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地塞米松对AA肉鸡生产性能及红、白细胞数量的影响 被引量:6

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摘要 为了研究地塞米松(dexamethasone,DEX)对AA肉鸡生长后期增重、料重比及红、白细胞数量的影响,试验将28日龄AA肉鸡20只随机分为试验组和对照组(n=10)。预饲7 d,空腹称重后,试验组和对照组分别按2 mg/kg和2 mL/kg体重剂量胸部肌肉注射DEX和生理盐水,连续注射7 d,每天记录采食量,于42日龄再次空腹称重,计算料重比;颈静脉采血,进行红、白细胞的计数。结果试验组AA肉鸡增重低于对照组,差异显著(P<0.05),料重比明显高于对照组,且差异极显著(P<0.01);红、白细胞数量分别提高了20.23%、36.32%,与对照组相比,差异极显著(P<0.01)。结论为2 mg/kg体重剂量的DEX能降低AA肉鸡生长后期生产性能,影响肉鸡外周血液中红、白细胞的含量。
出处 《黑龙江畜牧兽医(下半月)》 CAS 2014年第1期84-85,共2页
基金 安徽省教育厅自然科学研究项目(KJ2013B081) 安徽科技学院自然科学研究项目(ZRC2013334)
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