avaliação do feno de egeria densa na alimentação de carneiros egeria densa hay inclusion in ration for sheep

Clicks: 340
ID: 162265
2004
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Abstract
Este experimento foi realizado com o objetivo de avaliar o efeito da inclusão de Egeria densa na ração sobre o consumo voluntário, o ganho de peso e a conversão alimentar de ovinos Santa Inês. Dezesseis ovinos foram distribuídos ao acaso em quatro tratamentos: T0 = 81% de feno de tifton (FT) e 19% de concentrado (farelo de soja e milho); T27 = 27% de feno de Egeria (FE), 54% de FT e 19% de concentrado; T54 54% de FE, 27% de FT e 19% de concentrado e T81 = 81% de FE e 19% de concentrado. Verificou-se que o consumo voluntário foi reduzido, e o ganho de peso, quando analisado todo o período experimental, não foi afetado pela adição de feno de Egeria. Durante o período experimental, verificou-se que o ganho de peso foi uniforme nos animais que receberam as dietas sem e com 27% feno de Egeria. Quando as dietas continham 54 e 81% de feno de Egeria, o ganho de peso apresentou comportamento quadrático. Apesar da alta concentração de alguns elementos minerais, a Egeria tem potencial como forrageira para ovinos, desde que seja fornecida em baixa proporção na ração ou por curto período.
Sixteen Santa Inês sheep were randomly allotted to four treatments (T0 = 81% tifton hay (TH) and 19% concentrate (soybean meal and corn); T27 = 27% egeria hay (EH), 54% TH and 19% concentrate; T81 = 81% EH and 19% concentrate) to evaluate the effect of Egeria hay inclusion in the diet on voluntary intake, weight gain and feed efficiency. Voluntary intake reduced and body weight gain was not affected by EH inclusion. During the experimental period, weight gain was similar for the animals fed diet without or with 27% EH. EH inclusion (at levels of 54 and 81%) affected quadractricaly body weight gain. Despite of the high minerals concentration, EH could be used as forage in small quantity or for short period.
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Authors ;Ângela Maria Vieira Batista;Francisco Fernando Ramos de Carvalho;Carlo Aldrovandi Torreão Marques;Sílvio José Souza de Medeiros;Omer Cavalcante de Almeida
Journal european journal of lipid science and technology
Year 2004
DOI
10.1590/S1516-35982004000500024
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982004000500024
Keywords
minerals weight gain feed intake toxicityanimal culture

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