A comparative study on dairy production and revenue of the dairy farms supported by a dairy cooperative with those supported by a private organization in Central Thailand

摘要

Theobjectiveofthisstudywastocomparemonthlymilkyieldandmilkrevenueofdairyfarmssupportedbyadairycooperative(DC)withthosesupportedbyaprivateorganization(PO)inCentralThailand.Thedatasetcontainedmonthlymilkyieldperfarm(MYF),monthlymilkyieldpercow(MYC),monthlymilkrevenueperfarm(MRF),andmonthlymilkrevenuepercow(MRC)recordsfrom642DCfarmsand449POfarmscollectedbetween2006and2009.Thedatasetwasanalyzedusingamixedmodelwiththefixedeffectsofyear-season-organizationsubclassandfarmlocation-farmsize-organizationsubclass,andtherandomeffectsoffarmandresidual.LeastsquaresmeanswereestimatedforeachtraitandwerecomparedusingaBonferronit-test.nbsp;Monthlymilkproductionandrevenuevariedacrossyear-season-organizationsubclassesandfarmlocation-farmsize-organizationsubclasses.Acrossyear-seasonsubclasses,farmssupportedbyDChadlowermilkproductionsandrevenuesthanfarmssupportedbyPO(P0.01).FarmssupportedbyDCandPOhadsimilarmilkproductionandrevenueacrossfarmlocation-farmsizesubclasses,exceptforsmallsizefarmsinadistrict(MuakLek).Thefarmtototalvarianceratiorangedfrom0.47(MRC)to0.59(MYF)indicatingthatdifferencesamongfarmswereanimportantsourceofvariationforalltraits.Thisresultsuggeststhatdairyorganizationsneedtotakeintoaccountindividualfarmcharacteristicsandsupportthemaccordingly.Tohelpimprovemilkproductionandrevenueofdairyfarms,sharingexperiencesandinformationwithinandbetweendairyorganizationsshouldbeencouraged.