肉用仔鸡最佳日粮配方筛选

Sieving Experiment of Optimum Diet Formulas for Broiler Chickens

在筛选0～10周龄肉用仔鸡最佳日粮配方的饲养代谢试验中,按日粮中蛋白质饲料的特点设9套配方。试鸡为星布罗商品代,每组100只。综合评定出最佳日粮配方:0～4周龄分别为配方1,4,7;末重:522g,541g,527g;饲料增重比:1.99,1.82,2.00.5～10周龄分别为配方1,5,8;末重:2079g,2061g,2005g;饲料增重比;2.99,3.12,3.11。所选最佳日粮配方适合甘肃省广大地区的肉鸡饲养水平和蛋白质饲料特点,可推广应用.

The feeding and metabolizing experiments lasted 70 days on sieving optimum diet formula of broiler chickens had been conducted with 900 Starbro commercial generation birds. Nine diet formulas were designed according to the protein feed sources and the feeding level of broiler chickens in Gansu. The optimum diet formulas obtained by evaluating the average daily gain, feed/gain (F/G) and economic benefit were formula 1, 4, 7 with weight 522, 541, 527g on 4th weekend and F/G 1.99, 1.82, 2.00 in 0～4 week period and formula 1,5,8 with weight 2079, 2061, 2005g on 10th weekend and F/G 2.99, 3.11, 3.12 in 5～10week period. The optimum diet formulas which suit the protein feed sources and feeding level of broiler chickens may be used widely in Gansu.