The effects of applying ME values for high or low-oil corn distillers dried grains with solubles originating from prediction equations on the reproductive performance, colostrum and blood composition as well as diet digestibility for sows in late gestatio
The effects of applying ME values for high or low-oil corn distillers dried grains with solubles originating from prediction equations on the reproductive performance, colostrum and blood composition as well as diet digestibility for sows in late gestatio
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应用来自预测方程的高油或低油玉米酒糟的可溶物干粮的 ME 值对妊娠晚期母猪的繁殖性能、初乳和血液成分以及日粮消化率的影响
DOI：
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发表时间：
2020
影响因子：
3.2
通讯作者：
X.S. Piao
中科院分区：
文献类型：
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作者：
X. Xu;Q.Y. Tian;X.K. Ma;S.F. Long;X.S. Piao
本试验应用高油和低油玉米干酒糟（DDGS）的代谢能（ME）值预测妊娠后期母猪的繁殖性能、初乳和血液成分以及日粮消化率。在妊娠第85天，将84头母猪（长白猪×约克郡，平均产次为3.91次）以2 × 3析因分配至7个处理组中的1个，阳性对照组为12头母猪/处理组。母猪饲喂以玉米-豆粕为基础的饲料，并补充高油或脱脂玉米DDGS，其中1/3的包含率（15、30或45%）。对照饮食是以玉米-豆粕为基础的。使用从玉米DDGS的预测方程和NRC（2012）的其他成分的预测方程获得的ME值来配制实验饮食。饲喂这些饲料的母猪的繁殖性能无差异。饲喂脱脂玉米DDGS的母猪初乳和血清蛋白质含量显著低于饲喂高油玉米DDGS的母猪（P < 0.05）。随着日粮中玉米DDGS添加量的增加，干物质和总能的表观全消化道消化率（ATTD）显著降低（P < 0.05），而DE无显著差异。日粮中添加脱脂玉米DDGS的母猪，其粗蛋白和可消化粗蛋白的ATTD均显著低于添加高油玉米DDGS的母猪（P < 0.05）。饲喂脱油玉米DDGS饲料的母猪乙醚提取物的ATTD高于饲喂高油玉米DDGS饲料的母猪（P < 0.05），并且油的ATTD随着玉米DDGS包含率的增加而线性增加（P < 0.001）。总之，高油玉米和脱脂玉米DDGS的代谢能预测方程可用于配制母猪妊娠后期的日粮，而不会对繁殖性能产生任何负面影响。
This experiment was conducted to apply metabolizable energy (ME) values for high or low-oil corn distillers dried grains with solubles (DDGS) originating from prediction equations on the reproductive performance, colostrum and blood composition as well as diet digestibility of sows in late gestation. On d 85 of gestation, 84 sows (Landrace x Yorkshire with an average parity of 3.91) were allotted to 1 of 7 treatments in a 2 x 3 factorial with a positive control with 12 sows per treatment. Sows were fed corn-soybean meal-based diets supplemented with either a high-oil or de-oiled corn DDGS at 1 of 3 inclusion rates (15, 30, or 45%). The control diet was corn-soybean meal-based. The experimental diets were formulated using ME values obtained from prediction equations for corn DDGS and NRC (2012) for other ingredients. There were no differences in the reproductive performance of sows fed these diets. The concentrations of protein in colostrum and serum of sows fed the diets containing de-oiled corn DDGS were lower compared with sows fed high-oil corn DDGS (P < 0.05). The apparent total tract digestibility (ATTD) of dry matter (DM) and gross energy (GE) decreased as the inclusion rates of corn DDGS in the diet increased (P < 0.05), while the DE in these diets did not differ. Both the ATTD of crude protein (CP) and digestible CP for sows fed the diets containing de-oiled corn DDGS were lower compared with sows fed high-oil corn DDGS (P < 0.05). The ATTD of ether extracts for sows fed the diets containing de-oiled corn DDGS was higher compared with sows fed diets containing high-oil corn DDGS (P < 0.05) and the ATTD of oil increased linearly as the inclusion rates of corn DDGS increased (P < 0.001). In conclusion, prediction equations for ME for high-oil and de-oiled corn DDGS can be used to formulate diets for sows in late gestation without any negative effects on reproductive performance.