Immunization of young chickens by trickle infection with Eimeria tenella.

Y. Nakai; T. Uchida; K. Kanazawa

doi:10.2307/1591569

Immunization of young chickens by trickle infection with Eimeria tenella.

Y. Nakai, T. Uchida, K. Kanazawa

AGR - Biological Resource Sciences

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14 Citations (Scopus)

Abstract

Immunization of chickens was attempted with low levels of Eimeria tenella oocysts (50 oocysts per day) over the first 1 or 2 weeks of life--the "trickle infection" (TI) method. When chickens were immunized by TI at 0-13 days of age, no cecal lesions and a reduced number of oocysts in ceca were observed after challenge at 17 days of age. TI at 0-6 days of age conferred better protection against challenge with E. tenella than did TI at 7-13 days. However, cecal lesions were observed in almost all of these chickens. These findings indicated that TI for 2 weeks (0-13 days of age) provided better immunity than TI for 1 week (0-6 or 7-13 days of age).

Original language	English
Pages (from-to)	1034-1036
Number of pages	3
Journal	Avian diseases
Volume	36
Issue number	4
DOIs	https://doi.org/10.2307/1591569
Publication status	Published - 1992 Jan 1

ASJC Scopus subject areas

Food Animals
Animal Science and Zoology
Immunology and Microbiology(all)

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title = "Immunization of young chickens by trickle infection with Eimeria tenella.",

abstract = "Immunization of chickens was attempted with low levels of Eimeria tenella oocysts (50 oocysts per day) over the first 1 or 2 weeks of life--the {"}trickle infection{"} (TI) method. When chickens were immunized by TI at 0-13 days of age, no cecal lesions and a reduced number of oocysts in ceca were observed after challenge at 17 days of age. TI at 0-6 days of age conferred better protection against challenge with E. tenella than did TI at 7-13 days. However, cecal lesions were observed in almost all of these chickens. These findings indicated that TI for 2 weeks (0-13 days of age) provided better immunity than TI for 1 week (0-6 or 7-13 days of age).",

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AU - Nakai, Y.

AU - Uchida, T.

AU - Kanazawa, K.

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N2 - Immunization of chickens was attempted with low levels of Eimeria tenella oocysts (50 oocysts per day) over the first 1 or 2 weeks of life--the "trickle infection" (TI) method. When chickens were immunized by TI at 0-13 days of age, no cecal lesions and a reduced number of oocysts in ceca were observed after challenge at 17 days of age. TI at 0-6 days of age conferred better protection against challenge with E. tenella than did TI at 7-13 days. However, cecal lesions were observed in almost all of these chickens. These findings indicated that TI for 2 weeks (0-13 days of age) provided better immunity than TI for 1 week (0-6 or 7-13 days of age).

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Immunization of young chickens by trickle infection with Eimeria tenella.

Abstract

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