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פותח על ידי קלירמאש פתרונות בע"מ -
Immunization of cattle against Theileria annulata using killed schizont vaccine
Year:
1977
Source of publication :
Veterinary Parasitology
Authors :
סמיש, מיכאל
;
.
Volume :
3
Co-Authors:
Pipano, E., Kimron Veterinary Institute, P.O.B. 12, Bet Dagan, 50200, Israel
Goldman, M., Kimron Veterinary Institute, P.O.B. 12, Bet Dagan, 50200, Israel
Samish, M., Kimron Veterinary Institute, P.O.B. 12, Bet Dagan, 50200, Israel
Friedhoff, K.T., Department of Parasitology, School of Veterinary Medicine, D-3000 Hannover 71, Germany
Facilitators :
From page:
11
To page:
22
(
Total pages:
12
)
Abstract:
Cultured bovine lymphoid cells infected with Theileria annulata schizonts were disrupted by freeze drying and sonication. Calves were inoculated with fractions of the disrupted cells with and without Freund's adjuvant, and their degree of immunity was ascertained by challenge with infected blood and with infected ticks. Serum antibody levels were determined by immunofluorescence tests. The highest degree of protection against blood challenge was found in calves receiving vaccine plus adjuvant, the particulate portion of the disrupted parasites being more effective than the soluble. High antibody titers developed in all animals receiving vaccine with adjuvant, but no relationship was observed between antibody titer and protection against challenge. Calves that were immune to blood challenge as a result of receiving killed schizonts remained completely susceptible to infective Theileria particles from ticks. © 1977.
Note:
Related Files :
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תוכן קשור
More details
DOI :
10.1016/0304-4017(77)90003-6
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
20109
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:34
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Scientific Publication
Immunization of cattle against Theileria annulata using killed schizont vaccine
3
Pipano, E., Kimron Veterinary Institute, P.O.B. 12, Bet Dagan, 50200, Israel
Goldman, M., Kimron Veterinary Institute, P.O.B. 12, Bet Dagan, 50200, Israel
Samish, M., Kimron Veterinary Institute, P.O.B. 12, Bet Dagan, 50200, Israel
Friedhoff, K.T., Department of Parasitology, School of Veterinary Medicine, D-3000 Hannover 71, Germany
Immunization of cattle against Theileria annulata using killed schizont vaccine
Cultured bovine lymphoid cells infected with Theileria annulata schizonts were disrupted by freeze drying and sonication. Calves were inoculated with fractions of the disrupted cells with and without Freund's adjuvant, and their degree of immunity was ascertained by challenge with infected blood and with infected ticks. Serum antibody levels were determined by immunofluorescence tests. The highest degree of protection against blood challenge was found in calves receiving vaccine plus adjuvant, the particulate portion of the disrupted parasites being more effective than the soluble. High antibody titers developed in all animals receiving vaccine with adjuvant, but no relationship was observed between antibody titer and protection against challenge. Calves that were immune to blood challenge as a result of receiving killed schizonts remained completely susceptible to infective Theileria particles from ticks. © 1977.
Scientific Publication
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