Genetic Conditions
Ticks
Current Literature
Microbiology
FA/VMDL Rounds Year in Review
100

Name the condition.

Spider lamb syndrome (ovine hereditary chondrodysplasia)

Gene mutation: point mutation in FGFR3

100

I transmit bovine anaplasmosis.


adult male American dog tick (Dermacentor variabilis)

100

Name the etiology.

Mannheima granulomatosis

100

Lumpy skin disease in cattle is caused by which virus type?

poxvirus

100

T/F: Colostrum intake can interfere with the serology results of neonatal animals.

TRUE

200

This animal has a mutation in this gene.

Myostatin

200

This tick is the most important vector of bovine babesiosis.

Rhipicephalus microplus (cattle fever tick)

200

When attempting to rule out Rift Valley fever virus (RVFV) in a young lamb, which three tissue samples are most likely to be diagnostically useful?

liver, spleen, kidney

200

Sheep undergoing wheelbarrow test in South America. Most likely etiology?

Jaagsiekte sheep retrovirus (JSRV)

200

Histopathology reveals "intracorneal aggregates of neutrophils in the rumen". What is the most likely cause for this lesion?

Ruminal acidosis

300

Name the condition.

Bovine congenital hematopoietic porphyria 

AKA “osteohemochromatosis” and “pink tooth" 

Result of a deficiency in uroporphyrinogen III cosynthetase, a key enzyme in heme biosynthesis 

300

This tick transmits "foothill abortion" in the Western U.S.

Ornithodoros coriaceus (Pajahuello tick)

300

Systemic necrotizing vasculitis in sheep is associated with which virus?

Ovine herpesvirus 2

300

Tissue from a sheep. Which toxin is responsible?

Clostridium perfringens type D epsilon toxin

300

What are the toxic agents of an acorns?

Gallotannins and their metabolites (digallic acid, gallic acid, and pyrogallol) are responsible for toxicity

400

Bovine progressive degenerative myeloencephalopathy (BPDME), also known as weaver syndrome, is most often reported in this breed of cattle.

Brown Swiss cattle

400

In cattle, infestation by this tick is associated with Dermatophilosis infection.

Amblyomma variegatum

400

Bovine hemorrhagic bowel syndrome is thought to begin with the splitting of this intestinal layer.

Lamina muscularis

400

Calf abomasum. Who am I?

Sarcina

400

This breed of cattle has inherited colobomas.

Charolais cattle

500

Maple syrup urine disease (MSUD) is a deficiency in this enzyme.

Branched chain ketoacid dehydrogenase (BCKAD) complex

500

This tick is associated with "gotch ear" in US livestock. 

Amblyomma maculatum (Gulf coast tick)

500

The toxic plant involved in this condition.

Sida carpinifolia

500

This abortificent causes meningoencephalitis, vasculitis, and polyserositis in late term fetuses. 

Chlamydia pecorum

500

These cells are particularly susceptible to hypoxia.

Purkinje cells