❞ كتاب Bovine mastitis caused by Mycoplasma bovis ❝

Bovine mastitis caused by Mycoplasma bovis

Bovine mastitis caused by Mycoplasma bovis من كتب طب بيطرى


caused by
Mycoplasma bovis
SIR, – We would like to describe an out-
break of bovine mastitis in a dairy herd,
caused by
Mycoplasma bovis
. Although
M bovis
commonly causes calf pneumo-
nia in the
UK
, it is rarely isolated from
cows’ milk. The clinical presentation was
different from
M bovis
mastitis previously
described in the
UK
(Houlihan and others
2007), but similar to outbreaks described
in the
USA
, where
M bovis
is a major
mastitis pathogen.
The herd consisted of 165 Holstein
cows of high genetic merit. Despite a high
milk yield, the herd had a 12-month roll-
ing bulk milk somatic cell count (
BMSCC
)
exceeding 500,000 cells/ml, and a high
incidence of periparturient diseases asso-
ciated with excessive weight loss after
calving. Waste milk was fed to calves, all
of which were retained for br . المزيد..