1999
DOI: 10.1590/s1516-35981999000300019
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Níveis de energia digestível para suínos dos 30 aos 60 kg mantidos em ambiente de conforto térmico

Abstract: Dois experimentos foram conduzidos para avaliar os efeitos de níveis de energia digestível (ED) sobre desempenho e composição de ganho de carcaça. Foram usados cinqüenta leitoas e 50 machos castrados, mestiços, dos 30 aos 60 kg PV mantidos em ambiente de termoneutralidade. O delineamento usado foi o de blocos ao acaso, com cinco tratamentos (3100, 3250, 3400, 3550 e 3700 kcal ED/kg de dieta), cinco repetições e dois animais por unidade experimental. No experimento com leitoas, o nível de ED da ração não influe… Show more

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“…Improvement of weight gain could be explained by an increase (P=0.048) in the DEI. These results were different from those by Stahly and Cromwell (1979), Coelho et al (1987), and Tavares et al (1999) who failed to record any difference in the weight gain of barrows (8-60kg) caused by the energy level. However, Dividich and Noblet (1986), using weaning piglets, evaluated a diet with two levels of DE (3,100 and 3,600 kcal) and proved that a lower dietary energy level led to lower weight gain.…”
Section: Resultscontrasting
confidence: 88%
“…Improvement of weight gain could be explained by an increase (P=0.048) in the DEI. These results were different from those by Stahly and Cromwell (1979), Coelho et al (1987), and Tavares et al (1999) who failed to record any difference in the weight gain of barrows (8-60kg) caused by the energy level. However, Dividich and Noblet (1986), using weaning piglets, evaluated a diet with two levels of DE (3,100 and 3,600 kcal) and proved that a lower dietary energy level led to lower weight gain.…”
Section: Resultscontrasting
confidence: 88%