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Effects of dietary glucose level during late gestation on litter performance and glucose concentration in sows.

机译:妊娠后期饮食中葡萄糖水平对母猪产仔性能和葡萄糖浓度的影响。

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The effects of feeding glucose during the 5 days before parturition on litter performance and on glucose concentration in sows were studied. At day 100 of gestation, 130 multiparous sows were assigned to the treatments. Late gestating sows were fed 0 g, 150 g, 250 g, 350 g and 450 g of glucose a day, respectively. During lactation, all sows were given free access to the same lactation diet (without glucose). One day before parturition, blood samples were collected from 30 sows (6 sows per treatment) at 10 before and 20, 40, 60 and 80 min after the meal. The supply of additional dietary glucose increased piglet birth weight (P<0.05). Feed intake in week 1 and week 1-4 of lactation was greatest in sows fed the 0% glucose diet, least by sows fed the 18% glucose diet, and intermediate by sows fed the 6, 10, 14% glucose diets (P<0.05). Basal glucose concentration and time of maximum glucose concentration after glucose intake were not affected by dietary treatment in the last 5 days of gestation. The sows fed the 14 and 18% glucose diets had greater maximum increase in glucose concentration than sows fed diet without glucose (P<0.05). In conclusion, feeding glucose to sows during 5 days before parturition increased birth weight of live-born piglet and decreased sows feed intake during lactation, but did not affect the performance of sows and piglets.
机译:研究了分娩前5天喂饲葡萄糖对产仔性能和母猪葡萄糖浓度的影响。在妊娠的第100天,将130头多头母猪分配给这些治疗。妊娠后期母猪每天分别饲喂0 g,150 g,250 g,350 g和450 g葡萄糖。泌乳期间,所有母猪都可以自由进食相同的泌乳日粮(不含葡萄糖)。分娩前一天,在进餐前10分钟,进餐后20、40、60和80分钟从30头母猪(每处理6头母猪)采集血样。补充饮食中的葡萄糖会增加仔猪的出生体重( P <0.05)。哺乳期第1周和第1-4周的采食量在饲喂0%葡萄糖日粮的母猪中最大,至少在饲喂18%葡萄糖日粮的母猪中最少,而在饲喂6、10、14%葡萄糖日粮的母猪中的采食量最大( P <0.05)。在妊娠的最后5天,饮食处理不影响基础葡萄糖浓度和摄取葡萄糖后最大葡萄糖浓度的时间。饲喂14%和18%葡萄糖日粮的母猪比未饲喂葡萄糖的母猪的最大葡萄糖浓度增加更大( P <0.05)。总之,在分娩前5天向母猪饲喂葡萄糖会增加活产仔猪的出生体重,并减少泌乳期母猪的采食量,但不会影响母猪和仔猪的性能。

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