Texas A&M Veterinary Medical Diagnostic Laboratory

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TVMDL is proposing fee changes for Fiscal Year 2023. View the proposed changes and offer your feedback at FY23 Proposed Fee Changes.
TVMDL is accepting public comment until August 25, 2022.

histopathology

Malignant Catarrhal Fever in a 1-Year-Old Heifer

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Malignant Catarrhal Fever in a 1-Year-Old Heifer R. Gayman Helman, DVM, PhD, MA, Guy Sheppard, DVM, and Megan Schroeder, PhD A 1-year-old heifer became weak and went off by herself in mid-April.  The heifer was examined by the submitting … [Read more...] about Malignant Catarrhal Fever in a 1-Year-Old Heifer

Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia

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Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia Erin Edwards, DVM, MS, DACVP Mammary gland masses from an approximately 7-month-old cat were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for … [Read more...] about Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia

Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy

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Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy Erin Edwards, DVM, MS, DACVP A 6-month-old Harris’s hawk was necropsied at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station and was … [Read more...] about Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy

Canine hepatozoonosis diagnosed via skeletal muscle biopsy

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Canine hepatozoonosis diagnosed via skeletal muscle biopsy By Erin Edwards, DVM, MS, DACVP Canine hepatozoonosis is a debilitating, tick-borne disease caused by Hepatozoon americanum, a protozoal parasite transmitted by the Gulf coast tick … [Read more...] about Canine hepatozoonosis diagnosed via skeletal muscle biopsy

Chronic lead exposure in flock of backyard chickens

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Chronic lead exposure in flock of backyard chickens By Martin Ficken, DVM, PhD  The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales received a phone call concerning a decrease in production and poor performance of a … [Read more...] about Chronic lead exposure in flock of backyard chickens

Unusual Manifestation of Papular Stomatitis in a Feedlot Steer

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Unusual Manifestation of Papular Stomatitis in a Feedlot Steer Gayman Helman, DVM, PhD, MA, Will P. Sims, DVM, MS, Gustavo Delhon, PhD A male-castrated, crossbred steer was noted to have a severe and locally extensive skin disease involving the … [Read more...] about Unusual Manifestation of Papular Stomatitis in a Feedlot Steer

Gangrenous Dermatitis diagnosed in Bobwhite quail

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Gangrenous Dermatitis diagnosed in Bobwhite quail By Martin Ficken, DVM, PhD  Seven dead, 16-week-old bobwhite quail were presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. The history … [Read more...] about Gangrenous Dermatitis diagnosed in Bobwhite quail

Cutaneous habronemiasis superimposed on a squamous cell carcinoma (SCC) in a horse

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Cutaneous habronemiasis superimposed on a squamous cell carcinoma (SCC) in a horse By Andrés de la Concha-Bermejillo In the summer of 2018, four partial biopsies of an infected hot brand skin lesion from a Quarter Horse stallion were submitted in … [Read more...] about Cutaneous habronemiasis superimposed on a squamous cell carcinoma (SCC) in a horse

Aspergillosis diagnosed in 5-month-old chicken

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Aspergillosis diagnosed in 5-month-old chicken By Martin Ficken, DVM, PhD  A 5-month-old female chicken with a history of dyspnea was presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. Duration … [Read more...] about Aspergillosis diagnosed in 5-month-old chicken

Two Cats Diagnosed with Hepatic Amyloidosis and Secondary Hepatic Rupture

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Two Cats Diagnosed with Hepatic Amyloidosis and Secondary Hepatic Rupture By Erin Edwards, DVM, MS, DACVP Two cats from two separate clinics were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) and were both … [Read more...] about Two Cats Diagnosed with Hepatic Amyloidosis and Secondary Hepatic Rupture

Bacillary hemoglobinuria in a cow

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Bacillary hemoglobinuria in a cow By Andrés de la Concha-Bermejillo, DVM, MS, PhD The carcass of a female, 913 pound, 7-year-old Angus cow was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy. History … [Read more...] about Bacillary hemoglobinuria in a cow

Pulmonary Toxoplasmosis Diagnosed in a Young Cat

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Pulmonary Toxoplasmosis Diagnosed in a Young Cat By Erin Edwards, DVM, MS, DACVP Pulmonary toxoplasmosis was recently diagnosed in a stray, male tabby cat approximately 1-year-old. This cat was brought to a local veterinary clinic for lethargy … [Read more...] about Pulmonary Toxoplasmosis Diagnosed in a Young Cat

Lymphoid leukosis discovered in Legbar chicken

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Lymphoid leukosis discovered in Legbar chicken By Martin Ficken, DVM, PhD Recently, one dead, female, Cream Legbar chicken was presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. The bird had … [Read more...] about Lymphoid leukosis discovered in Legbar chicken

Swine Influenza Virus: A focus on the respiratory syndrome

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Swine Influenza Virus: A focus on the respiratory syndrome  By Gomez, G., Ferro, P., and B.T. Velayudhan Three, approximately two-month-old (two females and one male), pigs of unspecified breed were submitted to the Texas A&M Veterinary … [Read more...] about Swine Influenza Virus: A focus on the respiratory syndrome

High mortality in a litter of puppies: Infection with canine herpesvirus

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High mortality in a litter of puppies: Infection with canine herpesvirus By Erin Edwards, DVM, MS, DACVP Two Presa de Canario puppies from a litter of eight were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for … [Read more...] about High mortality in a litter of puppies: Infection with canine herpesvirus

Necropsy of a Sulcata Tortoise (Geochelone sulcate) with Urinary Calculi

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Necropsy of a Sulcata Tortoise (Geochelone sulcate) with Urinary Calculi By Will Sims, DVM, MS An eight-month-old sulcate tortoise was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory’s (TVMDL) Amarillo laboratory for … [Read more...] about Necropsy of a Sulcata Tortoise (Geochelone sulcate) with Urinary Calculi

Valvular endocarditis in a pig due to Erysipelothrix rhusiopathiae

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Valvular endocarditis in a pig due to Erysipelothrix rhusiopathiae By Andrés de la Concha-Bermejillo, DVM, MS, PhD and Sonia Lingsweiler, BS, MS The carcass of a female, approximately 112-pound Landrace-Yorkshire pig, was submitted to the Texas … [Read more...] about Valvular endocarditis in a pig due to Erysipelothrix rhusiopathiae