2011
DOI: 10.1590/s0103-90162011000300008
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Abstract: Breast weight has great economic importance in poultry industry, and may be associated with other variables. This work aimed to estimate phenotypic correlations between performance (live body weight at 7 and 28 days, and at slaughter, and depth of the breast muscle measured by ultrasonography), carcass (eviscerated body weight and leg weight) and body composition (heart, liver and abdominal fat weight) traits in a broiler line, and quantify the direct and indirect influence of these traits on breast weight. Pa… Show more

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Cited by 12 publications
(12 citation statements)
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“…Path analysis is used to describe the directed dependencies among a set of variables [3] . Therefore, application of path analysis in animal breeding practices began to increase [4][5][6][7][8][9][10][11][12][13] . Also, there are some studies which examined the direct and indirect effects of body measurements on body weight [14][15][16][17] .…”
Section: Introductionmentioning
confidence: 99%
“…Path analysis is used to describe the directed dependencies among a set of variables [3] . Therefore, application of path analysis in animal breeding practices began to increase [4][5][6][7][8][9][10][11][12][13] . Also, there are some studies which examined the direct and indirect effects of body measurements on body weight [14][15][16][17] .…”
Section: Introductionmentioning
confidence: 99%
“…Sibs from an elite flock that underwent selection for the development of a broiler male line were investigated using different approaches [5][6][7][8] and selected to emphasize performance and carcass traits. Pedigree chicks were wing-banded at hatching and housed and raised as rec-ommended by the company guidelines for nutritional planning, management conditions and vaccination.…”
Section: Ultrasound Record and Additional Data Originmentioning
confidence: 99%
“…US1 was gauged along the keel, and US2 was gauged over the coracoid bone. Data collection was performed at 35 d of age from Nov. 1999 to Jan. 2001 [5] [7,8]. Previous studies considered the average of the breast muscle depth in the longitudinal and transverse directions (US) in the ultrasound record [7,8].…”
Section: Ultrasound Record and Additional Data Originmentioning
confidence: 99%
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“…One can use partial correlations to establish such pathways, but this can be a very laborious process in the absence of prior intuition about the variables and a descriptive approach would be better. In fact, partial correlations are seldom encountered in agricultural applications (for an example see Lorentz et al 2011), the opposite being the case in psychology (e.g., Rosmarin et al 2011).…”
Section: Interpreting Correlation Among Many Variablesmentioning
confidence: 99%