van den Brand H, van Enckevort L C M, van der Hoeven E M, Kemp B
Adaptation Physiology Group, Wageningen University, 6700 AH Wageningen, the Netherlands.
Reprod Domest Anim. 2009 Dec;44(6):884-8. doi: 10.1111/j.1439-0531.2008.01106.x.
Effects of dextrose plus lactose in sow's feed were tested on subsequent reproductive performance and within litter birth weight variation. During the last week of gestation and lactation, sows were either fed a commercial lactation diet (Control: C), or an isocaloric diet containing 25 g/kg dextrose plus 25 g/kg lactose (
T). In the subsequent weaning-to-oestrus interval (WEI), all sows received the same amount of a commercial feed, but T sows were supplemented with 150 g dextrose plus 150 g lactose per day. Weight and backfat changes were recorded as well as litter characteristics during the treatment period and the subsequent parity. No significant effect of treatment was found on the subsequent reproductive performance, including the number of piglets born, although the number of live born piglets was 0.51 larger (p=0.31) and weight of the live born piglets was 84 g higher in the T sows (p=0.07) than in the C sows. When sows were categorized in sows with 12 or less and more than 12 total born piglets in the previous litter, treatment of sows with dextrose plus lactose resulted for the group with 12 or less piglets in a strong increase in subsequent total born piglets (13.97), whereas in the untreated sows the subsequent litter size was 11.89. In the group with more than 12 total born piglets, no effect of treatment was found (interaction between previous litter size and treatment p=0.03). The within litter variation in birth weight in the subsequent litter was numerically lower in the T sows. We concluded that the use of dextrose and lactose during lactation and WEI seems to enhance litter size in sows with low previous litter size and seems to have the potential to reduce the within litter variation in birth weight.
对母猪饲料中添加葡萄糖和乳糖对后续繁殖性能及窝内出生体重差异的影响进行了测试。在妊娠和泌乳的最后一周，母猪要么饲喂商业泌乳日粮（对照组：C），要么饲喂含25克/千克葡萄糖加25克/千克乳糖的等热量日粮（处理组：T）。在随后的断奶至发情间隔期（WEI），所有母猪都接受相同量的商业饲料，但T组母猪每天额外补充150克葡萄糖加150克乳糖。记录了处理期及后续胎次期间的体重和背膘变化以及窝特征。处理对后续繁殖性能（包括产仔数）没有显著影响，尽管T组母猪的活产仔猪数比C组母猪多0.51头（p = 0.31），且活产仔猪体重高84克（p = 0.07）。当根据前一窝总产仔数将母猪分为12头及以下和超过12头两组时，对于前一窝产仔数为12头及以下的母猪组，添加葡萄糖和乳糖处理使后续总产仔数大幅增加（13.97头），而未处理的母猪后续窝产仔数为11.89头。在前一窝总产仔数超过12头的组中，未发现处理有影响（前一窝产仔数与处理的交互作用p = 0.03）。T组母猪后续窝中出生体重的窝内差异在数值上较低。我们得出结论，在泌乳期和断奶至发情间隔期使用葡萄糖和乳糖似乎能提高前一窝产仔数较低的母猪的窝产仔数，并且似乎有潜力减少窝内出生体重差异。
