BCA
494
do 1905, Kister and Schumacher showed that by feeding rats with plagues infected material, he bubonic variety
was produced of spicules
Abone
were present in the bolus, thus
producing
a
lesion
of the
buccal mucous
aw
membrane; an intestinal variety, however, was called forth if oogt food
the virus.
was mixed with
In 1986, Berest Neff Yed white rats with the Ngans and tissues of plaque infected guinea
majority
aus intestinal
showed aw
infection, with affection of the Peyer's patches,
ste, and the occurrence
of
and
Axhaustive
pigs.
The
Raemosshages, stě,
mesenteric baboes.
Klein, in 1906. published
series of Aexperiments, showing that fresh plaque
infected tissues, and cultures
the B.
B. pestis,
fail few to produce the disease in animals
such as guinea pigs,
white rats, and
mice. Dried cultures and organs, however,
induce the disease, but set up typical intestinal plape in the same
Nor
only
variety of
The
animals.
55
లబ