喹赛多对肉兔的促生长作用研究.pdfVIP

仲恺农业技术学院学报，21(1)：06～09，2008 Journa／ofZhongkai University ofAgriculture and Technology 文章编号：1006—0774(2008)01一OOO6—04 喹赛多对肉兔的促生长作用研究 姚观崇，林彬全，郭俊杰，田允波 (仲恺农业技术学院生命科学学院，广东广州510225) 摘要：选择30日龄体重相近的齐卡肉兔60只，随机分成5组，对照组饲喂基础日粮，试验组分别于基础日粮中 添加喹赛多50 mg／kg、100 mg／kg或喹乙醇50 mg／kg、100 mg／kg进行饲养试验．结果表明，试验组肉兔的日增 重提高7．03％～17．15％，饲料报酬提高13．oo％～14．32％，肉兔腹泻率降低34．71％～49．68％，屠宰率分别提 高5．o4％、7．73％、3．50％和5．66％，与对照组相比差异显著 (P0．05)；试验组肉兔肌肉脂肪含量呈不同程 度的下降，以添加100 mg／kg喹赛多组下降最明显 (21．24％)；血清类胰岛素生长因子一I(Insulin—like growth factor—I，IGF—I)、三碘甲腺原氨酸 (3，5，3 triiodothyronine，L)和四碘甲腺原氨酸 (3，5，3 ， 5 tetraiodothyronine，T4)含量有所提高，以添加100 mg／kg喹赛多组作用最为明显，IGF—I、T3和T4含量分 别比对照组提高64．27％、56．61％和21．45％，与对照组相比差异显著 (P0．05)．喹赛多的促生长效果优于 喹乙醇，适宜添加量为100 mg／kg． 关键词：齐卡兔；喹赛多；喹乙醇；生产性能；内分泌激素 中图分类号：S816．73 文献标识码：A Effects of Cyadox on the growing performance of Zika rabbits YAO Guan—chong，LIN Bin—quart，GUO Jun-jie，TIAN Yun—bo‘ (College of Life Sciences，Zhongkai University of A culture and Technology，Guangzhou 510225，China) Abstract：Sixty meat rabbits of 30 days old with similar weight were randomly allotted to five treatments， reared on either a based diet(Control group，CK)or a based diet supplemented with 50 mg／kg Cyadox (CYA1)，100 mg／kg Cyadox(CYA2)，50 mg／kg Olaquindox(OLA1)or 100 mg／kg Olaquindox (OIA2)．The results of feeding experiment showed that supplementation of Cyadox and Olaquindox sig— nificanfly increased ADG by 7．03％ 一17．15％ ，increased FCR by 13．o0％ 一14．32％ and decreased diarrhea rate by 34．71％一49．68％ compared with those of CK(P0．05)．The dressing ratio of CYA1，CYA2，OLA1 and OIA2 Was higher than that of CK by 5．04％ ，7．73％ ，3．50％ and 5．66％ ， respectively(P0．05)，and the crude fat of them was lower than that of CK，especially in CAY2 which was decreased by 21．24％ (P0．05)．The concentration of IGF—I，T