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化工>氧化物>锌氧化物>甘氨酸锌螯合物对断奶仔猪生长性能、血液生化指标的影响

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甘氨酸锌螯合物对断奶仔猪生长性能、血液生化指标的影响

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原名 :dietary zinc glycine chelate on growth performance, tissue mineral concentrati, and serum enzyme activity in weanling piglets

译名:日粮甘氨酸锌螯合物对断奶仔猪生长性能、组织矿物质浓度和血清酶活性的影响

第一作者:wang y

期刊:biological trace element research

发表日期:2010dol: 10.1007/s12011-009-8437-3keywords:zinc glycine chelate growth mineral concentration enzyme activity weanling pigs 关键词:甘氨酸锌螯合物,生长,矿物质浓度,酶活性,断奶仔猪

译 文

摘要采用120头杂交仔猪(杜洛克×兰种×约克郡),研究饲粮中添加甘氨酸锌螯合物对仔猪生长性能、组织矿物质浓度和血清酶活性的影响。所有的猪被分配到4个处理中,分别用添加了0、50和100 mg/kg zn甘氨酸锌螯合物或3000 mg/kg zn氧化锌(zno)的基础饲料喂养。经过35天的饲养试验,本研究结果表明,与对照组相比,分别饲喂100 mg/kg锌(含锌甘氨酸螯合物)、3000 mg/kg锌(来源于氧化锌)和血清中锌浓度的猪的平均日增重有所提高(p < 0.05)。100 mg/kg日粮甘氨酸锌螯合物和3000 mg/kg zno均可显著增强背长肌。此外,与3000 mg/kg zno组相比,补充100 mg/kg甘氨酸锌螯合物可降低肝脏铁、锌、脾、肾铜水平(p < 0.05)。在粪便矿物排泄方面,与对照组或100 mg/kg锌甘氨酸螯合物组相比,3000 mg/kg的 zno显著提高了粪便中zn的浓度(p < 0.01)和mn的浓度(p < 0.05)。此外,在100mg /kg的甘氨酸锌螯合物和zno处理下,猪的碱性磷酸酶和铜/锌超氧化物歧化酶活性显著高于对照。本研究结果表明,与高饲粮锌相比,补饲甘氨酸锌螯合物可促进断奶仔猪生长和血清酶活性,并可减少断奶仔猪粪便中锌的排泄。

原 文

one hundred twenty crossbred piglets (duroc × landrace × yorkshire) were used to determine the effects of dietary zinc glycine chelate on growth performance, tissue mineral concentrati, and serum enzyme activity. all pigs were allotted to four treatments and fed with basal diets supplemented with 0, 50, and 100 mg/kg zn as zinc glycine chelate or 3,000 mg/kg zn as zinc oxide (zno). after the 35-day feeding trial, results of the study showed that, compared to the control, average daily gain was improved (p < 0.05) for pigs fed 100 mg/kg zn from zinc glycine chelate or 3,000 mg/kg zn from zno and zn concentrati in serum and m. longissimus dorsiwere significantly enhanced by 100 mg/kg dietary zinc glycine chelate and 3,000 mg/kg zno. in addition, supplementation of 100 mg/kg zinc glycine chelate decreased (p < 0.05) the liver fe level, liver zn level, spleen cu level, and kidney cu level compared to that of the 3,000-mg/kg zno group. for feces mineral excretion, 3,000 mg/kg zn from zno greatly increased the concentration of fecal zn (p < 0.01) and mn (p < 0.05) compared to that of the control or the 100-mg/kg zinc glycine chelate group. moreover, alkaline phosphatase and cu/zn superoxide dismutase activities of pigs in 100 mg/kg zinc glycine chelate and zno treatments were greatly higher than that of the control. the results of present study showed that supplementation with zinc glycine chelate could improve growth and serum enzyme activities and could also decrease zinc excretion in feces in weanling pig compared to high dietary zno.

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