Enteropathogenicity of Plesiomonas shigelloides and Aeromonas spp. in experimental mono- and coinfection with Cryptosporidium parvum in the intestine of neonatal BALB/c mice.

Enteropathogenicity of Plesiomonas shigelloides, Aeromonas hydrophila, A. caviae and A. sobria was studied both in monoinfections and in coinfections with coccidium Cryptosporidium parvum in neonatal BALB/c mice.

[Use of the anticoccidial agent, tortrazuril (Baycox, Bayer) in coccidiosis in suckling pigs].

At present neonatal coccidiosis caused by Isospora suis is known to be an important disease in piglets. The coccidium I. suis was diagnosed as the causative agent of diarrhoeic disease in piglets on a large pig farm with continuous farrowing operation.

Interaction of Cryptosporidium parvum and Campylobacter jejuni in experimentally infected neonatal mice.

By the method of scanning electron microscopy (SEM), the inner mucosal surface of the ileum, ceacum and colon was studied in inbred BALB/c mice. Two-day-old mice were infected with either 10(6) oocysts of Cryptosporidium parvum and 10(8) CFU of porcine and human strains of the bacterium Campylobacter jejuni or with a combination of both enteropathogens. Pathological changes in infection with C.

[Detection of Yersinia ruckeri in rainbow trout in Czechoslovakia].

At the end of 1988 eight rainbow trouts Pd1 and nine rainbow trouts Pd2 were investigated at localities N and D with the increased mortality of rainbow trout. The pathological finding in dead and killed trout corresponded to the changes which are described in the so called ERM (enteric redmouth) salmonids. At the beginning of the year a similar case was found at locality B where 12 rainbow trouts Pd2 were examined.