The distilled water lysate of erythrocytes infected withBabesia bovis was separated by gel filtration on Sephadex G200. The void volume fraction or a pool of retained fractions which had immunodiffusion activity were injected into two groups of five cattle. These were challenged 2 weeks after the final vaccination with a heterologous strain ofB. bovis. A control group of five cattle was similarly challenged. Two of the five control animals died from the challenge, whereas none of the vaccinated animals died. There were significant differences in parasitaemia and pathophysiological parameters between the vaccinated groups and the control group.
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Goodger, B.V., Commins, M.A., Wright, I.G. et al. Babesia bovis: Vaccination of cattle against heterologous challenge with fractions of lysate from infected erythrocytes. Z. Parasitenkd. 70, 321–329 (1984). https://doi.org/10.1007/BF00927818
- Control Animal
- Void Volume
- Infected Erythrocyte
- Void Volume Fraction