Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/42911
Title: Net energy for 60- to 120-kg pigs fed low-crude protein diets
Other Titles: Energia líquida para suínos dos 60 aos 120kg recebendo dietas com redução de proteína
Keywords: Carcass
Finishing phase
Nutrition
Requirement
Carcaça
Terminação
Nutrição
Exigência
Issue Date: Sep-2014
Publisher: Universidade Federal de Santa Maria (UFSM)
Citation: SARAIVA, A. et al. Net energy for 60- to 120-kg pigs fed low-crude protein diets. Ciência Rural, Santa Maria, v. 44, n. 9, p. 1632-1638, Sept. 2014. DOI: 10.1590/0103-8478cr20131136.
Abstract: Two experiments were conducted to determine the effects of dietary net energy content (NE) on performance and carcass traits of finishing barrows fed low-crude protein (CP) diets. Pigs (60.0±1.05kg, Exp. 1, 93.0±1.56kg, Exp. 2) were allotted in a randomized block design to 3 dietary treatments. Exp. 1 had 6 pens treatment-1 and Exp. 2 had 8 pens treatment-1 and all pens had 2 pigs. The treatments were: 199g kg-1 CP and 2566kcal kg-1 NE, 155g kg-1 CP and 2631kcal kg-1 NE, 155gk g-1 CP and 2566kcal kg-1 NE in Exp. 1, and 180g kg-1 CP and 2588kcal kg-1 NE, 145g kg-1 CP and 2638kcal kg-1 NE, 145g kg-1 CP and 2588kcal kg-1 NE, in Exp. 2. In Ep.1, except for average daily gain (ADG) there was no effect of dietary CP or NE on any other parameter evaluated. The diet with 155g kg-1 CP and 2566kcal kg-1 NE resulted in greatest ADG. In Exp. 2, the greatest results of ADFI and ADG were obtained with 145g kg-1 CP and 2588kcal kg-1 of NE. Pigs fed the diet with 180g kg-1 CP and 2588kcal kg-1 NE had less carcass meat. There was no effect of dietary CP or NE on backfat. The CP diet containing 2566kcal kg-1 NE resulted in greatest ADG of 60- to 95-kg barrows. For 95- to 120-kg barrows the diet with 145gk g-1 CP and 2588kcal kg-1 of NE resulted in greatest ADG and carcass meat.
URI: http://repositorio.ufla.br/jspui/handle/1/42911
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