2012
DOI: 10.1590/s1413-70542012000400009
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Levels of digestible isoleucine on performance, carcass traits and organs weight of gilts (15 - 30 KG)

Abstract: The ideal protein concept for pigs has allowed reducing levels of crude protein in the diet, since synthetic amino acids are included because the branched chain amino acids may be limiting. In order to determine the digestible isoleucine requirement for gilts from 15 to 30 kg, a performance assay was accomplished, using 40 crossbreed gilts of high genetic potential, averaging 15.00 ± 0.52 kg of body weight, alloted in a randomized blocks design, consisting of five treatments (0.45, 0.52, 0.59, 0.66, 0.73% of d… Show more

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Cited by 2 publications
(1 citation statement)
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“…Nørgaard et al (2013) also obtained a quadratic effect for ADG according to the increasing SID Ile:Lys in diets for 8 to 18 kg pigs, estimating the best ratio at 0.52 and the NRC (2012) suggested 0.55 as the optimum SID Ile:Lys for 11 to 25 kg pigs. In a previous study, no effects of SID Ile levels were observed on protein and fat deposition, nor for relative organ weight of starting gilts fed low crude protein diets (CASTILHA et al, 2012). These authors concluded that levels from 0.45 to 0.73% of SID Ile did not affect the carcass traits and relative organ weight of gilts from 15 to 30 kg.…”
Section: Essential Amino Acids Ieaa (Mg/g Fpd Intake) Aidc (%)mentioning
confidence: 85%
“…Nørgaard et al (2013) also obtained a quadratic effect for ADG according to the increasing SID Ile:Lys in diets for 8 to 18 kg pigs, estimating the best ratio at 0.52 and the NRC (2012) suggested 0.55 as the optimum SID Ile:Lys for 11 to 25 kg pigs. In a previous study, no effects of SID Ile levels were observed on protein and fat deposition, nor for relative organ weight of starting gilts fed low crude protein diets (CASTILHA et al, 2012). These authors concluded that levels from 0.45 to 0.73% of SID Ile did not affect the carcass traits and relative organ weight of gilts from 15 to 30 kg.…”
Section: Essential Amino Acids Ieaa (Mg/g Fpd Intake) Aidc (%)mentioning
confidence: 85%