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| Content Provider | PubMed Central |
|---|---|
| Author | Pierce, A. E. |
| Abstract | Complete immunity to a challenge dose of 100,000 sporulated oocysts of Eimeria tenella was developed in fowls 14 days after they had received the last of three graded doses of oocysts of this species, whereas uninfected fowls of comparable age were fully susceptible. In fowls similarly immunized, no detectable first-generation schizogony developed from challenge doses of 10 million oocysts administered to each fowl 21 days after the last of the three graded doses had been administered. Precipitating antibodies were demonstrated in some but not all of these immune fowls by the agar-gel diffusion technique. Precipitin bands, developed as the result of infection, showed a reaction of identity with those induced by parenteral injection of schizont antigen and most of the bands appeared to be directed against protein antigens. Cross reactions were observed between E. tenella antiserum and antigens prepared from the species of coccidia, E. tenella from the fowl and the species E. stiedae from the rabbit. |
| Starting Page | 129 |
| File Format | |
| ISSN | 13652567 |
| e-ISSN | 13652567 |
| Journal | Immunology |
| Issue Number | 1 |
| Volume Number | 5 |
| Language | English |
| Publisher Date | 1962-01-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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