Bacillus abortus of Bang, the cause of contagious abortion in cattle.
The transmissibility of contagious abortion of cows appears to have been demonstrated experimentally for the first time by Brauer.
A meeting in March, 1921, included a lecture on contagious abortion (a disease chiefly affecting dairy cows).
Nocard carried out the first extensive bacteriological investigation of contagious abortion.
In 1902, Preisz at Budapest isolated the same bacillus from two cases of contagious abortion in cows.
Chester has named the organism "Bacterium abortivum" with the synonym "Bacillus of contagious abortion in cows, Bang."
The money-making value of a herd in which the germs of contagious abortion are permitted to exist will be completely destroyed.
Such cases are pure accidents and are not to be considered along with contagious abortion.
Very frequently it is a result of contagious abortion, and this should always be suspected.