2016
DOI: 10.1590/1413-70542016404009316
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Abstract: Determining the actual lysine requirement is crucial as it is an essential amino acid and plays animportant role in the metabolism of broilers. In addition, it is the second limiting amino acid for broilers fed with rations formulated basedon corn and soybean meal. The aim of this study was to determine the digestible lysine requirement for male broilers with lower genetic potential for growth in a semiconfined system as well as to evaluate the effects of different values of digestible lysine on performance an… Show more

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Cited by 2 publications
(2 citation statements)
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“…The best weight gain (1007 g) and feed conversion ratio (2.87) results were obtained at estimated dietary digestible lysine levels of 1.162 and 1.126%, respectively (Table 10). These results are consistent with those obtained by Nascimento et al (2016), who evaluated the effects of increasing digestible lysine values on the performance of broilers of the slow-growing strain Embrapa 041 during the period of 35-84 days of age and estimated digestible lysine requirements of 1.196 and 1.078% for optimal weight gain and feed conversion ratio, respectively. Table 7 -Feed intake, weight gain, feed conversion ratio and lysine intake and utilization efficiency of slow-growing broilers in experiment 3 (70 to 84 days old).…”
Section: Performance and Carcass Traitssupporting
confidence: 90%
“…The best weight gain (1007 g) and feed conversion ratio (2.87) results were obtained at estimated dietary digestible lysine levels of 1.162 and 1.126%, respectively (Table 10). These results are consistent with those obtained by Nascimento et al (2016), who evaluated the effects of increasing digestible lysine values on the performance of broilers of the slow-growing strain Embrapa 041 during the period of 35-84 days of age and estimated digestible lysine requirements of 1.196 and 1.078% for optimal weight gain and feed conversion ratio, respectively. Table 7 -Feed intake, weight gain, feed conversion ratio and lysine intake and utilization efficiency of slow-growing broilers in experiment 3 (70 to 84 days old).…”
Section: Performance and Carcass Traitssupporting
confidence: 90%
“…There was no influence of the feed energy level on the carcass yield. Nascimento et al (2016) found a quadratic effect on the carcass weight but did not observe significant results for the carcass yield in slow-growing broilers raised in a free-range system. Mendonça et al (2008), working with "Isa Label" males, also found no significant differences in the carcass yield when the feed energy level was varied from 70.73 % to 72.09 %.…”
Section: Results and Discussion Experiments 1 -Metabolizable Energy Inmentioning
confidence: 68%