2020
DOI: 10.18361/2176-8366/rara.v12n1p108-121
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FREQUÊNCIA ALIMENTAR PARA TAMBAQUIS Colossoma macropomum (CUVIER, 1818) CULTIVADOS EM UM CENTRO DE PESQUISA AMAZÔNICO

Abstract: O objetivo do trabalho foi avaliar a melhor frequência alimentar sobre a conversão alimentar aparente e o desempenho zootécnico de juvenis de tambaqui de cultivo. O estudo foi desenvolvido no Centro de Pesquisa em Piscicultura Carlos Eduardo Matiazze, Universidade Federal de Rondônia, Presidente Médici, Rondônia. Foram utilizados 225 juvenis de tambaqui, com peso inicial 595,46±19,71 g, distribuídos em 15 hapas em delineamento inteiramente casualizado. O estudo foi desenvolvido em cinco tratamentos de diferent… Show more

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“…The intestinal mucosa is fundamental in the digestive, absorptive and metabolic processes in teleost fish (CASPARY, 1992) and, for digestion and absorption of nutrients from the diet, an efficient area of the intestinal lumen is necessary, with high villi and mature enterocytes (ZAPELLON, 2015;CAVALI et al, 2020). Thus, the intestinal mucosa maximizes the digestive process and represents an extensive area of digestion and absorption of nutrients (MACARI;MAIORKA, 2000), the height of the villi being directly proportional to the absorption area.…”
Section: Discussionmentioning
confidence: 99%
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“…The intestinal mucosa is fundamental in the digestive, absorptive and metabolic processes in teleost fish (CASPARY, 1992) and, for digestion and absorption of nutrients from the diet, an efficient area of the intestinal lumen is necessary, with high villi and mature enterocytes (ZAPELLON, 2015;CAVALI et al, 2020). Thus, the intestinal mucosa maximizes the digestive process and represents an extensive area of digestion and absorption of nutrients (MACARI;MAIORKA, 2000), the height of the villi being directly proportional to the absorption area.…”
Section: Discussionmentioning
confidence: 99%
“…Basic knowledge of the digestive physiology of fish is essential for the development of diets that meet the nutritional requirements of cultivated species and adequate food management (RODRIGUES, 2014;PORTO et al, 2020). However, there is little information available in the literature involving the morphophysiology of the digestive system of fish, especially in native species of tropical climate (FERREIRA et al, 2014).…”
Section: Discussionmentioning
confidence: 99%
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“…The balanced foods are essential for the success of commercialization, however the costs of captive feeding, depending on the managed production system, can reach 80% of the total costs (Martins et al, 2020;Porto et al, 2020;. In this sense, it is important to carry out evaluations of zootechnical indexes, mainly with regard to feed conversion and carcass yields (Cavali et al, 2020).…”
Section: Introductionmentioning
confidence: 99%