Proventricular dilatation in a Cockatoo

Proventricular dilatation in a Cockatoo
History: A male adult Cockatoo had regurgitated.  His feed was changed but continued to regurgitate, and died within a few days.
Gross Pathology:
The bird was very thin with a very prominent keel bone and pectoral muscle atrophy.
The crop and proventriculus were markedly dilated and filled with soft oats. The proventriculus  filled 80% of [...]

Porcine Multisystemic Wasting Syndrome – PCV-2

Whats your diagnosis #3
Porcine Multisystemic Wasting Syndrome – PCV-2
See original post here
History: A feeder pig was found dead in the morning, it was thinner than its penmates.
Gross Necropsy: (no photos)
The lungs were loosely adhered to the thoracic body wall by multiple strands of fibrin. The lungs were diffusely edematous and firm.
The pericardium contained approximately 200 mls of [...]

Coccidiosis in a Chukar

Coccidiosis in a Chukar
History:   The flock is healthy in the brooder house, but 3-4 weeks after being turned out 2-5% of the birds get weak, thin, and listless.
Gross Lesions:  The two birds were in good body condition with no pectoral muscle atrophy.  No lesions of any significance were found.
Histopathology:
Small intestine:  There are abundant intracellular coccidia in [...]

Persistent Right Aortic Arch/ Megaesophagus in a dog

Persistent Right Aortic Arch/ Megaesophagus in a dog
History:  An 8 week old female German Shepherd with vomiting and anorexia for the past 4 weeks. 
Gross Findings: 
The aorta was present on the right side of the trachea and esophagus.  There was a 1 cm long thick white band connecting the aorta and the pulmonary artery which was present on [...]

Ventriculitis, Hepatitis, and unusual inclusion bodies in Quail

Ventriculitis, Hepatitis, and unusual inclusion bodies in Quail
This post presents some unusual and interesting histologic findings of Quail.  Three quail of different ages died acutely.  The birds are raised since birth and at 1 month are turned into an outside pen.  There are 10 dead birds out of a flock of 200. These birds puff up after [...]

Diffuse soft tissue mineralization in a cat

Diffuse Soft Tissue Mineralization in a Cat
Contributer: C. Ganta
History: A five month old female domestic short hair cat had chronic cough which was non-responsive to antibiotics or vaccines. Tracheal wash bacterial culture was negative, mycoplasma by PCR was negative and toxoplasma serology was negative.
Gross Lesions:
Lungs: The lungs failed to collapse and were white, firm, [...]

Lymphoma in a Llama

History: A 7 year old intact male Llama had a 3 day history of lethargy, decreased water intake and oliguria. The Llama was febrile with increased lung sounds (R>L). A CBC showed leukocytosis and pre-renal azotemia. An ultrasound showed consolidated tissue in the right thorax.
Gross Findings:
The mediastinal lymph nodes were enlarged. A large soft white [...]