饲料原料的选择.pptx
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1、能能能能 量量量量 饲饲饲饲 料料料料-谷谷谷谷 物物物物某些成分数据某些成分数据某些成分数据某些成分数据(1998(1998 NRC NRC 猪营养需要量猪营养需要量猪营养需要量猪营养需要量)30千克体重的猪第1页/共22页玉玉玉玉 米米米米 多种不同的类型多种不同的类型多种不同的类型多种不同的类型:普通商品玉米普通商品玉米普通商品玉米普通商品玉米 (2(2 号黄玉米号黄玉米号黄玉米号黄玉米)-“)-“通常通常通常通常的的的的”玉米,主要用作动物饲料。玉米,主要用作动物饲料。玉米,主要用作动物饲料。玉米,主要用作动物饲料。白玉米白玉米白玉米白玉米-用作人类食品,玉米面。用作人类食品,玉米面。
2、用作人类食品,玉米面。用作人类食品,玉米面。蜡质玉米蜡质玉米蜡质玉米蜡质玉米-100%-100%支链淀粉支链淀粉支链淀粉支链淀粉,磨碎制磨碎制磨碎制磨碎制成高价值淀粉。成高价值淀粉。成高价值淀粉。成高价值淀粉。硬胚乳玉米硬胚乳玉米硬胚乳玉米硬胚乳玉米-“-“masa”masa”玉米,制作玉米玉米,制作玉米玉米,制作玉米玉米,制作玉米饼饼饼饼 高营养玉米高营养玉米高营养玉米高营养玉米-高蛋白、高氨基酸含量高蛋白、高氨基酸含量高蛋白、高氨基酸含量高蛋白、高氨基酸含量 高油脂玉米高油脂玉米高油脂玉米高油脂玉米-玉米油含量高,用作动物玉米油含量高,用作动物玉米油含量高,用作动物玉米油含量高,用作动物饲
3、料饲料饲料饲料第2页/共22页第3页/共22页Genetically Enanced Ingredients第4页/共22页The US Ethanol IndustryThe US Ethanol Industry Traditional interest in Traditional interest in energy independence.energy independence.Federal and state Federal and state mandates for replacement mandates for replacement of petroleum-base
4、d of petroleum-based oxidizers in gasoline.oxidizers in gasoline.Pressure to create Pressure to create alternative markets for alternative markets for corn.corn.Emergence of farmer-Emergence of farmer-owned fuel ethanol owned fuel ethanol cooperatives.cooperatives.第5页/共22页第6页/共22页“New”DDGSNew”DDGS第7
5、页/共22页Proximate Analysis of DDGS Proximate Analysis of DDGS from“New”ETOH Plants in from“New”ETOH Plants in Mn and SDMn and SD1,21,2ItemItem“New”New”DDGSDDGS“Old”Old”DDGSDDGSNRC NRC(1998)(1998)Dry matter,Dry matter,%88.988.988.388.393.093.0Crude Crude protein.,%protein.,%30.230.228.128.129.829.8Fat,
6、%Fat,%10.910.98.28.29.09.0ADFADF16.216.216.716.717.517.5NDF,%NDF,%42.142.135.435.437.237.2DE,kcal/kg DE,kcal/kg(calc)(calc)399039903879387934493449ME,kcal/kg ME,kcal/kg(calc)(calc)3749374936613661303830381Spiehs,et al.,2002,J.Anim.Sci.80:2639,2DM basis第8页/共22页Amino Acid Analysis of DDGS Amino Acid A
7、nalysis of DDGS from“New”ETOH Plants in Mn from“New”ETOH Plants in Mn and SDand SD1,21,21Spiehs,et al.,2002,J.Anim.Sci.80:2639,2DM basisItemItem“New”New”DDGSDDGS“Old”Old”DDGSDDGSNRC NRC(1998)(1998)Arginine,%Arginine,%1.201.20.92.921.221.22Histidine,%Histidine,%.76.76.61.61.74.74Isoleucine,%Isoleucin
8、e,%1.121.121.001.001.111.11Leucine,%Leucine,%3.553.552.972.972.762.76Lysine,%Lysine,%.85.85.53.53.67.67Methionine,%Methionine,%.55.55.50.50.54.54Phenylalanine,Phenylalanine,%1.471.471.271.271.441.44Threonine,%Threonine,%1.131.13.98.981.011.01Tryptophan,%Tryptophan,%.25.25.19.19.27.27Valine,%Valine,%
9、1.501.501.391.391.401.40第9页/共22页Apparent Digestibility(%)of Apparent Digestibility(%)of Amino Acids from DDGSAmino Acids from DDGS1 1 and and Soybean MealSoybean Meal2 21Whitney et al.2000.J.Anim Sci.78:185(Suppl 1)Amino AcidDDGSSBMLysine53.686Methionine58.577Threonine55.278Tryptophan63.680第10页/共22页
10、ConclusionsConclusions DDGS is not nutritionally equivalent to soybean meal.DDGS is not nutritionally equivalent to soybean meal.The nutritional value of DDGS produced with newer processes appears The nutritional value of DDGS produced with newer processes appears to be improved over older that from
11、 older systemsto be improved over older that from older systems There remains significant variation in the nutritional value of There remains significant variation in the nutritional value of difference sources of DDGSdifference sources of DDGS Nutritional value must be established before usingNutri
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