Effect of supplements of balanced concentrates and cottonseed cake on milk production in mauritian villages
[摘要] Anexperimentwascarriedouttoevaluateeffectsoftwosupplements(aformulatedconcentrateandcottonseedcake)forcowskeptinconfinementbysmallholdersinvillagesinMauritius.Thebasaldietconsistedmainlyofsugarcanetops(fromJulytoDecember)andgrassesharvestedfromroadsidesandcommonlands.Thesupplementswerefedfor3monthspriortocalvingandthroughoutlactation.Theamountsofcommercialfeedwere2,3kg/dayforthe7thand8-9thmonthofpregancyand0.5kg/litreofmilk.Thequantitiesofcottonseedcakewerehalftheamountofconcentrate.Lactationyields(litres)forconcentrateandcottonseedcakewere3023and2871(wetarea)and2358and2649(dryareas).Therewerenodifferencesinmilkyieldduetosupplementbutyieldswerehigherincowskeptinthewetterareas.Breedeffects(localquot;Creolequot;,Friesianandcrosses)werenotsignificant.
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[效力级别] [学科分类] 农业科学(综合)
[关键词] [时效性]