Avian hemoparasites

what are the 3 different genera of haemosporida

• leucocytozoon

• plasmodium

• haemoproteus

haemosporida are similar to prioplasmida in what ways?

• life cycle

• cells infected

• clinical signs

• clinical and fross findings

• methods of diagnosis

haemosporida differ from piroplasmida in what ways

• cytologic appearance

• species clinically affected

Avian hemoparasites are typically called ________________ on cytology

gametocytes

Gametocytes that infect tissues are known as ____________

schizonts

Schizonts infect what cells in birds?

• hepatocytes

• muscle cells

• endothelial cells

Avian hemoparasites typically have ______ clinical signs

non specific

avian hemoparasites can be _________ due to __________ infection

• asymptomatic

• genus specific

What are clinicopathologic changes that you may see in a bird infected with a hemoparasite

• regenerative anemia

• leukocytosis

• biliverdurnuraia

what are gross findings you might see in a bird infected with a hemoparasite

• hepatomegaly

• splenomegaly

Upon gross patholgoy of a birds body after infection with a hemoparaiste you notice that their liver and spleen look brown what could cause this?

hemozoin

What diagnostics would you use to find an avian hemoparaiste

• blood semar/cytology

• PCR

• histopatholgy

An young duck presenting with lethargy, CNS signs, anemia and changed feces makes you think of what avian hemoparasite

Leucocytozoon

Leucocytozoon is transmitted by what vectors

• black flies

• midges

what is the cytologic appearance of leucocytozoon

tapered gametocytes

A penguin presents with lethargy and abnormal fecal matter this causes you think of what avian hemoparasite

plasmodium

What is the transmision vector for plasmodium and haemoproteus

mosquitoes

What is the cytologic appearance of plasmodium

round to oval shaped with brown pigment

A turkey presents with lethargy, anemia, altered fecal matter and lameness this makes you think of what avian hemoparasite

haemoproteus

Haemoproteus has ___ which infect the skeletal muscle and cause _______ and _________

• schizonts

• myositis

• lameness

Asymptomatic infection of _______ is common especially in pigeons

haemoproteus

What is the cytologic appearance of haemoproteus

horseshoe

What avian hemoparaiste is this

haemoproteus

What avian hemoparasite is this

plasmodium

what avian hemoparasite is this

leucocytozoon