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首页> 外文期刊>Journal of Applied Animal Research >Effects of dietary supplementation of chelated water-soluble mineral mixture on growth performance, nutrient digestibility, blood profiles and faecal micro flora in weanling pigs
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Effects of dietary supplementation of chelated water-soluble mineral mixture on growth performance, nutrient digestibility, blood profiles and faecal micro flora in weanling pigs

机译：日粮添加螯合水溶性矿物质混合物对断奶仔猪生长性能，养分消化率，血液分布和粪便微生物区系的影响

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ABSTRACT A total of 105 [(Landrace ???? Yorkshire) ???? Duroc] pigs with an initial body weight (BW) of 7 ???± 1.58 kg were used in a 5-week experiment in two phases to test the efficacy of supplementation of chelated mineral mixture on piglet performance. Pigs were randomly allocated to one of three treatments [five pigs per pen (three barrows and two gilts); seven pens per treatment]. Treatments consisted of: CON; basal diet, TRT1; basal diet + 0.89% chelated mineral mixture and TRT2; basal diet + 0.55% chelated mineral mixture. Pigs fed TRT1 and TRT2 had increased ( P < .05) gain/feed ratio during the first phase and overall and had greater ( P < .05) average daily gain (ADG) during the second phase compared with CON. Pigs fed TRT1 had greater (P < .05) ADG overall and had higher ( P < .05) dry matter (DM) digestibility during the first phase. On day 35, the concentrations of Fe and Cu in blood serum were higher ( P < .05) in TRT1 and TRT2 but Ca concentration increased ( P < .05) and faecal Escherichia coli counts reduced in TRT1 compared with CON. In conclusion, our results indicated that chelated mineral mixture have beneficial effects in pigs.
机译：摘要总计105 [（Landrace ???? Yorkshire）????在5周的实验中，分两个阶段使用初始体重（BW）为7±1.58千克的Duroc]猪，以测试补充螯合矿物质混合物对仔猪生产性能的影响。猪被随机分配为三种处理之一（每只猪五头猪（三头猪和两头母猪）;每次治疗7支笔]。处理包括：CON;基础饮食，TRT1;基础饮食+ 0.89％的螯合矿物质混合物和TRT2;基础饮食+ 0.55％螯合的矿物质混合物。与CON相比，在第一阶段和总体上，饲喂TRT1和TRT2的猪的增重/饲喂比例增加（P <.05），第二阶段的平均日增重（ADG）更大（P <.05）。在第一阶段中，饲喂TRT1的猪的ADG总体较高（P <.05），干物质（DM）的消化率较高（P <.05）。在第35天，与CON相比，TRT1和TRT2中血清中的Fe和Cu浓度较高（P <.05），但TRT1中Ca浓度增加（P <.05），粪便大肠杆菌计数减少。总之，我们的结果表明，螯合的矿物质混合物对猪具有有益的作用。

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