SECOND PRIO (2) Flashcards
brucellosis affecting cattle
b. abortus
brucella sp. affecting goats
b. melitensis
brucella species affecting sheep
b. ovis
principal manifestation of brucellosis
reproductive failure in males and females
other term for brucellosis
Undulant fever, Mediterranean fever, Abortus fever, Contagious abortion, Bang’s Disease, Malta fever
brucellosis in cattle causes abortion in what phase of pregnancy
last 3 months
other animal susceptible to brucellosis
dogs
brucellosis organism has greatest numbers in what organs
pregnant uterus, fetus, fetal membranes
disease with a risk of spread from AI
brucellosis
risk factor of bang’s dz
proximity to infected herds = double fence
causes undulant fever
brucellosis
Brucellosis pathogenesis
Bacteria causes ___ ↓
Multiplies in the ___
↓
Invades ____, _, __ ___ ↓
Bacteremia for months
↓
Pregnant: ulceration of the ____ then cotyledon and villi
↓
Abortions, still birth, weak calves
Bacteria causes lymphadenitis ↓
Multiplies in the phagocytes
↓
Invades spleen, LN, mammary gland, uterus ↓
Bacteremia for months
↓
Pregnant: ulceration of the endometrium then cotyledon and villi
↓
Abortions, still birth, weak calves
brucellosis is Characterized by __ followed by
localization of infection in the _ and __
septicemia
lymph node and
genital organ
where do brucella replicates?
phagocytes
brucella sp. causes ulceration of the ___, __ and __in pregnants
endometrium
then cotyledon and villi
substance normally produced by the fetus
stimulates growth of Brucella sp
erythritol
T.F erythritol is directly proportional to stage of pregnancy at time of ingestion
inversely
brucellosis induces abortion after __ mos
5
brucella can cause -___on the knees , stifles, hock etc
Hygromas
-edematous placenta
-presence of leathery plaques on the chorion’s
external surface
-necrosis of the cotyledons
brucellosis
t/f trying to
control B. melitensis in sheep and goats is much
more difficult
T