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Immune responses in chickens against Eimeria tenella antigen [electronic resource].

By:

Badawy, G.A

Contributor(s):

Aggour, M.G

Language: engbara Description: p.178-189Other title:

الاستجابة المناعية فى الدجاج ضد انتجن الايميريا تينيلا [Added title page title]

Uniform titles:

Assiut veterinary medical journal, 2006 v. 52 (110) [electronic resource].

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In: Assiut Veterinary Medical Journal 2006.v.52(110)Summary: The chicken on 2nd and 18th day of age were immunized subcutaneously with Eimeria tene/la sporozoite antigen (25 ug per chicken) emulsified in freund's complete adjuvant (FCA) showed protection against challenge with homologous sporulated oocyst (104 ) at 32 day ofage. The immunization efficacy was greater than those immunized with the antigen or FCA alone as compared with the unimmunized control. This was evident by areduced number of oocyst production (l.27±0.16) x 101 per gram feces, lower mean lesion scores (+1.6) with no mortalities. Lymphocyte migration (LM) index represented the cell mediated immune response (CMIR) indicated that its peak reached between day 10 and day 32 post-immunization in chickens immunized with Eimeria tenella sporozoite antigen. ELISA antibodies were detected on day 16 and reached peak on day 40 post-immunization.

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The chicken on 2nd and 18th day of age were immunized subcutaneously with Eimeria tene/la sporozoite antigen (25 ug per chicken) emulsified in freund's complete adjuvant (FCA) showed protection against challenge with homologous sporulated oocyst (104 ) at 32 day ofage. The immunization efficacy was greater than those immunized with the antigen or FCA alone as compared with the unimmunized control. This was evident by areduced number of oocyst production (l.27±0.16) x 101 per gram feces, lower mean lesion scores (+1.6) with no mortalities. Lymphocyte migration (LM) index represented the cell mediated immune response (CMIR) indicated that its peak reached between day 10 and day 32 post-immunization in chickens immunized with Eimeria tenella sporozoite antigen. ELISA antibodies were detected on day 16 and reached peak on day 40 post-immunization.

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