替代性饲料原料成分评估佩卓·尤罗拉明尼苏达大学.pdf

1、替代性饲料原料成分评估Evaluation of feed substitute componentsPedro E.Urriola佩卓尤罗拉,University of Minnesota明尼苏达大学Jinlong Zhu朱进龙,明尼苏达大学Zhaohui Yang杨朝晖,NutribinsCME,2022大量使用豆油生产可再生柴油导致油脂价格上涨High use of soybean oil for renewable diesel has increased the price of oils and fats大豆油期货三月五月七月九月十一月三月五月养猪项目的经济评价Economic e

2、valuation of swine feeding programs盈利能力预测评估营养项目需要的信息复杂性饲料成本增重成本除去饲料成本盈利动态边际效益配方饲料成本饲料效率价格头均收入生产力投入的市场价值经济计算分析的例子Example of economic calculations饲料成本Feed cost:160美元/吨或者8美分/磅$160/ton or$0.08/lb增重成本Cost of gain:2.8$0.08/磅=$0.224/磅增重 2.8 x$0.08/lb=$0.224/lb gain除去饲料成本的收益IOFC:(revenue feed cost)收入=胴体重 x

3、单位胴体价格=213磅 Revenue=HCW x HCW price=213 lb x$0.70/lb=$149.10 饲料成本=料比日增重育肥天数饲料成本 Feed cost=F/G x ADG x days in finisher x feed cost,$/lb=2.8 x 1.80 lb/d x 130 d x$0.08/lb =$52.42 除去饲料成本的收益=$149.10-$52.42=$96.68/头 IOFC=$149.10$52.42=$96.68/pig两个饲喂方案的比较Comparison of two feeding programs日粮日粮A A（能量低）日粮（能

4、量低）日粮B B（能量高）（能量高）Diet A(low energy)日粮成本Diet cost$160/ton 增重成本Cost of gain(2.8)$0.224/lb gain 除去饲料成本后的收益IOFC$96.68/pigDiet B(high energy)$190/ton日粮成本Diet cost$0.237/lb gain增重成本Cost of gain(2.5)收入Revenue=223 lb x$0.70/lb=$156.10/pig 饲料成本Feed cost=2.5 x 1.90 lb/d x 130 d x$0.095/lb=$58.66/pig 除去饲料成本收益

5、Income over feed cost=$156.10$58.66=$97.44/pig除去饲料成本后的收益IOFC替代性饲料原料在猪日粮中的典型添加比例和遇到的问题Typical inclusion rates and issues with alternative feed ingredients in swine diets原料Ingredient添加比例Inclusion rates,%diet评论Comments含固体可溶物的玉米酒精糟Corn distillers dried grains with solubles10-30%成分和毒素含量变异Variability in c

6、omposition and mycotoxins油菜籽和菜籽粕Rapeseed&canola meals10-30%硫代葡萄糖苷、芥子碱和纤维Glucosinolates,sinapine,and fiber33%NDF32%NDF使用高纤维谷物副产物的挑战Challenges of feeding high fiber grain by-products当下：和可靠的供应商合作Immediate:work with trusted supplier长期：采用动态的能量评估模型Long term:adopt modern dynamic energy valuation models问题：能