Estimates of genetic parameters of milk yield in test day analysis in buffaloes of the Colombian Atlantic Coast

N Hurtado-Lugo; M Cer#; n-Mu#; oz y A Guti#; rrez-Valencia

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Estimates of genetic parameters of milk yield in test day analysis in buffaloes of the Colombian Atlantic Coast

机译：在哥伦比亚大西洋沿岸水牛的试验日分析中，产奶量的遗传参数估计

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Geneticparametersforthemilkproductioninthetestdaymodel(TDM)and270daysinmilkyield(MY270)inbuffaloesoftheColombianAtlanticcoastwereestimated.Foranalysis,25.090monthlymilkcontrolsofthe3154lactationsof1198buffaloeswereused.Thecomponentsof(co)variancewereestimatedinuni-andbi-traitanalysisintheanimalmodelandderivative-freemaximumrestrictedlikelihoodmethod.ThevaluesofheritabilityfortheTDMvariedfrom0.04to0.20,beinggreaterforyieldsmeasuredinmid-lactation.nbsp;TheheritabilityfortheMY270was0.16.TheTDMcanbeusedingeneticevaluationsofColombianmilkingbuffaloes.

机译：Geneticparametersforthemilkproductioninthetestdaymodel（TDM）and270daysinmilkyield（MY270）inbuffaloesoftheColombianAtlanticcoastwereestimated.Foranalysis，25.090monthlymilkcontrolsofthe3154lactationsof1198buffaloeswereused.Thecomponentsof（共）variancewereestimatedinuni-andbi-traitanalysisintheanimalmodelandderivative-freemaximumrestrictedlikelihoodmethod.ThevaluesofheritabilityfortheTDMvariedfrom0.04to0.20，beinggreaterforyieldsmeasuredinmid-lactation.nbsp; TheheritabilityfortheMY270was0.16.TheTDMcanbeusedingeneticevaluationsofColombianmilkingbuffaloes。

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《Livestock research for rural development 》 |2006年第3期| 共页
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N Hurtado-Lugo; M Cer#; n-Mu#; oz y A Guti#; rrez-Valencia;
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Estimates of genetic parameters of milk yield in test day analysis in buffaloes of the Colombian Atlantic Coast

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