Liu Hua, Wan Haifeng, Xu Shengyu, Fang Zhengfeng, Lin Yan, Che Lianqiang, Li Jian, Li Yong, Su Xiang, Wu De
Key Laboratory for Animal Disease-Resistance Nutrition of the Ministry of Agriculture of China, Animal Nutrition Institute, Sichuan Agricultural University, Ya'an, China.
Guangxi shangda tech Co. Ltd., Guang Xi, China.
Anim Sci J. 2016 Nov;87(11):1386-1395. doi: 10.1111/asj.12578. Epub 2016 Mar 3.
Two experiments were conducted to study the effects of extrusion on the energy content of corn and broken rice and on growth performance of weaning pigs. In experiment 1, 24 barrows (28 days old, 7.28 ± 0.90 kg body weight (BW)) were used to compare the effects of extrusion of corn and broken rice on the values of digestible energy (DE) in weaned pigs. The DE content in extruded corn (17.45 MJ/kg dry matter (DM)) was significantly greater (P < 0.05) by 5.54% compared with that in corn (16.48 MJ/kg DM), while no significant difference in DE content was observed between extruded broken rice (17.66 MJ/kg DM) and broken rice (17.76 MJ/kg DM). In experiment 2, 120 weanling pigs (21 days old, 5.76 ± 0.07 kg BW) were used to evaluate the influence of substitution corn and extruded corn by different proportions of raw and extruded broken rice on growth performance of pigs. The inclusion of broken rice in the diets improved (P < 0.05) growth performance of pigs during the first week and the 2 weeks post-weaning but not thereafter. However, there was no significant difference in growth performance between treatments in other periods. Overall, this study indicates that feeding weaning pigs with broken rice has beneficial results.
进行了两项试验，以研究挤压对玉米和碎米能量含量以及断奶仔猪生长性能的影响。在试验1中，选用24头公猪（28日龄，体重7.28±0.90千克），比较挤压玉米和碎米对断奶仔猪可消化能量（DE）值的影响。挤压玉米的DE含量（17.45兆焦/千克干物质）比玉米（16.48兆焦/千克干物质）显著提高（P<0.05），提高了5.54%，而挤压碎米（17.66兆焦/千克干物质）和碎米（17.76兆焦/千克干物质）的DE含量未观察到显著差异。在试验2中，选用120头断奶仔猪（21日龄，体重5.76±0.07千克），评估用不同比例的生碎米和挤压碎米替代玉米和挤压玉米对仔猪生长性能的影响。日粮中添加碎米在断奶后第一周和两周内改善了（P<0.05）仔猪的生长性能，但之后没有改善。然而，在其他时期各处理间的生长性能没有显著差异。总体而言，本研究表明用碎米饲喂断奶仔猪有有益效果。
