Potassium diformate in the diet of reproducing sows: effect on performance of sows and litters.
Potassium diformate in the diet of reproducing sows: effect on performance of sows and litters.
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DOI：
10.1016/j.livsci.2008.09.005
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发表时间：
2009-06
影响因子：
1.8
通讯作者：
M. Øverland;P. Bikker;J. Fledderus
中科院分区：
文献类型：
--
作者：
M. Øverland;P. Bikker;J. Fledderus
本试验从母猪及其窝仔的生产性能、营养物质的表观全消化道消化率（TD）、乳成分和母猪粪便微生物群等方面评价了在经产母猪和经产母猪（荷兰×斯堪的纳维亚长白猪）（n=156）日粮中添加二甲酸钾（K-dimorphate，K-dimorphate）的效果。处理包括基础日粮和含有0.8%或1.2%二甲酸钾的基础日粮。实验从交配开始，经过妊娠期和哺乳期，直到下一次交配。母猪在妊娠期间根据商业喂养方案进行限制性喂养，并从分娩后第10天开始自由获取饲料。添加二甲酸钾的饮食增加背膘厚度（P=0.03）的母猪在妊娠期。未观察到对平均每日摄食量或体重增量的影响。二甲酸钾组仔猪个体和窝重增加（P = 0.08），平均日增重增加（P = 0.07），断奶时体重增加（P<0.05）。饲喂0.8%和1.2%二甲酸钾的母猪所产仔猪的出生体重、ADG和断奶体重相似。二甲酸钾对活产猪数、死胎数或仔猪死亡率无影响。日粮中添加1.2%二甲酸钾使灰分TD提高4.9%（P=0.001），粗脂肪TD提高3.4%（P=0.08），计算NE含量提高2.3%（P=0.02）。饲喂二甲酸钾的母猪倾向于（P=0.09）在分娩后第12天显示出乳脂含量增加。总之，在母猪日粮中添加二甲酸钾对母猪妊娠期背膘厚和仔猪生长性能有积极的影响。
The effects of adding potassium diformate (K-diformate) to diets for primiparous and multiparous sows (Dutch×Scandinavian Landrace) (n=156) were evaluated with respect to performance of sows and their litters, apparent total tract digestibility (TD) of nutrients, milk composition, and microbiota of sows' feces. Treatments comprised a basal diet and a basal diet containing 0.8 or 1.2% K-diformate. The experiment lasted from mating, through gestation and lactation until the next mating. Sows were fed restrictively according to a commercial feeding regime during the gestation period, and had free access to feed from d 10 post-farrowing. The addition of K-diformate to diets increased backfat thickness (P=0.03) of sows during gestation. No effects on average daily feed intake or body weight gain were seen. Piglets born to sows receiving K-diformate tended to have increased individual (P=0.05) and litter (P=0.08) birth weight, tended to have increased average daily gain (ADG) (P=0.07) and to be heavier at weaning (P<0.05). Birth weights, ADG, and weaning weights were similar for piglets born from sows fed 0.8 and 1.2% K-diformate. There was no effect of K-diformate on the number of pigs born alive, number of stillborns or mortality rates of piglets. Adding 1.2% K-diformate to diets increased TD of ash by 4.9% (P=0.001) and crude fat by 3.4% (P=0.08), and calculated NE-content by 2.3% (P=0.02). Sows fed K-diformate tended (P=0.09) to show an increased milk fat content on d 12 post-farrowing. In conclusion, adding K-diformate to diets for sows had a positive effect on sows' backfat thickness in gestation and on growth performance of piglets.