Serological studies on bovine besnoitiosis in Israel.
Sera from 1,700 beef and dairy cattle in Israel were tested for besnoitiosis by indirect immunofluorescence. Over 90% of dairy animals were negative whereas about 50% of beef cattle were positive. Among beef bulls the percentage of positive reactors increased with age but in beef cows the pattern was less clear; 36% of young imported bulls negative upon arrival developed antibody titres after one season on the range. Cross-tests with Toxoplasma gondii antiserum and antigen indicated that the results of the survey for besnoitiosis were unlikely to have been influenced by Toxoplasma antibodies.
D000818:Animals; D000906:Antibodies / Q000032:analysis; D016782:Apicomplexa / Q000276:immunology; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D003429:Cross Reactions; D005260:Female; D005455:Fluorescent Antibody Technique; D007557:Israel; D008297:Male; D011528:Protozoan Infections / Q000276:immunology*; D014122:Toxoplasma / Q000276:immunology
D000906:Antibodies