Page 46 - 《华中农业大学学报（自然科学版）》2020年第5期

华 中 农 业 大 学 学 报 第 ３９ 卷
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Com p arativeanal y sisof g rowthcarcassmeat q ualit y
,
traitsandbloodp h y siolo g icalandbiochemicalindexes
ofEton gTwoＧEndＧBlackandTon g chen gp i g s

１ , ３ , XUSan p in g WUPin g bo , YU Xinlian g ZHANG Yu , WANG Wen j un ,
４
１ , ３
１ , ３
,
４
,
４
FU Min g
５ ６ １ , ２ , ３ １ , ３ １ １ , ２ , ３
,
LIShen g ZHENGJianbao , XU Xuewen , ZHANGJin g , PENGZhon g zhen , LIUBan g
１．Ke yLaborator yo fA g riculturalAnimalGenetics , Breedin gandRe p roduction ,
Ministr yo fEducation , Huazhon gA g riculturalUniversit y Wuhan４３００７０ , China ;
,
２．TheCoo p erativeInnovationCenter f orSustainablePi gProduction , Wuhan４３００７０ , China ;
３．TheEn g ineerin gTechnolo gyResearchCentero f HubeiProvinceLocal
Pi gBreedIm p rovement , Wuhan４３００７０ , China ;
４．Ton g chen gA g riculturalandRuralBurea , Ton g chen g４３７４００ , China ;
５．Ton g chen gStateＧOwnedAnimalFarm , Ton g chen g４３７４００ , China ;
６．Ton g chen gYunzhiEcolo g icalFarm , Ton g chen g４３７４００ , China
Abstract Ton g chen gp i g isanexcellentre p resentativeoflocal p i gbreedsinChina．IthastheadＧ
vanta g esof g oodmotherhood , tolerancetorou g ha g e , andtender , uic yanddeliciousmeat , butitalsohas
j
thep roblemsofslowg rowth , thickbackfatandlowleanmeatrate．Therefore , inordertomakeuseof
theg oodmeat q ualit yofTon g chen gp i g andim p roveitsdisadvanta g eoustraits , theleanmeatt yp elar g e
whitep i gwasintroducedtocultivateanewbreedofEton gTwoＧEndＧBlack．Toevaluatethebreedin g
effectofEton gTwoＧEndＧBlack ( Ton g chen gp i g female×leanＧmeatlar g ewhitemale ), theg rowthtraits ,
carcasstraits ( carcasslen g th , backfatthickness , loine y earea , ercenta g eofleanmeat , etc． ), meat q ualit y
p
traits ( meatcolor , dri pp in gloss , marblin gandintramuscularfatcontent , etc． ) andbloodp h y siolo g ical
andbiochemicalindexes were measuredin Eton g TwoＧEndＧBlackand Ton g chen gp i g s．Theresults
g
showedthatthedail yg ainoftheEton gTwoＧEndＧBlackp i gwas ( ５９６．２７±９０．２４ ) / d , whichwassi g nifiＧ
((
cantl yhi g herthanthatoftheTon g chen gp i g ５１３．２８±９０．３１ )/ d , P＜０．０１ ) ．Theleanmeat p ercenta g e
g
ofEton gTwoＧEndＧBlackwas４９．５６％±２．２１％ , whichwassi g nificantl yhi g herthanthatofTon g chen g
( ４３．４７％±１．３９％ , P＜０．０１ ) ．ThebackfatthicknessofEton gTwoＧEndＧBlackwas ( ３４．７３±０．９４ ) mm ,
whichwassi g nificantl y lowerthanthatofTon g chen g (( ３８．８０±０．９６ ) mm , P ＜０．０１ ) ．The Marblin g
scoreandintramuscularfatcontentofTon g chen gwere３．４７±１．１６and３．４５％ ±１．１１％ , res p ectivel y ．
Therewerenosi g nificantdifferencesinothermeat q ualit y traitsbetweenthetwobreeds , exce p tforinＧ
tramuscularfatcontent ( ２．７２％±０．８７％ ), whichwaslowerinEton gTwoＧEndＧBlack．Inaddition , onl y
p artofthebloodp h y siolo g icalandbiochemicalindexesbetweenthetwobreedsweresi g nificantdifferＧ
ent．TheresultsillustratedthatEton gTwoＧEndＧBlackhasim p rovedthe g rowthandcarcasstraitswhile
retainin g theexcellentmeat q ualit y traitsofTon g chen gp i g s．Therefore , thestud ycanp rovidescientific
basisforfurther p o p ularizationandutilizationofEton gTwoＧEndＧBlack．
;
g
Ke y words Ton g chen gp i g Eton g TwoＧEndＧBlack ; rowthtraits ; carcasstraits ; meatq ualit y
traits ; rotectionlistofbreeds
p
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