2005
DOI: 10.1590/s1516-35982005000700016
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Exigências de lisina e energia metabolizável para marrãs de reprodução

Abstract: RESUMO -Objetivando-se determinar os níveis de lisina (Lis) e energia metabolizável (EM) para marrãs de reprodução, foram utilizadas 108 marrãs Seghers ® (Large-White x Landrace/Large-White), submetidas a um delineamento inteiramente casualizado, em esquema fatorial 3 x 3 -três níveis de Lis (0,55, 0,75 e 0,95%) e três de EM (3.100, 3.250 e 3.400 kcal EM/kg). Os tratamentos foram aplicados do alojamento ao abate (30 dias de gestação). Observou-se efeito apenas da EM sobre o desempenho reprodutivo, não hevendo … Show more

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“…These results are similar to the ones obtained by Rezende et al (2006), who have observed a reduction in the ADFI due to the increase in the energy density of diets for growing pigs (60 to 95 kg). Similarly, Santos et al (2005), when evaluating gilts fed three levels of total lysine (0.55, 0.75 and 0.95%) and three levels of ME (3100, 3250 and 3400 kcal/kg) with a content of 13% crude protein (CP) have also observed a reduction in ADFI with an increase in the content of ME. However, some data are controversial, such as Ferreira et al (2003), who have not observed differences in ADFI.…”
Section: Resultsmentioning
confidence: 89%
“…These results are similar to the ones obtained by Rezende et al (2006), who have observed a reduction in the ADFI due to the increase in the energy density of diets for growing pigs (60 to 95 kg). Similarly, Santos et al (2005), when evaluating gilts fed three levels of total lysine (0.55, 0.75 and 0.95%) and three levels of ME (3100, 3250 and 3400 kcal/kg) with a content of 13% crude protein (CP) have also observed a reduction in ADFI with an increase in the content of ME. However, some data are controversial, such as Ferreira et al (2003), who have not observed differences in ADFI.…”
Section: Resultsmentioning
confidence: 89%