Ford G E
Aust Vet J. 1986 Feb;63(2):42-4. doi: 10.1111/j.1751-0813.1986.tb02919.x.
The confirmation of a cat-sheep transmission for visible sarcocysts was achieved in specific pathogen free (SPF) animals by completing sheep-cat-sheep-cat passages during 1977-79. The study used 22 laboratory cats and 15 specially bred sheep. Experimental sheep were dosed with sporocysts recovered from cats fed visible sarcocysts. "Giant" or "fat" form of macroscopic sarcocysts commonly found on the oesophagus were first demonstrated in the SPF sheep at 17 months after dosing. The sarcocysts from these sheep were infective to cats. Thus, the cycle of transmission for cat-borne ovine sacosporidiosis was completed. Grazing sheep in some situations develop visible cysts earlier, around one year of age, hence it is considered that the infections of experimental sheep in SPF conditions may not reflect all the circumstances leading to natural infection.
1977年至1979年间，通过完成羊-猫-羊-猫的传代过程，在无特定病原体（SPF）动物中证实了猫与羊之间可见肉孢子虫的传播。该研究使用了22只实验猫和15只特别培育的羊。给实验羊投喂从感染了可见肉孢子虫的猫体内回收的孢子囊。在投喂后17个月，在SPF羊的食管上首次发现了通常可见的“巨大”或“肥胖”型宏观肉孢子虫。这些羊体内的肉孢子虫可感染猫。因此，完成了猫传播的绵羊肉孢子虫病的传播循环。在某些情况下，放牧的绵羊在大约一岁时更早出现可见囊肿，因此认为在SPF条件下对实验羊的感染可能无法反映导致自然感染的所有情况。
