Wu J F
Pig Research Institute, Taiwan, Republic of China.
J Anim Sci. 1991 Apr;69(4):1349-53. doi: 10.2527/1991.6941349x.
A comparative slaughter experiment was conducted to determine the energy values of cassava chips for weanling pigs. A basal, highly fortified diet was fed to all pigs at 3% body weight daily. Treatments consisted of the addition of cassava chips at 0, 1, and 2% of body weight daily. The apparent digestion coefficients (ADC) for dry matter and energy increased but the ADC for nitrogen decreased with the addition of cassava chips to the basal diet. Digestible energy per gram decreased linearly and quadratically (P less than .01), but metabolizable energy and net energy per gram remained constant with the addition of cassava chips. Metabolizable energy as a percentage of digestible energy increased linearly and quadratically (P less than .01) with the addition of cassava chips to the basal diet. Daily gain of nitrogen, ether extract, and energy increased linearly (P less than .01) as cassava chips were added to the basal diet, but daily gain of ash remained relatively constant. Pooled energy values determined for cassava chips in kcal/g of dry matter were: gross energy, 4.04; digestible energy, 3.58; metabolizable energy, 3.48; nitrogen-corrected metabolizable energy, 3.22; and net energy, 2.57. Net energy of cassava chips for weanling pigs is close to that of corn.
进行了一项比较屠宰试验，以确定木薯片对断奶仔猪的能量值。给所有仔猪每天按体重的3%投喂一种基础的、强化程度很高的日粮。处理方式包括每天分别按体重的0%、1%和2%添加木薯片。在基础日粮中添加木薯片后，干物质和能量的表观消化系数（ADC）增加，但氮的ADC降低。每克可消化能量呈线性和二次方下降（P<0.01），但每克代谢能和净能在添加木薯片后保持不变。在基础日粮中添加木薯片后，代谢能占可消化能量的百分比呈线性和二次方增加（P<0.01）。在基础日粮中添加木薯片后，氮、乙醚提取物和能量的日增重呈线性增加（P<0.01），但灰分的日增重保持相对稳定。测定的木薯片干物质能量值（千卡/克）为：总能4.04；可消化能量3.58；代谢能3.48；氮校正代谢能3.22；净能2.57。木薯片对断奶仔猪的净能与玉米接近。
