Technical and economic study of the feeding practice of dairy camels in intensive breeding system; Case of the region of Ghardaia (Northern Algerian Sahara)

摘要

IntheSaharanregions,theintensivebreedingofdairycamelscanhelptocoverapartofthechronicshortageoffreshmilk.Increasingthecamelmilkproductionrequiresaparticularizedanddevelopedpracticeoffeeding.Accordingtoourstudywithin8farmsconcernedinintensivebreedingofdairycamels,throughouttheregionofGhardaia,wehavepointedoutthatthefeedingofdairycamelshasnotbeenundercontrolyet.Moreover,therationinghasn#8217;tgotanycontactwiththerealneedofcamelsnorthescientificstandards.Theamountofdrymatterintake(DMI)bycamelsinthedifferentcheckedfarmsvariesfrom2,16to3,43kgper100kgoftheliveweight.Thedominationofpurchaseddryfood(barleyhayoroathay)massiveuseofconcentratedfoodonabout75%ofstudieddairyfarms,indicatesthatthelivestocksystemdependsmainlyonfeedsthatarenotproducedonthefarmbutpurchasedfromoutside.nbsp;Infact,therationsofbreedershaverepresentedauselesscontributionoftheconcentratedfood(average44%fordrymatterintakeDMI).Consequently,theserationsrepresentanutritionalimbalancepointputanenormousrateofwastageinenergyofabout6,62%to76,61%fortheUFL,andespeciallyinprotein(from16,51%to89,19%forthePDI).Accordingtotherealneedsofcamels,economically,therationsofbreedershaverepresentedrelativelyanexpensivecostoffood(47,54DAonaverage).nbsp;Thetechnicalandeconomicalskillfulpracticeoffeedinghasagreatimportance,topossesthedesiredanimalperformance.nbsp;