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3. Trichostrongylus colubriformis and Ostertagia sp resistant to levamisole, morantel tartrate and thiabendazole: isolation into pure strain and anthelmintic titration. Whitlock HV, Sangster NC, Gunawan M, Porter CJ, Kelly JD. Res Vet Sci; 1980 Jul; 29(1):31-5. PubMed ID: 7455351 [Abstract] [Full Text] [Related]
10. Anthelmintic efficacy of low-dose phenothiazine against strains of sheep nematodes susceptible or resistant to thiabendazole, levamisole and morantel tartrate: efficiency against sequentially administered infections. Kelly JD, Whitlock HV, Porter CJ, Griffin D, Martin IC. Res Vet Sci; 1981 Mar; 30(2):170-4. PubMed ID: 7255907 [Abstract] [Full Text] [Related]
11. [Benzimidazole resistant Ostertagia circumcincta in Angora goats]. van Schalkwyk PC, Schröder J. J S Afr Vet Assoc; 1989 Jun; 60(2):76-8. PubMed ID: 2607534 [Abstract] [Full Text] [Related]
12. Field evaluation of a mixture of albendazole sulphoxide and levamisole against Ostertagia and Trichostrongylus spp in sheep. Anderson N, Martin PJ, Jarrett RG. Aust Vet J; 1991 Apr; 68(4):133-6. PubMed ID: 2069540 [Abstract] [Full Text] [Related]
13. The efficacy of mixtures of albendazole sulphoxide and levamisole against sheep nematodes resistant to benzimidazole and levamisole. Anderson N, Martin PJ, Jarrett RG. Aust Vet J; 1991 Apr; 68(4):127-32. PubMed ID: 2069539 [Abstract] [Full Text] [Related]
16. South African field strains of Haemonchus contortus resistant to the levamisole/morantel group of anthelmintics. van Wyk JA, van Schalkwyk PC, Gerger HM, Visser EL, Alves RM, van Schalkwyk L. Onderstepoort J Vet Res; 1989 Dec; 56(4):257-62. PubMed ID: 2696916 [Abstract] [Full Text] [Related]
18. Investigations for anthelmintic resistance in gastrointestinal nematodes from goats. Hall CA, Ritchie L, McDonell PA. Res Vet Sci; 1981 Jul; 31(1):116-9. PubMed ID: 6895558 [Abstract] [Full Text] [Related]