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Infections with Heterakis gallinarum in chickens following recovery from histomoniasis

  • L. P. Joyner (a1)


Chickens which have recovered from an initial Histomonas infection are better hosts for Heterakis gallinarum than chickens which are fully susceptible to Histomonas. Not only do they support more nematodes but the immature worms, measured 12 and 14 days after infection, are larger.

Acknowledgements are due to Miss C. N. Hebert who carried out the statistical analysis and to Mr C. C. Norton for technical assistance.



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Clapham, P. A. (1934). Some observations on the response of chickens to infestation with Heterakis gallinae. J. Helminth. 12, 71–8.
Clarkson, M. J. (1963). Immunological responses to Histomonas meleagridis in the turkey and fowl. Immunology, 5, 156–68.
Lund, E. E. (1958). Growth and development of Heterakis gallinae in turkeys and chickens infected with Histomonas meleagridis. J. Parasit. 44, 297301.
Madsen, H. (1962 a). On the interaction between Heterakis gallinarum, Ascaridia galli, ‘Blackhead’ and the chicken. J. Helminth. 36, 107–42.
Madsen, H. (1962 b). Problems of blackhead transmission. Parasitology, 52, 7P.
Norton, C. C. & Joyner, L. P. (1965). The experimental chemotherapy of Capillaria obsignata. J. comp. Path. 75, 137–45.
Roberts, F. H. S. (1937). Studies on the life history and economic importance of Heterakis gallinae (Gmelin, 1790) Freeborn 1923, the caecum worm of fowls. Aust. J. exp. Biol. med. Sci. 15, 429–39.
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Venkataratnam, A. & Clarkson, M. J. (1963). The effect of histomoniasis on the blood cells of the fowl. Res. vet. Sci. 4, 603–7.
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  • ISSN: 0031-1820
  • EISSN: 1469-8161
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