双低油菜粕高比例配合饲粮饲养生长肥育猪试验

A Trial for Ratio Containing Deuble Low Rapeseed Meal in High Rate Feeding Growing-finishing Pigs

实验用双低油菜粕高比例等氮替代豆粕饲养生长肥育猪.肥育前期(30-60Kg)按40%、60%、80%替代,后期(60-90Kg)各组替代水平相应提高为60%、80%、100%.设100%豆粕组为对照组.各组基础饲粮中均配入等量棉粕.设计不同预混饲料.试验结果为双低油菜粕前期按60%,后期按80%替代饲养效果较好,生长速度为686g/d,与对照组688g/d差异不显著(p>0.05).饲料效率较对照组提高7.8%,同期出栏盈利提高12.5%(净值42.25元/头),饲料成本下降14.35%.80-100%替代组生长速度约降低10%,但同期出栏盈利与对照组相当.试验未发现高比例配合双低油菜粕的饲粮对肥育猪的健康和肉质有不良影响.

Abstract A feeding trial that doube low rapeseed meal substituted soybean meal hy high ratio in equal Nitrogen level was carried out for growing-finishing pigs. substituted ratio were 40%, 60%, 80% re-spectively during early period 30～60Kg, and were60%, 80%, 100% respectively during late period 60～90Kg.The gnup with100% soybean was control group.All group added suitable quantity cottenseedmeal, and used different premix.The result showed that, the group that double low rapeseed meal substi-tuted soybean meal for 60% during early period find for 80% during late period was best: growth rate was680g/d, it has no significant difference with control group that growth rate was 688g/d (p>0.05), thefeed efficiency was7. 8% higher than that of control group, the decrease ratio of cost was 14. 3%. Com-paring with the control group, the growth rate of the group that double low rapeseed meal substituted soy-bean meal for 60% during eary period and 80% during late peried was decreased for 10%, hut economicprifit was equl.The test proved that high quantity double low rapeseed meal have no significant influance to the health and meat quanlity of growing swine.