首页> 外文期刊>Livestock research for rural development >Comparison of non-linear models to describe growth curves in guinea pigs (Cavia porcellus) from birth to slaughter age
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Comparison of non-linear models to describe growth curves in guinea pigs (Cavia porcellus) from birth to slaughter age

机译:非线性模型描述出生至屠宰年龄豚鼠(Cavia porcellus)生长曲线的比较

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Theobjectiveofthisworkwasstudythegrowthcurvesinguineapigs,maleandfemale.Forthis,thecapacityofadjustmentoffourmodelswasevaluated(Brody,VonBertalanffy,GompertzandLogísticmodels).Toevaluatethecapacityofadjustmentofthemodelstodataofgrowthofguineapigsofdifferentsex,wereusedtheweighttothebirth,14,30,56and84days.Theparameterswereestimatedbythegeneralizedleastsquaresmethodusingnonlinearregressionmodelswithautocorrelatederrors.Modelswerecomparedbyusingsomeindicatorsofgoodnessfitandbiologicalinterpretationofparameters.nbsp;Allthemodelspresentedsimilarvaluesforindicatorsofgoodnessfit,indicatingthattheycanbeusedindistinctlytodescribethegrowthofguineapigs.
机译:Theobjectiveofthisworkwasstudythegrowthcurvesinguineapigs,maleandfemale.Forthis,thecapacityofadjustmentoffourmodelswasevaluated(布罗迪VonBertalanffy,GompertzandLogísticmodels).Toevaluatethecapacityofadjustmentofthemodelstodataofgrowthofguineapigsofdifferentsex,wereusedtheweighttothebirth,14,30,56and84days.Theparameterswereestimatedbythegeneralizedleastsquaresmethodusingnonlinearregressionmodelswithautocorrelatederrors.Modelswerecomparedbyusingsomeindicatorsofgoodnessfitandbiologicalinterpretationofparameters.nbsp; Allthemodelspresentedsimilarvaluesforindicatorsofgoodnessfit,indicatingthattheycanbeusedindistinctlytodescribethegrowthofguineapigs。

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