Cattle Abortion: Protozoa

Question 1

Neospora caninum: clinical signs

Answer 1

Abortions
Still births
Live births

Question 2

Neospora caninum: transmission

Answer 2

90% vertical transmission - dogs eat infected placenta
Congenital - dam to calf via placenta and milk

Question 3

Neospora caninum: diagnosis

Answer 3

Immunohistochemistry in tissue samples
Antibody detection PCR/ELISA

Question 4

Neospora caninum: control

Answer 4

Tag positive cows
Cull or put to beef

Question 5

Neospora caninum: abortion rate

Answer 5

Sporadic
May cause abortion storms
Repeat from same cow each year
Prevalence is often high

Question 6

Neospora caninum: time of abortion

Answer 6

3-8 months

Question 7

Neospora caninum: placental findings

Answer 7

No specific lesions

Question 8

Neospora caninum: fetal findings

Answer 8

Inflammatory lesions widespread in fetus
Non-suppurative encephalitis
And
Myocarditis common with parasite present