 0.6 ± 0.05 g and length of 2.3±0.35 cm) fed diets containing 6 levels of S.O (D...
Evaluating the effect of dietary soybean oil (S.O) on growth performances of juvenile ornamental fish Severum (Heros severus) was the main objective of this study. To achieve this objective, 462 fish were considered which were divided into 7 test groups including 6 groups of fishes (with an initial average weight of 0.6 ± 0.05 g and length of 2.3±0.35 cm) fed diets containing 6 levels of S.O (D...
Two experiments to determine the crude protein (CP) requirement of Heros severus were performed. Five isocaloric (3,200 kcal kg−1 digestible energy) diets containing five levels CP (28, 32, 36, 40, and 44%) evaluated. In first, 75 fingerlings distributed among 15 aquaria (30 L). second experiment, 100 juveniles 20 (50 A quadratic effect on weight gain, specific growth rate for length, feed inta...
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