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1、SwineProductionandHerdHealthManagement豬生產和豬群健康管理KurtPreugschas張克特MyBackground（我的背景）Grewuponafamilyrun800sownucleusherdwith3hiredemployees生長于一個擁有800頭核心母豬群場并雇傭了三個員工的家庭Iwasinvolvedinmanagementandthegeneticselectionprogram負責豬場管理及豬群遺傳選育計劃3yearsinuniversitytakingBachelorofScience
2、inAgriculture在農業(yè)大學學習三年并獲得學士學位2yearsinWesternCollegeofVeterinaryMedicine在沙省西部獸醫(yī)學院進修了2年Alberta,Canada加拿大,阿爾伯達Bloomsbury,Alberta,Canada加拿大阿爾伯達省布隆斯伯里AlbertaversusHeilongjiang阿爾伯達與黑龍江對比Alberta阿爾伯達650,000km2650,000平方公里3.5millionpeople350萬人口5people/km2每平方公里5個人205,000sows205,000頭母豬
3、3.2millionmarkethogsperyear年出欄320萬頭肥豬Heilongjiang黑龍江460,000km2460,000平方公里37millionpeople3700萬人口83people/km2每平方公里83個人1.4millionsows140萬頭母豬15.8millionmarkethogsperyear年出欄1580萬頭肥豬PigBreeds種豬選育Maternal母本LandraceXYorkshire=F1長白X約克夏=F1代母豬Highfecundityandmotheringability高繁殖力，母性好Te
4、rminalsire終端父本Duroc,Pietrain,Hampshire杜洛克，皮特蘭，漢普夏DurocXLacombe=Trailblazer杜洛克X拉康姆豬=型雜交豬Growth,carcassandmeatquality成長性，胴體及瘦肉品質Lacombe拉康姆豬Duroc杜洛克Trailblazerboar新型雜交公豬Terminalsire終端父本Landrace長白Yorkshire約克夏X=X=X=Markethogs商品豬F1gilts/sowsF1后備/母豬Maternalline母系GeneticPyramid遺傳金字
5、塔GeneticNucleus–Purebreds遺傳核心－純種Landrace,Yorkshire,Duroc,Lacombe,etc.長白，約克夏，杜洛克，拉康姆等等。Multiplier–ProduceF1雜交繁育F1代母豬LandraceXYorkshire=F1長白X約克夏=F1代母本Commercial–Markethogs商品豬F1XTerminalsireF1X終端父本GeneticImprovement遺傳改良Usehighperformancegenetics應用高遺傳力Pigsthathavetheabilitytope
6、rformifmanagedcorrectlyBreedingprogram育種計劃MatingpigswiththedesiredorcomplementarytraitsRateofimprovementdependson改良進度：Selectionintensity(fewerandbetteranimals=moreprogress)Heritabilityoftraits(higher=moreprogress)Generationinterval(fasterturnoverofherd=moreprogress)GeneticI
7、mprovement遺傳改良Performancetesting性狀檢測–EstimatedBreedingValue(EBV)program評估預計育種值計劃Measureofthegeneticvalueofananimal(itsvalueasaparent)ExcellenttooltoselectgeneticallysuperioranimalsformatingComparesallpigsinCanadaMostimportanttraitsaregrowthrate,backfat,leanmuscle,littersize
8、ManyfactorsinfluenceperformanceofanimalsEnvironment–temperature,space,socialrankPh
