5ADETUNJI V O,BELLEH E D,ODETOKUN I A,et al.Assessment of tetracycline,lead and cadmium residues in frozen chicken vended in lagos and ibadan,nigeria[J].Pakistan Journal of Biological Sciences,2013,15(17):89-98.
6ALLEN H K.Call of the wild: antibiotic resistance genes in natural environment [J].Nature Reviews Microbiology,2010,8(4):251-259.
7STANTON T B,HUMPHREY S B,STOFFREGEN W C.Chlortetracyckine-resistant intestinal bacteria in organically raised and feral swine[J].Applied and Environmental Microbiology,2011,7(20):7167-7170.
8ISOLAURI E.SUTAS Y,KANKAANPAA P,et a1.Probiotics:effects on immunity[J].Am J ClinNutr,2001,72(2):444-450.
9BOYANOVA L,MITOV I.Coadministration of probiotics with antibiotics:why,when and for how long?[J].Expert Review of Antiinfective Therapy,2012,10(4):407-409.
10ARSLAN C.Effect of dietary probiotic supplementation on growth perfomance in the Rock Parlridge (Alectoris graeca) [J].Turk Joumal of Veterinaryt and Animal Science,2004,28:887-891.