| investigation of neospora caninum, hammondia sp., and toxoplasma gondii in tissues from slaughtered beef cattle in bahia, brazil. | neospora caninum, hammondia sp., and toxoplasma gondii are parasites with morphological and genetic similarities. n. caninum and t. gondii are important abortive agents of cattle and sheep, respectively, and may infect numerous animal species. hammondia sp. is not known to induce disease in animals, but may cause confusion in the identification of closely related coccidia. the aim of this study was to investigate infection rates caused by n. caninum, hammondia sp., and t. gondii in beef cattle u ... | 2010 | 19943064 |
| serological survey of antibodies to toxoplasma gondii in goats, sheep, cattle and water buffaloes in bahia state, brazil. | serum samples from 439 goats, 240 sheep, 194 cattle and 104 water buffaloes were tested for antibodies to toxoplasma gondii by a latex agglutination test. antibodies to t. gondii were found in 28.93% of goats, 18.75% of sheep, 1.03% of cattle and 3.85% of water buffaloes, at a dilution of 1:64. the highest titres observed in goats, sheep, cattle and water buffaloes were 1:2048, 1:2048, 1:64 and 1:512, respectively. | 1999 | 10384902 |