| epidemiology of mediterranean theileriosis in extremadura region, spain. | extremadura is an extensive region (41,000 km2) located in the southwest of spain, where animal husbandry is a very important economical resource. livestock parasitism of ticks is common in the region and it is favoured by the environmental conditions and management systems. mediterranean theileriosis (mt) is perhaps the most important tick-borne disease of cattle. although theileria annulata has been identified in extremadura since 1933, little epidemiological information is available. during t ... | 1999 | 11071543 |
| characterization of attenuated theileria annulata vaccines from spain and the sudan. | theileriosis caused by theileria annulata can be effectively prevented by vaccination with attenuated, cultured schizonts. although these attenuated vaccines have been applied for a long time, not much is known about the fate of the vaccine strain in the field. here, two experimental spanish vaccine strains originating in cádiz and cáceres, and one sudanese strain are studied to address the development of a carrier status and the infectivity for hyalomma ticks. moreover, the heterogeneity of the ... | 2000 | 11193667 |