Bovine-Stomatitis and esophagitis diseases

Question 1

Ulcerative/Erosive Stomatitis and Esophagitis DDX

Answer 1

Common
1. BVD
2. Malignant Catarrhal fever (MCF)
3. Papular stomatitis
Less common
1. Bluetongue
2. IBR
Differentials for vesicular and foreign dzs
1. Rinderpest
2. Food and Mouth Dz
3. Vesicular stomatitis

Question 2

BVD lesions (pestivirus)

Answer 2

1. Acute, multifocal erosive glossitis
2. Acute, multifocal erosive esophagitis
3. Acute, locally extensive erosive/vesicular glossitis
4. Acute multifocal erosive enteritis with necrosis of peyer’s patches
5. Chronic, necrotizing enteritis with necrosis of peyer’s patches
6. Necrosis of crypt epithelial cells
7. Fibrinoid necrosis, arteries of mesentery
8. Severe thrombocytopenia and hemorrhage
9. Chronic interdigital dermatitis
10. Raised ulcerative lesions on nasal mucosa
11. Fetal cerebellar hypoplasia
12. Fetal growth plate lesions
13. Arthrogyrposis

Question 3

BVD DX

Answer 3

???

Question 4

Papular Stomatitis lesions (Pox virus [parapoxvirus])

Answer 4

1. Papular stomatitis-mouth, esophagus

Question 5

Papular Stomatitis DX

Answer 5

???

Question 6

Malignant Catarrhal Fever Unique lesions (ruminant rhadinovirus)

Answer 6

1. Corneal opacities, or a blue eye
2. Marked lymphadenomegaly
   * BVD doesn’t have these I guess

Question 7

Malignant Catarrhal Fever other lesions

Answer 7

1. Erosive ulceration respiratory mucosa
2. Fibrinoid necrosis in arteries
3. Chronic lymphocytic interstitial nephritis
4. Proliferation of splenic white pulp
5. hemorrhagic cystitis

Question 8

Malignant Catarrhal Fever DX

Answer 8

1. PCR: EDTA blood (carriers ush below detection level)

2. Postmortem PCR - lung, kidney, GI, Brain

Question 9

Foot and Mouth Disease lesions (Aphthovirus)

Answer 9

1. Vesicles to ulcers-tongue
2. Rumen pillars
3. Ulcers tip
4. Necrosis of epithelium

Question 10

FMD DX

Answer 10

REPORTABLE

PCR-in Florida

Question 11

Vesicular Stomatitis lesions (Vesiculovirus/Rhabdoviridae)

Answer 11

Lesions indistinguishable from FMD in cattle

Question 12

Vesicular Stomatitis DX

Answer 12

Lab dx similar to FMD (accredited lab)

Question 13

Bluetongue lesions (orbivirus)

Answer 13

Inapparent in cattle ush

1. Erosive lesions muzzle, oral cavity, teats
2. Laminitis
3. Oral/upper GI lesions similar to BVD

Question 14

Bluetongue DX

Answer 14

PCR on blood or lesions/spleen

Question 15

Rinderpest (Morbillivirus)

Answer 15

Gross lesions like BVD
Intracytoplasmic inclusion and syncytial cells
Necrosis of peyers patches

Question 16

Two dzs that necrose peyers patches

Answer 16

BVD

Rinderpest

Question 17

Necrotizing Stomatitis and Esophagitis dzs

Answer 17

1. Actinomycosis (actinomyces bovis) - Lumpy Jaw
2. Actinobacillosis - Wooden Tongue
3. Necrobacillosis - fusobacterium necrophorum

Question 18

Actinomyces (lympy jaw) lesions

Answer 18

Osteomyelitis