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Correspondence

Re: Regional variations in the nematode worm populations of breeding ewes in New Zealand

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Page 248 | Received 25 Aug 2003, Published online: 22 Feb 2011

References

  • Dobson , RJ , Barnes , EH and Windon , RG . 1992 . Population dynamics of Trichostrongylus colubriformis and Ostertagia circumcincta in single and concurrent infections . International Journal for Parasitology , 22 : 997 – 1004 .
  • Hervé , M , McAnulty , RW , Logan , CM and Sykes , AR . 2003 . Regional variations in the nematode worm populations of breeding ewes in New Zealand . New Zealand Veterinary Journal , 51 : 159 – 164 .
  • Leathwick , DM , Miller , CM , Vlassoff , A and Sutherland , IA . 1997 . The death rate of Ostertagia circumcincta and Trichostrongylus colubriformis in lactating ewes: Implications for anthelmintic resistance . International Journal for Parasitology , 27 : 411 – 416 .
  • McKenna , PB . 1995 . The identity of nematode genera involved in cases of ovine anthelmintic resistance in the southern North Island of New Zealand . New Zealand Veterinary Journal , 43 : 225 – 227 .
  • Sutherland , IA , Brown , AE and Leathwick , DM . 2000 . Selection for drug-resistant nematodes during and following extended exposure to anthelmintic . Parasitology , 121 : 217 – 226 .
  • 1973 . Seasonal incidence of infective trichostrongyle larvae on pasture grazed by lambs . New Zealand Journal of Experimental Agriculture , 1 : 293 – 301 .

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