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Levels of mucous IgA in response to gastrointestinal nematode in sheep

Published online by Cambridge University Press:  20 November 2017

P. A. Bricarello ,
A.F.T. Amarante ,
J. Huntley ,
R.A. Rocha  and
S.M. Gennari
P. A. Bricarello
Affiliation:
Laboratório de Nutrição Animal, CENA - USP, Piracicaba - SP, Brazil
A.F.T. Amarante
Affiliation:
Departamento de Parasitologia, Instituto de Biociências, UNESP, Botucatu - SP, Brazil
J. Huntley
Affiliation:
Moredun Research Institute, Edinburgh, UK
R.A. Rocha
Affiliation:
Departamento de Parasitologia, Instituto de Biociências, UNESP, Botucatu - SP, Brazil
S.M. Gennari
Affiliation:
Departamento de Medicina Preventiva e Saúde Animal, FMVZ-USP, São Paulo - SP, Brazil
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Extract

Genetically resistant sheep have been found to exhibit a significantly higher anti-parasite antibody response than random-breed sheep. Increased concentrations of serum IgG and local IgA have been associated with resistance to gastrointestinal parasites (Gill et al., 1993). In the present study, we examined the levels of IgA antibodies in abomasal mucous of naturally and artificially infected sheep of Santa Inês and Europeans breeds of sheep, respectively, resistant and susceptible to Haemonchus contortus infection (Amarante, et al., 2004).

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2004 , 2004 , pp. 202
Copyright
Copyright © The British Society of Animal Science 2004

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References

Amarante, A.F.T.; Bricarello, P.A.; Rocha, R. A.; Gennari, S.M. 2004. Resistance of Santa Ines, Suffolk and Ile de France lambs to naturally acquired gastrointestinal nematode infections. Veterinary Parasitology, in press. Google Scholar
Gill, H.S.; Gray, G.D.; Husband, A.J. 1993. Isotype-specific antibody responses to Haemonchus contortus in genetically resistant sheep. Parasite Immunology, v.15, p.61–67.Google Scholar
Huntley, J.F., Schallig, H.D.F.H., Kooyman, FNJ, Mackellar, A., Jackson, F., Smith, W.D. 1998. IgE antibody during infection with the ovine abomasal nematode, Teladorsagia circumcincta: primary and secondary responses in serum and gastric lymph of sheep. Parasite Immunology, 20, 565–571.CrossRefGoogle ScholarPubMed