【摘要】 [目的]以玉米秸秆强化颗粒、全价草块作为日粮,研究对肉牛育肥性能和经济效益的影响。[方法]选择22头夏杂牛公牛(夏洛莱×本地黄牛),采用随机试验设计分为全价草块组(试验1组、对照1组每组各5头,平均体重353.10±16.90kg),强化颗粒组(试验2组、对照2组每组各6头,平均体重238.38±49.75kg),试验期47d,其中预试期10d,正试期37d,测定采食量、日增重,分析经济效益。[结果]全价草块组头均日增重试验组1.29kg较对照组0.80kg提高61.25%(P<0.05),日粮干物质采食量,试验组为9.76kg较对照组6.50kg提高50.15%(P<0.05);强化颗粒组头均日增重试验组0.66kg较对照2组0.47kg提高40.43%(P<0.05),日粮干物质采食量,试验组为6.60kg较对照组为5.21kg提高26.68%(P<0.05);经济效益试验组均高于对照组,其中试验1组比对照1组头均多盈利244.39元,试验2组比对照2组头均多盈利110.67元。[结论]玉米秸秆经过高密度压缩处理,育肥肉牛效果好于企业自配TMR。更多还原

【Abstract】 【Objective】The aim of this paper was to study the effect of maize straw compression granule and full price grass block on beef cattle fattening performance and economic benefits,respectively.【Method】A total of 22 crossbreed beef cattle were selected and randomly divided into two groups,named group 1and group 2.The individuals of gruop 1,including 10 beef cattle,were fed with full price grass block.Then the group 1was equally divided to two parts,named experiment group and control group,respectively,and the average weight of every part is about 353.10±16.90 kg.The individuals of group 2,including 12 beef cattle,were fed with maize straw compression granule.Similarly,the group 2was also equally divided into two parts,named experiment group and control group,respectively,and the average weight of every part is about 238.38±49.75 kg.The experiment lasted 47 days,including 10 days advanced experiment period and 37 days formal experiment period.Then,the feed intake and daily gain weight were measured and the economic benefit was analyzed.【Result】In the group 1,all individuals had gained weight than before.The daily gained weight of experiment group(1.29kg)are 61.25% heavier than that of control group(0.81kg)(P< 0.05),and the average dry matter intake of experiment groups(9.76kg)was50.15% heavier than that of control group(6.50kg)(P<0.05).Likewise,in the group 2,all individuals had also gained weight than before.The daily gained weight of experiment group(0.66kg)are 40.43%heavier than that of control group(0.47kg)(P< 0.05),and the average dry matter intake of experiment groups(6.60kg)was 26.68% heavier than that of control group(5.21kg)(P<0.05).Moreover,the economic efficiency of the experiment groups in two groups was higher than those of the control groups.In the group 1,the average individual payoff of experiment group was 244.39 yuan higher than that of the control group.In the group 2,the average individual payoff of experiment group was 110.67 yuan higher than that of the control group.【Conclusion】The effect of corn straw through high density compression treatment was better than that of full price grass block on beef cattle fattening.更多还原