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Severe gastrointestinal bleeding - Pullet 6 weeks-old

Chicken Infectious Anaemia
Broiler 13 days old
Chicken Infectious Anaemia

"Blue wing disease" - Broiler 13 days old 

Chicken Infectious Anaemia

Hemorrhages of the distal part of the proventriculus mucosa - Pullet, 7 wks old

Chicken Infectious Anaemia

Hemorrhages in the mucosa of the distal part of the proventriculus - Pullet, 7 wks old

Chicken Infectious Anaemia

Marked atrophy of the thymus

Chicken Infectious Anaemia
Pale bone marrow
Chicken Infectious Anaemia
Pale bone marrow
Chicken Infectious Anaemia
Pale bone marrow.
CAV causes anemia by apoptosis of hemocytoblasts in the bone marrow.
Chicken Infectious Anaemia
Hemorrhagic syndrome.
Chicken Infectious Anaemia
Hemorrhagic syndrome.
Chicken Infectious Anaemia
Watery blood and anemia - The loss of hemocytoblasts (precursor blood cells) as a result of apoptosis leads to a decrease in blood erythrocytes, thrombocytes, and granulocytes, and corresponding clinical symptoms of anemia and hemorrhages.
Chicken Infectious Anaemia
Watery blood and anemia - The loss of hemocytoblasts (precursor blood cells) as a result of apoptosis leads to a decrease in blood erythrocytes, thrombocytes, and granulocytes, and corresponding clinical symptoms of anemia and hemorrhages.
Chicken Infectious Anaemia
Pale comb of 6 week old pullet due to severe anemia.
Chicken Infectious Anaemia
"Blue wing disease" of chickens (egg-type pullets). Focal skin lesion on the wing+sides of the thorax.
Chicken Infectious Anaemia

Blue wing disease" of chickens (egg-type pullets). Focal skin lesion on the wing.