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1、SwineProductionandHerdHealthManagement猪生产和猪群健康管理KurtPreugschas张克特MyBackground（我的背景）Grewuponafamilyrun800sownucleusherdwith3hiredemployees生长于一个拥有800头核心母猪群场并雇佣了三个员工的家庭Iwasinvolvedinmanagementandthegeneticselectionprogram负责猪场管理及猪群遗传选育计划3yearsinuniversitytakingBachelorofScience
2、inAgriculture在农业大学学习三年并获得学士学位2yearsinWesternCollegeofVeterinaryMedicine在沙省西部兽医学院进修了2年Alberta,Canada加拿大,阿尔伯达Bloomsbury,Alberta,Canada加拿大阿尔伯达省布隆斯伯里AlbertaversusHeilongjiang阿尔伯达与黑龙江对比Alberta阿尔伯达650,000km2650,000平方公里3.5millionpeople350万人口5people/km2每平方公里5个人205,000sows205,000头母猪
3、3.2millionmarkethogsperyear年出栏320万头肥猪Heilongjiang黑龙江460,000km2460,000平方公里37millionpeople3700万人口83people/km2每平方公里83个人1.4millionsows140万头母猪15.8millionmarkethogsperyear年出栏1580万头肥猪PigBreeds种猪选育Maternal母本LandraceXYorkshire=F1长白X约克夏=F1代母猪Highfecundityandmotheringability高繁殖力，母性好Te
4、rminalsire终端父本Duroc,Pietrain,Hampshire杜洛克，皮特兰，汉普夏DurocXLacombe=Trailblazer杜洛克X拉康姆猪=型杂交猪Growth,carcassandmeatquality成长性，胴体及瘦肉品质Lacombe拉康姆猪Duroc杜洛克Trailblazerboar新型杂交公猪Terminalsire终端父本Landrace长白Yorkshire约克夏X=X=X=Markethogs商品猪F1gilts/sowsF1后备/母猪Maternalline母系GeneticPyramid遗传金字
5、塔GeneticNucleus–Purebreds遗传核心－纯种Landrace,Yorkshire,Duroc,Lacombe,etc.长白，约克夏，杜洛克，拉康姆等等。Multiplier–ProduceF1杂交繁育F1代母猪LandraceXYorkshire=F1长白X约克夏=F1代母本Commercial–Markethogs商品猪F1XTerminalsireF1X终端父本GeneticImprovement遗传改良Usehighperformancegenetics应用高遗传力Pigsthathavetheabilitytope
6、rformifmanagedcorrectlyBreedingprogram育种计划MatingpigswiththedesiredorcomplementarytraitsRateofimprovementdependson改良进度：Selectionintensity(fewerandbetteranimals=moreprogress)Heritabilityoftraits(higher=moreprogress)Generationinterval(fasterturnoverofherd=moreprogress)GeneticI
7、mprovement遗传改良Performancetesting性状检测–EstimatedBreedingValue(EBV)program评估预计育种值计划Measureofthegeneticvalueofananimal(itsvalueasaparent)ExcellenttooltoselectgeneticallysuperioranimalsformatingComparesallpigsinCanadaMostimportanttraitsaregrowthrate,backfat,leanmuscle,littersize
8、ManyfactorsinfluenceperformanceofanimalsEnvironment–temperature,space,socialrankPh
