Study of blood platelets in the pig
M. SAVEY B. BONEU
J.
ESPINASSE1:’cole
nationale vétérinaire deToulouse,
Claemin desCapelles,
31076 Toulouse
As
part
of asystematic study
of hemostasis in thepig,
we studied theproperties
ofplatelets
in that
species.
Afterbriefly describing
their basic role in the hemostaticmechanism,
we examined the volume anddensity
distribution ofplatelets
in thepig, comparing
our results with those obtai- ned in man.Colibacillar enterotoxic syndrome of the pig in France
L. RENAULT, Cl. MAIRE,
J.
VAISSAIRE1!’tablissemeuts
.Sanders,li, quai
de l’Industrie, 912(;0/Mf!’!-St«’-0)’!f
A
serological grouping
of 147 7 Escherichia coli strains, isolated from 52 newbornpiglets
andfrom 105
piglets
atweaning
revealed that3/1
of the strains wereenteropathogenic.
In the newborn
piglet,
the strains isolated weremainly
oI-j9 Ii 9I, K 8S ac and in thepiglet
atweaning, by
order offrequency :
0141 K8 5
ab, K 88 ac, o 14g : K g K 88 ac and o8 : 1v8!,
1< 88 ac.Colistine
excepted,
all strains showed a considerablelowering
ofscnsitivity
towards all cur-rently
used antibiotics.Vaccinations made