野猪与长白猪对日粮养分消化率的比较研究

Comparative Study on Digestive Ability for Sus Scrofa and Landrace Swine

试验采用外源指示剂法和2因子2水平不等重复交叉试验设计,测定和比较野猪与长白猪在生长期对相同营养水平日粮养分(干物质、能量、粗蛋白、粗纤维、粗脂肪和无氮浸出物)的消化率。结果表明:随日粮纤维水平的提高,野猪和长白猪对日粮养分消化率均有不良影响,但野猪对干物质和能量的消化率均显著高于长白猪(P<0.05),粗纤维和粗脂肪的消化率则极显著高于长白猪(P<0.01)。

In the study we adopted exogenous index method and 2 factors 2 levels aniso repetitious crossing experimental design, measured and compared that growing sus scrofa and Landrace swine＇ digestibilities of dietary nutrients （dry matter, energy, crude protein, crude fiber, crude fat and N -free extract） with the same nutritional levels. The results indicated that the increasing dietary, fiber levels could bring a harmful effect on the apparent digestibilities of nutrients of sus scrofa and Landrace swine, However, the apparent digestibility of high fiber diet was higher in sus scrofa, which shows that the characteristics of crude feeding tolerance of sus scrofa were stronger than that of Landrace swine,