this is a tubular structure connecting the urinary bladder with the allantoic cavity
urachus
this is very common, especially in dairy cattle
bovine leukemia virus
what are the top five sites for lymphosarcoma in cattle?
heart
abomasum
lymph nodes
uterus
spinal cord
what is the most common neoplasia of cattle
lymphosarcoma
what is characterized by intravascular hemolysis, hemoglobinuria, and anemia in postparturient cows and is due to low phosphorus
postparturient hemoglobinuria
how should you treat omphalitis
broad spectrum drugs, surgical drainage or removal
what percent of dairy herds are affected by bovine leukemia virus
80%!
how is BLV transmitted to calves
either in utero or infected cattle carry antibodies and transfer them via colostrum to the babies
calves may test positive but actually be negative for the virus
what are three methods to control or prevent BLV herds with positive cattle
manage, segregate, eliminate
what is associated with chronic blood loss and you should consider giving iron
iron deficiency anemia
trueperella pyogenes
what percent of beef herds are affected by bovine leukemia virus
30-50%
what forms of lymphosarcoma are NOT associated with BLV
thymic, juvenile, cutaneous
what is anemia most commonly due to?
and
what is secondary to?
chronic infection/inflammation
secondary to chronic renal disease, GI disease, parasitism
what is due to oxidizing agents such as onions, rape, kale
heinz body hemolytic anemia
what disease is heritable in holsteins
bovine leukocyte adhesion deficiency
what percentage of cattle develop lymphoma with bovine leukemia virus
less than 5%
what is cold water intoxication
hypotonicity and intravascular hemolysis due to a massive water intake, they get hemoglobinuria
characterized by acute, contagious and fatal septicemia
heavy rainfall/flooding after dry period helps expose spores
anthrax
what is the ideal site to make an incision for surgery in omphalitis patients?
left side of umbilicus
this is characterized by severe neutrophilia (usually without a left shift) and is typically fatal, may see gingivitis and periodontitis with it in young calves
bovine leukocyte adhesion deficiency
what percentage get persistent lymphocytosis
and how long does bovine leukemia virus infect cattle
around 30%
they are positive for life!!!!!!
what disease are cattle and black tailed deer the reservoir hosts for?
what age has the greatest mortality in cattle for this disease?
how should you treat it?
what do reticulocytes indicate?
sorry this is a multiple one because i dont think the 500s have been hard enough lol
anaplasmosis
greater than 2 years old
treat with tetracycline
reticulocytes indicate convalescent stage
what is the etiology of anthrax
bacillus anthracis
it is gram positive and spore forming
i couldnt think of anything else to ask so everyone just take a deep breathe
we are gonna get through tomorrow i promise