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An alternative fish feed based on earthworm and fruit meals. Repositório Alice
CHAVES, R. C.; PAULA, R. Q. de; GÜCKER, B.; MARRIEL, I. E.; TEIXEIRA, A. O.; BOËCHAT, I. G..
(An alternative fish feed based on earthworm and fruit meals for tilapia and carp postlarvae). The search for alternative protein and lipid sources in the nutrition of aquatic organisms in captivity is extremely important for sustainability and ecosystem preservation. We investigated the potential of a new alternative fish feed based on fruits and earthworm and soybean meals for the nutrition of postlarvae of two high-value fish species cultivated worldwide, Nile tilapia (Oreochromis niloticus L.) and common carp (Cyprinus carpio L.). ostlarvae fed the alternative diet exhibited growth and weight gain similar to those fed a commercial fishmeal-based feed. Although concentrations of minerals and total protein were higher in the commercial than in the...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Aquicultura; Alevino; Nutrição; Piscicultura; Aquaculture; Postlarvae; Fish production.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1054024
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Energy balance of Litopenaeus vannamei postlarvae fed on animal or vegetable protein based compounded feeds ArchiMer
Jimenez Yan, L; Brito, A; Cuzon, Gerard; Gaxiola, G; Garcia, T; Taboada, G; Soto, L; Brito, R.
L. vannamei postlarvae are normally raised with a protein dense diet (50% protein) rich in fishmeal. Part of the protein is utilized for energy purpose instead of protein synthesis. Based on a previous energy partitioning study, the effects of two isoenergetic compounded feed treatments - animal protein (AP) and vegetable protein and carbohydrates (VPC) - upon growth efficiency and energy budget of shrimp postlarvae and early juveniles were determined. Recovered energy (RE) or production (P) after 50 days trial was similar (2 J day(-1)) in both treatments, from PL14 to PL19. However, early juveniles discriminated between animal protein (116 J day(-1)) and vegetable protein and carbohydrates (88 J day(-1)). The difference in respiration indicated a higher...
Tipo: Text Palavras-chave: Shrimp; Physiology; Vegetable protein; Animal protein; Energy; Juvenile; Postlarvae.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-1879.pdf
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Modélisation de la résistance aux chocs de salinité des postlarves de Penaeus vannamei ArchiMer
Aquacop, Aquacop; Le Moullac, Gilles; Damez, D.
The notion of penaeid shrimp postlarvae quality, which implies a survival potential, is still a subjective parameter. The zootechnical criteria and the visual observations are not sufficient to evaluate the physiological condition of the hatchery reared postlarvae. The resistance of postlarvae to salinity shocks is a representative criteria of their condition. The goal of this study is to present a non-linear regression model at 2 variables (size, salinity) for the P. vannamei postlarvae resistance to salinity shocks. Between the second and the twentieth day after metamorphosis; 5 salinity shocks (20, 15, 10, 5 and 20/00) were tested daily, each one with 50 postlarvae. Survival rates were recorded after 2 hrs. Concurrently, the postlarvae growth in the...
Tipo: Text Palavras-chave: Salinity; Resistance; Growth; Postlarvae; Penaeus vannamei; Salinité; Résistance; Croissance; Postlarve; Penaeus vannamei.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/publication-4430.pdf
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