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首页> 外文期刊>Livestock research for rural development >Evaluation of Leucaena leucocephala and cactus (Opuntia sp.) as forages for growing rabbits
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Evaluation of Leucaena leucocephala and cactus (Opuntia sp.) as forages for growing rabbits

机译：评估白桦和仙人掌（Opuntia sp。）作为生长中兔子的饲料

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Leucaenaleucocephalaandcactus(Opuntiasp.)wereevaluatedasforagesforrabbitsbasedongrowth,feedutilization,gastrointestinaltract(GIT)development,andcarcasstraits.Atotalof64purebredAltexandNewZealandWhiteweanlingrabbitswerefedfor42d.Experimentaldietswere100,90,80or70%commercialpelletswithcorrespondinglevelsof0,10,20or30%leucaenaleaves(drymatterbasis),fedeitherwithorwithoutcactusofferedadlibitum.Weeklygrowthresponseslopesvariedbydietbutnotbreed.Controlrabbits(100%pelletsfedadlibitumwithandwithoutcactus)hadimprovedaveragedailygainsby9.0g/d(P0.01),reached1,800gminimummarketweightearlierby6.5d(P0.05),andhadheavier42-dfinalweightsby371g(P0.01)thanrabbitsfedleucaenawithandwithoutcactus.Ingeneral,cactusdidnotsignificantlyinfluenceanyofthetraitsstudied.Pelletandgross(pelletplusforage)feedintakeperformanceincontrolversusforage-fedpensdependedonwhethercactuswasincludedinthediets(P0.05).However,independentofthecactuseffect,conversionofgrossfeedtototalgainswasimprovedincontrolversusforage-fedpens(P0.01).Rabbitsfed10%leucaena(withandwithoutcactus)hadhigherpelletandgrossfeedintakelevels(P0.01),whereasnodifferencesexistedbetween20and30%leucaenadiets.Rabbitsonthe20and30%leucaenawithcactusdietsnumericallyconsumedtheleastquantityofpelletsperunitofbodygain.Controlanimalshad2.0%highercarcass(P0.05),0.85%lowerGIT(P0.01),and0.14%lowerstomach(P=0.07)weightsaspercentagesofpre-slaughterweightthananimalsfed30%leucaenawithandwithoutcactus.CarcassandGITtraitsweresimilarbetweencontrolanimalsfedonlypelletsandthosefedpelletsandcactus(P0.05).Rabbitsfed30%leucaenawithcactushad2.7%highercarcassweight(P0.05)andtendedtohave1.0%higherpeltweight(P0.10)comparedtothosefed30%leucaenawithoutcactus.Breedswerenotdifferentforgrowth,GITandcarcasstraits(P0.05).Nosignsofhairlossordiscoloredliversorurineduetopossiblemimosinetoxicitywereobservedin30%leucaena-fedrabbits.Hence,itisrecommendedforsmall-scaleproducersthatthefeedinglevelofleucaena(withina0to30%range)shoulddependoneconomicsintermsofrealizedfeedcostsavingsinrelationtogrowthresponse.
机译：Leucaenaleucocephalaandcactus（Opuntiasp。）wereevaluatedasforagesforrabbitsbasedongrowth，feedutilization，gastrointestinaltract（GIT）的发展，andcarcasstraits.Atotalof64purebredAltexandNewZealandWhiteweanlingrabbitswerefedfor42d.Experimentaldietswere100,90,80or70％commercialpelletswithcorrespondinglevelsof0,10,20or30％leucaenaleaves（drymatterbasis），fedeitherwithorwithoutcactusofferedadlibitum.Weeklygrowthresponseslopesvariedbydietbutnotbreed.Controlrabbits（100个％pelletsfedadlibitumwithandwithoutcactus）hadimprovedaveragedailygainsby9.0g / d（PLT; 0.01），reached1,800gminimummarketweightearlierby6.5d（PLT; 0.05），andhadheavier42-dfinalweightsby371g（PLT; 0.01）thanrabbitsfedleucaenawithandwithoutcactus.Ingeneral，cactusdidnotsignificantlyinfluenceanyofthetraitsstudied.Pelletandgross（pelletplusforage）feedintakeperformanceincontrolversusforage-fedpensdependedonwhethercactuswasincludedinthediets（PLT; 0.05）。然而，independentofthecactuseffect，conversionofgrossfeedtototalgainswasimprovedincontrolversusforage -F edpens（PLT; 0.01）.Rabbitsfed10％银合欢（withandwithoutcactus）hadhigherpelletandgrossfeedintakelevels（PLT; 0.01），whereasnodifferencesexistedbetween20and30％leucaenadiets.Rabbitsonthe20and30％leucaenawithcactusdietsnumericallyconsumedtheleastquantityofpelletsperunitofbodygain.Controlanimalshad2.0％highercarcass（PLT; 0.05），0.85％lowerGIT（PLT; 0.01），且0。 14％lowerstomach（P = 0.07）weightsaspercentagesofpre-slaughterweightthananimalsfed30％leucaenawithandwithoutcactus.CarcassandGITtraitsweresimilarbetweencontrolanimalsfedonlypelletsandthosefedpelletsandcactus（PGT; 0.05）.Rabbitsfed30％leucaenawithcactushad2.7％highercarcassweight（PLT; 0.05）andtendedtohave1.0％higherpeltweight（PLT; 0.10）comparedtothosefed30％leucaenawithoutcactus.Breedswerenotdifferentforgrowth，GITandcarcasstraits （P 0.05）。没有迹象表明脱毛的迹象或变色的发色或可能的含羞草毒性在30％的白加仑饲料中观察到。因此，建议小规模生产者根据其经济水平饲喂白粉（0-30％范围）。与增长响应相关的已实现饲料成本节省的n个术语。

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