中美母猪饲养管理和理念及其营养方案比较.ppt

Comparison of the sow management conception and nutrition program in United States and China中美母猪饲养管理和理念及其营养方案的比较  Part 1 Factors impact animal/feed production影响动物/饲料生产的因素 Profitability $$$利润= (Genetics 遗传 + Sex 性别 + Nutrition 营养 + Production stage purpose 生产阶段与目的 + Environment 环境 + Disease control 疾病控制) × Management 管理水平 @ marketing 市场(策划，营销，品牌，规模和预测能力) Pig production systems 猪养殖环境的差异 Segregated early weaned vs. conventional continuous-flow pigs 养猪模式与理念的差别 Cytokine Effects on Organ Systems 细胞因子对器官的影响 Part 2 Average published parity at culling from 1960-2000 is 4.2 (+/- 0.9) and a reported culling rate of 47% Sow Longevity -summary of 19 published studies(Stadler et al, 2004) Lifetime reproductive performance of female pigs having distinct reasons for removal (Lucia et al, 2000) Reproductive and Locomotion problems primary reasons for removal of young sows(Lucia et al., 2000) Typical pig performance in USA (KSU, 1997) Productivity of swine Feeding gestation sows (KSU, 1997) Average daily feed intake TID and NE system for pigs (Noblet et al., 1994) 可消化氨基酸体系和净能体系 Recommendation of Ideal AA:Lys from different sources for gestation sows (on digestible basis, %) (Yi, 2005) Recommendation of Ideal AA:Lys from different sources for lactation sows (on digestible basis, %) Back fat distribution at Cedarcrest Isoflavone 大豆黄酮 刘根桃等（1999）用Isoflavone 饲喂产前妊娠后期母猪23天后，母猪血清中胰岛素水平下降40.99％, IGF－Ⅰ水平上升73．40％，显著高于对照组，母猪产后第 4天 IGF－Ⅰ水平显著高于对照组。试验组产后泌乳量显著高于对照组。提高IGF-Ⅰ可能是导致母猪泌乳量显著提高的主要原因。 越来越多的研究表明，IGF-Ⅰ在乳腺发育及泌乳中起重要作用。IGF-Ⅰ作用于乳腺组织后，使乳腺血流量增加，并刺激乳腺上皮细胞分化成分泌细胞，从而使乳汁分泌增加。大豆黄酮具有雌激素样作用，一旦进入体内，可能通过与内源性雌激素受体结合面而发挥生物效应，从而改变母神经内分泌状态。 刘根桃试验中，泌乳量增加的同时，且初乳中GH、TSH和TGF-Ⅰ含量均显著高于对照组。母猪的分泌乳性有直接影响仔猪出生后的生长。母乳对于新生哺乳动物仔有三个方面的功能：（1）提供能量和生物合成前体物；（2）提供特异的和非特异和免疫保护防御功能；（3）传递母源神经与内分泌的调节信号的功能。 Part 3 DaChan Great Wall – a Total Solution Provider to the Industry for Your Needs! * * Dr. Ganfeng (Ian) Yi 易敢峰博士 Senior Assistant General Manager 资深协理 Animal Nutrition RD 动物营养研发 DaChan Northeast Asia Corp. Beijing,