Bovine-abortion

Question 1

Events in dam that cause abortion

Answer 1

1. Fever
2. dehydration/hemoconcentration
3. circulatory failure
4. anemia
5. endotoxemia
6. respiratory dz
7. toxicity
8. metabolic/edocrine dysf
9. genetics

Question 2

Most common abortion lesions

Answer 2

1. placentitis
2. penumonia
3. hepatitis
4. dermatitis
5. conjunctivitis

Question 3

Gross lesions with abortion

Answer 3

1. placentitis
2. dermatitis
3. hepatitis
4. peritonitis, pleuritis
5. pneumonia/bronchitis

Question 4

Histologic lesions

Answer 4

1. placentitis
2. pneumonia
3. hepatitis
4. thymic, lymphoid inflammation
5. encephalitis

Question 5

macerated fetus =

Answer 5

intrauterine bacterial infection

Question 6

mycotic abortion

Answer 6

acute locally extensive necrotizing placentitis

Question 7

Schmallenberg virus lesions

Answer 7

1. Fetal malformation
2. cerebellar hypoplasia
3. hydrocephalus/porencephaly
4. encephalitis/neuronal degeneration
5. meningal fibrosis
6. myofibrilar hypoplasia

Question 8

DDX for acute infection in adults

Answer 8

anything causing high fever, diarrhea and reduced milk production

Question 9

DDX congenital lesions

Answer 9

1. Other orthobunyaviruses (akabane v)
2. Orbiviruses (bluetongue virus)
3. Pestiviruses (BVD)