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1、黑龙江畜牧兽医科技版1蛋氨酸铜对肉鸡生长性能及某些生理生化指标的影响122222王荣梅,苏荣胜,曹华斌,李和平,李成梅,唐兆新(1.韶关学院英东生物工程学院农业科学系,广东韶关512005;2.华南农业大学兽医学院,广东广州510642)中图分类号:S816.71文献标识码:A文章编号:10047034(2009)03-0001-03关键词:蛋氨酸铜;肉仔鸡;生长性能;血液参数摘要:选择1日龄健康AA肉仔鸡120只,随机分成4组,使用蛋氨酸铜作为铜源,对照组基础日粮铜含
2、量为11mg/kg,3个试验组日粮中铜含量分别为110mg/kg、220mg/kg和330mg/kg,各试验组肉仔鸡均饲喂添加蛋氨酸铜的玉米-豆饼型日粮至60日龄结束试验。在12,24,36,48,60日龄称量各组鸡体重并计算出36,60日龄时的料肉比;在12,36,60日龄采血,进行红细胞数、血红蛋白含量及血清GH、T3、T4水平的测定。结果表明:与对照组相比,日粮中含铜110mg/kg、220mg/kg和330mg/kg对雏鸡生长有明显的促进作用(P<0.05),料肉比稍有提高,但与对照组差异不显著(P>0.05);血
3、液红细胞数和血红蛋白含量都在正常范围内,没有出现异常减少;高铜(110mg/kg、220mg/kg和330mg/kg)组鸡血清GH水平均低于对照组,而T3、T4浓度均显著高于对照组(P<0.05)。结果说明高铜可促进肉鸡生长,影响血清中与生长有关的激素水平。Effectsofcoppermethionineongrowthperformanceandsomebloodphysiological-biochemicalindicesinbroiler122WANGRong-mei,SURong-sheng,TANGZhao-
4、xin,etal(1.ShaoguanUniversity,Shaoguan512005,China;2.CollegeofVeterinaryMedicine,SouthChinaAgriculturalUniversity,Guangzhou510642,China)Keywords:Coppermethionine;broiler;growthperformance;bloodparameterAbstract:OnehundredandtwentyhealthyAAbroilers,oneday-old,wered
5、ividedintofourgroupsrandomly.Basedonthecontrolgroup(Cu11mg/kg),threeexperimentalgroupsweresetup,theywere110mg/kg,220mg/kgand330mg/kgrespectively,alloftheexperimentalbroilerswerefedwithcorn-soybeanmealcontainingcoppermethioninefor60days.Broilersofeachgroupwereweigh
6、edonday12,24,36,48and60ofthetria.lRatebreedandmeatwasmeasuredonday36and60.BloodsampleswerecollectedformeasurementofGH,T3,T4onday12,36and60daysold.Theresultsshowedthat,comparedwiththecontrolgroup,growthofchicksofhighcoppergroup110mg/kg,220mg/kgand330mg/kgobviousrol
7、einpromoting(P<0.05),feedconversionrateslightlybetterthanthecontrolgroup,butnosignificantdifference(P>0.05).Blooderythrocytes(RBC)andhemoglobincontent(HB)werewithinnormalrange,therehasbeennounusualreduction.SerumGHlevelofcoppergroup110mg/kg,220mg/kgand330mg/kgbel
8、owtheaveragecontrolgroup,andT3,T4concentrationwerehigher(P<0.05).Testresultsshowedhighcoppercanpromotethegrowthofbroilerandhavetheimpactonserumhormoneof
