Anthelmintic resistance revisited: Under-dosing, chemoprophylactic strategies, and mating probabilities

International Journal for Parasitology

Volumn 29, Issue 1, 1999, Pages 77-91

  Smith, Gary ^a   Grenfell, Bryan T ^b   Isham, Valerie ^c   Cornell, Stephen ^b  

^a UNIVERSITY OF PENNSYLVANIA   (United States)

^b Department of Zoology ^*  (United Kingdom)

^c UNIVERSITY COLLEGE LONDON   (United Kingdom)

Author keywords

Anthelmintic resistance; Mathematical model; Parasite distributions; Spatial heterogeneity in transmission; Stochastic model; Under dosing

Indexed keywords

ANTHELMINTIC AGENT; AVERMECTIN; BENZIMIDAZOLE;

CONTROLLED STUDY; EGG PRODUCTION; GENETIC RESISTANCE; HELMINTHIASIS; HOMOZYGOTE; INHERITANCE; MATHEMATICAL MODEL; NONHUMAN; PARASITOSIS; REVIEW; STOCHASTIC MODEL;

TRICHOSTRONGYLIDAE;

EID: 0032894249     PISSN: 00207519     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0020-7519(98)00186-6     Document Type: Article

References (41)

1. Smith G. The population biology of the parasitic phase of Haemonchus contortus. Parasitology 1988;96:105-195.
2. Smith G. The population biology of the free living phase of Haemonchus contortus. Parasitology 1990;101:309-316.
3. Smith G, Galligan DT. Mathematical models of the population biology of Ostertagia ostertagi and Teladorsagia circumcincta, and the economic evaluation of disease control strategies. Vet Parasitol 1988;27:73-83.
4. Smith G. Mathematical model for the evolution of anthelmintic resistance in a direct life-cycle nematode parasite. Int J Parasitol 1990;20:913-921.
5. Le Jambre L. Genetics of anthelmintic resistance in parasitic nematodes. Braz J Vet Parasitol 1997;6(Suppl 1):379-392.
6. Leyton MK. Stochastic models in populations of helminthic parasites in the definitive host. II. Sexual mating functions. Math Biosci 1968;3:413-419.
7. May RM. Togetherness among schistosomes: Its effect on the dynamics of infection. Math Biosci 1977;35:301-343.
8. May RM, Woolhouse MEJ. Biased sex ratios and parasite mating probabilities. Parasitology 1993;107:287-295.
9. Guyatt HL, Bundy DAP. Estimation of intestinal nematode prevalence: Influence of parasite mating patterns. Parasitology 1993;107:99-106.
10. Coyne MJ, Smith G, Johnstone C. A study of the mortality and fecundity of Haemonchus contortus in sheep following experimental infection. Int J Parasitol 1991:21:847-853.
11. Smith G. Chemotherapy: Future problems. In: Hookworm Disease: Current Status and New Directions. 75th Anniversary of the Rockefeller Foundation. Basingstoke: Taylor and Francis. 1990;291-303.
12. Anderson RM, May RM. Infectious Diseases of Humans: Dynamics and Control. Oxford: Oxford University Press, 1991.
13. Miller HRP, Jackson F, Newlands G, Appleyard WT. Immune exclusion, a mechanism of protection against the ovine nematode Haemonchus contortus. Int J Parasitol 1983:35:357-363.
14. Jackson F, Miller HRP, Newlands GFJ, Wright SE, Hay LA. Immune exclusion of Haemonchus contortus larvae in sheep: Dose dependency, steroid sensitivity and persistence of the response. Res Vet Sci 1988;44:320-323.
15. Seaton DS, Jackson F, Smith WD, Angus KW. Development of immunity to incoming radiolabelled larvae in lambs continuously infected with Ostertagia circumcincta. Res Vet Sci 1989;46:241-246.
16. Seaton DS, Jackson F, Smith WD, Angus KW. Development of immunity to incoming radiolabelled larvae in lambs continuously infected with Trichostrongylus ritrimus. Res Vet Sci 1989;46:22-26.
17. Smith G. Population biology of the parasitic phase of trichostrongylid nematode parasites of cattle and sheep. Int J Parasitol 1994;24:167-178.
18. Smith G. Density dependent mechanisms in the regulation of Fasciola hepatica populations in sheep. Parasitology 1984;88:449-461.
19. Roberts M, Smith G. Grenfell BT. Mathematical models for macroparasites of wildlife. In: Dobson A. Grenfell BT, editors. Ecology of Infectious Diseases in Natural Populations. Cambridge: Cambridge University Press 1995;77-208.
20. Gordon HM. The diagnosis of helminthosis in sheep. Vet Med Rev 1967:140-68.
21. Coyne MJ, Smith G, Johnstone C. Fecundity of gastrointestinal trichostrongylid nematodes of sheep in the field. Am J Vet Res 1991;52:1182-1188.
22. Michel JF. Some observations on the worm burdens of calves infected daily with Ostertagia ostertagi. Parasitology 1969;59:575-595.
23. Borgsteede FHM. Observations on the post-parturient rise of nematode egg output in cattle. Vet Parasitol 1978:4:385-391.
24. Roberts MG, Grenfell BT. The population dynamics of nematode infections of ruminants: Periodic perturbations as a model for management. IMA J Math Appl Med Biol 1991;8:83-93.
25. Roberts MG, Grenfell BT. The population dynamics of nematode infections in ruminants: The effect of seasonality in the free-living stages. IMA J Math Appl Med Biol 1992;9:29-41.
26. Smith G, Guerrero J. Mathematical models for the population of Ostertagia ostertagi and the significance of aggregated parasite distributions. Vet Parasitol 1993:46:243-257.
27. Delatour P, Benoit E, Lechenet J, Besse S. Pharmokinetics in sheep and cattle of albendazole administered by an intraruminal slow release capsule. Res Vet Sci 1990;48:271-275.
28. Martin PJ, Le Jambre LF, Claxton JH. The impact of refugia on the development of thiabendazole resistance in Haemonchus contortus. Int J Parasitol 1981:11:35-41.
29. Gettinby G, Soutar A, Armour J, Evans P. Anthelmintic resistance and the control of ovine ostertagiasis: A drug action model for genetic selection. Int J Parasitol 1989;19:369-376.
30. Barnes EH, Dobson RJ. Population dynamics of Trichostrongylus colubriformis in sheep: Computer model to simulate grazing systems and the evolution of anthelmintic resistance. Int J Parasitol 1990;20:823-831.
31. Saul A. Computer model of the maintenance and selection of genetic heterogeneity in polygamous helminths. Parasitology 1995;111:531-536.
32. Tallis GM, Leyton M. A stochastic approach to the study of parasite populations. J Theor Biol 1966;13:251-260.
33. Tallis GM, Leyton M. Stochastic models of populations of helminthic parasites in their definitive hosts, I. Math Biosci 1969;4:39-48.
34. Grenfell BT, Dietz K, Roberts MG. Modelling the immuno-epidemiology of macroparasites in wildlife host populations. In: Grenfell BT, Dobson AP, editors. Ecology of Infectious Diseases in Natural Populations. Cambridge: Cambridge University Press. 1995:362-83.
35. Grenfell BT, Wilson K, Isham VS, Boyd HEG, Dietz K. Modelling patterns of parasite aggregation in natural populations: Trichostrongylid nematode ruminant interactions as a case study. Parasitology 1995;111:S135-S151.
36. Isham V. Stochastic models of host parasite interactions. Ann Appl Prob 1995;5:720-740.
37. Anderson RM, May RM, Gupta S. Non-linear phenomena in host parasite interactions. Parasitology 1995;99:S59-S79.
38. Prichard RK, Hall CA, Kelly JD, Martin ICA, Donald AD. The problem of anthelmintic resistance in nematodes. Aust Vet J 1980:56:239-250.
39. Edwards JR, Wroth R, de Channeet GC, et al. Survey of anthelmintic resistance in western Australian sheep flocks 2. Relationship with sheep management and control practices. Aust Vet J 1987;63:139-144.
40. Armour J, Bairden K, Batty AF, Davison CC, Ross DB. Persistent anthelmintic activity of ivermectin in cattle. Vet Rec 1985;116:151-153.
41. Ayala FJ. Population and Evolutionary Genetics: A Primer. Menlo Park, CA: Benjamin Cummings Publishing, 1984.