Heparinized blood was mixed with culture of the avianized vaccine strain T3. The tube containing the mixture was placed in a roller-tube apparatus for an hour, then smears were prepared. Phagocytosis was assessed by counting the number of PPLO in 25 phago-cytic cells. There was no phagocytosis when ...

The first part of this report deals mainly with production of vaccines and disease investigations, while the second is concerned mainly with parasitology. Vaccines are produced in Chad against rinderpest, contagious bovine pleuropneumonia, rabies, Newcastle disease and various infections of...

Anti-M. mycoides serum from an ox and a donkey had a cytotoxic effect on cultures of bovine embryonic lung cells. The effect appeared to be specific for lung cells, since kidney cells were not affected, and was attributed to an antigenic poly-saccharide common to both M. mycoides and bovine lung...

Part I deals with vaccine production, research work, virology, bacteriology and parasitology, tuberculosis and brucellosis. Part II is concerned mainly with entomology, protozoology and agronomy. The following vaccines were produced: cell culture rinderpest vaccine, contagious bovine ...