Genetic resistance to haemonchosis in sheep.

  title={Genetic resistance to haemonchosis in sheep.},
  author={G Douglas Gray},
  journal={Parasitology today},
  volume={3 8},
Parasitic nematodes cause huge economic losses to the domestic livestock industry. Control requires skilled farm management and heavy use of anthelmintics, but breeding for resistant animals has long been held a possibility. For about 20 years after World War ll, the genetics of association between sheep breeds and Haemonchus contortus - the main parasite of importance in sheep - was studied in the USA and Europe. Since the early 1970s, however, such studies have received greater emphasis in… CONTINUE READING

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