1999
DOI: 10.1590/s1516-35981999000400015
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Níveis de energia digestível para leitoas dos 30 aos 60 kg mantidas em ambiente frio (15°C)

Abstract: RESUMO -Vinte e cinco leitoas dos 30 aos 60 kg PV, mantidas em temperatura ambiente baixa, foram usadas para avaliar o efeito de níveis de energia digestível de 3100 a 3700 kcal/kg de ração sobre desempenho, composição da carcaça e níveis séricos de hormônio da tireóide. O ganho de peso diário não foi influenciado pelo nível de energia digestível (ED) da ração, porém influiu de forma linear decrescente nos consumos de ração e proteína. A conversão alimentar melhorou de forma linear com o aumento do nível de ED… Show more

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Cited by 2 publications
(3 citation statements)
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“…The ME levels of diets led to a linear increase (P>0.05) of the carcass fat deposition rate (Table 6). Several authors (Donzele et al, 1997;Oliveira et al, 1997b;and Ferreira et al, 1998) reported an increase in carcass fat deposition rate as a result of an increase in the diet energy content of 15-30 kg barrows' body weight. Close and Stanier (1984) and Bikker et al (1995) showed that carcass fat deposition rate was more dependent on energy intake than on protein intake.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The ME levels of diets led to a linear increase (P>0.05) of the carcass fat deposition rate (Table 6). Several authors (Donzele et al, 1997;Oliveira et al, 1997b;and Ferreira et al, 1998) reported an increase in carcass fat deposition rate as a result of an increase in the diet energy content of 15-30 kg barrows' body weight. Close and Stanier (1984) and Bikker et al (1995) showed that carcass fat deposition rate was more dependent on energy intake than on protein intake.…”
Section: Resultsmentioning
confidence: 99%
“…These results were similar to those by Oliveira et al (1997b) who did not observe any effect of the DE level of the diet on the relative and the absolute weights of organs (liver, kidneys, heart, and lungs). On the other hand, Ferreira et al (1998), evaluating the effect of DE levels increase in 15-30kg female piglets, found that the DE level of the diet reduced the absolute and the relative weights of the kidneys. Nevertheless, the same authors justified that kidney reduction could occur because of the linear reduction of protein intake and, consequently, of the quantity of urea eliminated directly in the urine.…”
Section: Resultsmentioning
confidence: 99%
“…Esses resultados foram semelhantes aos obtidos por Donzele et al (1997), Ferreira et al (1998) e Oliveira et al (2005, que observaram aumento linear na taxa de deposição de gordura com o aumento dos níveis de EM em rações formuladas com base no conceito de proteína ideal para suínos em crescimento.…”
Section: Resultsunclassified