Evaluation of culture densities of fingerlings of gamitana (Colossoma macropomum) under Ras system in the Peruvian Amazon
DOI:
https://doi.org/10.56926/repia.v1i1.8Keywords:
biometrics, crop, fish production, sowing, breeding systemsAbstract
The objective of the research was to determine the most optimal stocking density in the culture of fingerlings of gamitana (Colossoma macropomum) cultivated in a RAS system. Sowing was carried out in four geomembrane tanks (Tq) of 40 m3 capacity with densities Tq1 = 20, Tq2 = 40, Tq3 = 50 and Tq4 = 60 fingerlings/m3; Commercial food with 30% protein was supplied, which was reduced according to its nutritional requirement and biomass control for a period of 4 months, where biometrics (weight, height) were evaluated. The results of growth in average weight and length were Tq1 (115.24 and 7.5), Tq2 (100.82 and 7.14) and Tq3 (101.92 and 7.22) and Tq4 (79.62 and 6 .42) measured in centimeters and grams; the hematological profile shows a greater presence of glucose in Tq4; cholesterol and triglycerides in Tq2; and the proximal analysis indicates that crude protein and fat were (48.51 and 30.78) in Tq1 and Tq3 respectively. We conclude that Tq1 obtained better values in weight, length and the lowest seeding density, presenting a better percentage of protein and fat.
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Copyright (c) 2022 Magno Rosendo Reyes-Bedriñana, Marco Antonio Mathios-Flores, José Virgilio Aguilar-Vásquez, Oscar Alejandro Tuesta-Hidalgo, Juan Carlos Tuesta-Hidalgo, Juvenal Napuchi-Linares
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