Protease exógena em dietas para juvenis de tucunaré-paca (Cichla sp.)

Neste experimento foi analisada a atividade enzimática da protease exógena nos tratos digestórios dos peixes e, posteriormente, o desempenho zootécnico dos juvenis de tucunaré-paca (Cichla sp.) por intermédio da inclusão de três níveis de protease exógena na dieta com 40% proteína bruta mais a dieta...

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Veröffentlicht in:Revista brasileira de zootecnia 2008-06, Vol.37 (6), p.971-976
Hauptverfasser: Soares, Emerson Carlos, Pereira Filho, Manoel, Roubach, Rodrigo, Silva, Renato Carlos Soares e
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Pereira Filho, Manoel
Roubach, Rodrigo
Silva, Renato Carlos Soares e
description Neste experimento foi analisada a atividade enzimática da protease exógena nos tratos digestórios dos peixes e, posteriormente, o desempenho zootécnico dos juvenis de tucunaré-paca (Cichla sp.) por intermédio da inclusão de três níveis de protease exógena na dieta com 40% proteína bruta mais a dieta controle. Para avaliar o melhor nível de inclusão de enzimas, foram elaboradas quatro dietas em forma de peletes com quatro níveis de inclusão de protease exógena (0,00; 0,05; 0,10 e 0,15%), em um delineamento inteiramente casualisado (fatorial 4 × 4). Os melhores resultados de ganho de peso, conversão alimentar e crescimento específico em peso foram apresentados pelos animais alimentados com a dieta contendo 0,10% de protease exógena. Concluiu-se que a enzima protease exógena adicionada à dieta influenciou os parâmetros corpóreos dos juvenis de tucunaré-paca. This experiment analyzed the enzymatic activity of the exogenous protease in the fish digestive tract and, afterwards, it was also evaluated the growth performance of tucunaré paca (Cichla sp.) juvenile by the addition of four exogenous protease levels to a control diet with 40% CP. To evaluate the best enzyme inclusion level, four pelleted diets were elaborated with the following exogenous protease levels (0.00, 0.05, 0.10 and 0.15%), in a completely randomized design in a 4 × 4 factorial arrangement. The best results of average weight gain, feed conversion ratio, and weight specific growth rate were showed by the animals fed with diet containing 0.10% of exogenous protease. The exogenous protease enzyme added to the diet affected the body characteristics of tucunaré paca juvenile.
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To evaluate the best enzyme inclusion level, four pelleted diets were elaborated with the following exogenous protease levels (0.00, 0.05, 0.10 and 0.15%), in a completely randomized design in a 4 × 4 factorial arrangement. The best results of average weight gain, feed conversion ratio, and weight specific growth rate were showed by the animals fed with diet containing 0.10% of exogenous protease. 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title Protease exógena em dietas para juvenis de tucunaré-paca (Cichla sp.)
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