Mammary sarcoma diagnosed in a Chihuahua Gabriel Gomez DVM, PhD and Cheryl Maguire, DVM A nine-year-old, intact female, Chihuahua dog presented to their veterinarian for a solitary mass on the caudal most left mammary gland. The mass was excised … [Read more...]
Diagnostic Guidance: Fowl Pox
Diagnostic Guidance: Fowl Pox By Martin Ficken, DVM, PhD Fowl pox is caused by a DNA virus (fowl pox virus). Many species of birds have their own specific pox virus. Infection can occur in two different forms: dry and wet. Dry pox occurs … [Read more...]
MSMA (monosodium methyl arsenate) is Not for Pasture Use
MSMA (monosodium methyl arsenate) is Not for Pasture Use Cat Barr, PhD A cattle owner in eastern Texas noticed several of the 50 weaned calves in his coastal pasture had diarrhea and didn’t seem to want to eat. The pasture had been sprayed with … [Read more...]
A case of Coccidioidomycosis in a Llama (Lama glama)
A case of Coccidioidomycosis in a Llama (Lama glama) Owais A. Khan DVM PhD DACVM, Will P. Sims DVM, and Gayman R. Helman DVM PhD A variety of fresh and fixed tissues, including lung, liver, kidney, spleen, and mesenteric lymph nodes, from a … [Read more...]
Gangrenous dermatitis discovered in separate broiler flocks
Gangrenous dermatitis discovered in separate broiler flocks Gabriel Senties-Cue, MVZ, EPAA, MS Recently, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Center diagnosed gangrenous dermatitis (GD) in three flocks of broilers … [Read more...]
A dog skin infection caused by bacteria and a novel fungal pathogen, Trichocladium sp
A dog skin infection caused by bacteria and a novel fungal pathogen, Trichocladium sp. Narayan Paul, DVM, MS, PhD, Amy Swinford, DVM, MS, DACVM, and Julie Piccione, DVM, MS, DACVP A nine-year-old female, spayed dog was presented to a … [Read more...]
Epizootic hemorrhagic disease (EHD) in White-Tailed deer
Epizootic hemorrhagic disease (EHD) in White-Tailed deer By Andrés de la Concha-Bermejillo, DVM, MS, PhD, Pamela Ferro, MS, PhD, and Megan Schroeder, DVM Brooke Kehlenbrink* *Fourth year veterinary student Food Animal Track TVMDL rotation. The … [Read more...]
Anthrax in Horses: Disease Considerations and Insight
Anthrax in Horses: Disease Considerations and Insight Guy Sheppard, DVM and Melanie Landis, DVM Bacillus anthracis is a spore-forming, facultative anaerobic, gram positive rod that is the causative agent of anthrax. Spore formation occurs when … [Read more...]
Equine Juvenile Ossifying Fibroma
Equine Juvenile Ossifying Fibroma Will Sims, DVM A two-year-old, male, intact Miniature Donkey had a wound on the mandible that was associated with a large firm mass. Radiographs of the lesion showed large osseous spicules emanating from the … [Read more...]
Sodium Ion Toxicosis in Cattle
Sodium Ion Toxicosis in Cattle Travis Mays, Analytical Chemistry Section Head Approximately 40 head of Hereford cows were grazing on 12 sections of land with oil production activity present. In one particular section, four to five cows were found … [Read more...]
Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis
Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis By Guy Sheppard, DVM The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) frequently works on Bovine Respiratory Disease (BRD) cases. Multiple factors lead to … [Read more...]
Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga
Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga Terry Hensley, MS, DVM and Gabriel Gomez, DVM, PhD A less than one-year-old, 48 lb. female sitatunga (Tragelaphus spekii) in fair to poor body condition was submitted to the Texas A&M … [Read more...]
Fowl Cholera in Chukar Partridges
Fowl Cholera in Chukar Partridges Martin Ficken, DVM, PhD Twelve dead adult Chukar partridges were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. History noted an increase in spontaneous … [Read more...]
Cat Diagnosed with Feline Asthma
Cat Diagnosed with Feline Asthma Judith Akins, DVM, MS A seven-year-old male, neutered, domestic short haired (DSH) cat was presented to a veterinarian for evaluation of chronic coughing and increased respiration of several months’ duration. A … [Read more...]
Malignant Catarrhal Fever in a 1-Year-Old Heifer
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...]
Nasal Amyloidosis in a Horse
Nasal Amyloidosis in a Horse Andrés de la Concha-Bermejillo, DVM, MS, PhD Punch biopsies of an ulcerated plaque in the nasal mucosa of a male-castrated, 12-year-old, Quarter horse were submitted to the Texas A&M Veterinary Medical Diagnostic … [Read more...]
Reactive Histiocytosis in a Dog: Differentials, Possible Treatments, and Other Considerations
Reactive Histiocytosis in a Dog: Differentials, Possible Treatments, and Other Considerations Jeremie Korchia, DVM, MS, DACVP A 9-year-old intact, female, cross breed dog was presented to a practitioner for subcutaneous masses all over the body. … [Read more...]
Heterobilharzia americana Infection in a Dog
Heterobilharzia americana Infection in a Dog Jay Hoffman, DVM, PhD Small intestinal biopsy samples from a two-year-old German Shepherd dog were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station. … [Read more...]
ELISA Screening Detects Fumonisin in Corn
ELISA Screening Detects Fumonisin in Corn Travis Mays, Analytical Chemistry Section Head A 3-year-old, male Quarter horse became ataxic and kept falling over, eventually being unable to rise. The horse ultimately had to be euthanized. The onset … [Read more...]
Mycoplasmosis in Backyard Chicken Flocks
Mycoplasmosis in Backyard Chicken Flocks Martin Ficken, DVM, PhD Mycoplasmosis, caused by Mycoplasma gallisepticumand/or M. synoviae, is a group of bacterial diseases that are common maladies of backyard chicken flocks. Mycoplasma … [Read more...]
Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia
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...]
Myxosarcoma – A Rare Breed
Myxosarcoma – A Rare Breed Julie Piccione DVM, MS, DACVP An 11-year-old, spayed female, mixed breed dog was presented to her veterinarian for a mass on the left hind limb. Physical exam revealed a large (~6 cm), irregularly shaped, firm, … [Read more...]
Copper Toxicity in Show Animals
Copper Toxicity in Show Animals Guy Sheppard, DVM In reflecting upon yet another major livestock show season in Texas, it is important to keep in mind the possibility of copper toxicity, particularly in sheep and goats. Sheep are particularly … [Read more...]
Salt Toxicity in Broilers
Salt Toxicity in Broilers By Gabriel Senties-Cue, MS, MVZ, DACPV Salt toxicity was recently diagnosed in a 17-day-old, meat type chicken flock. Twelve birds were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in … [Read more...]
Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy
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...]
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