华南农业大学学报2017，Vol.38Issue(2)：6-11,6.DOI:10.7671/j.issn.1001-411X.2017.02.002
珍珠鸡体质量、体尺性状发育规律曲线拟合分析
Fitting analysis on growth curves of body mass and size of Guinea fowl
摘要
Abstract
[Objective] To provide basic data for selective breeding and improving of reproduction per-formance of Guinea fowl.[Method]The growth and development patterns of one-to nine-week-old G.fowl were studied .Three different models including Logistic , Gompertz and Bertalanffy models were compared to identify the best model fitting G.fowl growth .[Result] Growth traits including body mass , keel length, shank length and shank girth showed no significant differences between male and female G.fowl ( P>0.05 ) and exhibited similar trends .The growth rate of body size was the highest with a straight ascending trend at the age of two weeks .The body mass of G.fowl was positively correlated with its body size.For male ones, the correlation coefficent ( r =0.752,P <0.01) between body mass and shank length was the largest .For female ones , the correlation coefficent ( r=0.600 ) between body mass and keel length was the largest , followed by the correlation coefficent ( r=0.509 ) between body mass and shank length.In addition, the correlation (r=0.477) between shank length and keel length was signifi-cant ( P<0.01) .All three models could be used for fitting G.fowl growth, among which the Gompertz model was the best for body mass and the Bertalanffy model was the best for body size .[Conclusion]There are similar trends in growth and development of body mass and body size between male and female G.fowl.The Gompertz and Bertalanffy models are the best for fitting body mass and body size , respec-tively.Improving the shank length of G.fowl may help to increase its keel length , pectoral production as well as body mass .关键词
珍珠鸡/生长发育规律/生长曲线/拟合分析Key words
Guinea fowl/growth and development pattern/growth curve/fitting analysis分类
农业科技引用本文复制引用
李婷,杜炳旺,戚子烨,张柱明,王章,张权,张丽..珍珠鸡体质量、体尺性状发育规律曲线拟合分析[J].华南农业大学学报,2017,38(2):6-11,6.基金项目
中国博士后科学基金（2013T60808）；广东省大学生创新训练项目（CXXL2015064）；广东海洋大学教育教学改革项目 （）
