Contagious Ecthyma Diagnosed in a Young Goat Erin Edwards, DVM, MS, DACVP, Andrés de la Concha-Bermejillo, DVM, PhD, Pam Ferro, MS, PhD The body of a 3-month-old goat was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Contagious Ecthyma Diagnosed in a Young Goat
Case Study
Bovine Abortion Caused by Leptospira spp.
Bovine Abortion Caused by Leptospira spp. Guy Sheppard, DVM, Gabriel Gomez, DVM, PhD, Pam Ferro, MS, PhD, and Megan Schroeder, PhD Tissue from a cross-bred bovine fetus in the third trimester of gestation was submitted to the Texas A&M … [Read more...] about Bovine Abortion Caused by Leptospira spp.
Coccidiosis in Broiler Breeders
Coccidiosis in Broiler Breeders By Gabriel Senties-Cue, MVZ, EPAA, MS, TVMDL Center Resident Director Severe coccidiosis was diagnosed in a 22-week-old, broiler breeder flock. Three dead birds were submitted to the Texas A&M Veterinary … [Read more...] about Coccidiosis in Broiler Breeders
Diagnosing Feline Heartworms
Diagnosing Feline Heartworms By Melanie T. Landis, DVM, MBA, TVMDL Microbiology Veterinary Diagnostician We are all familiar with the saying that “cats are not small dogs”. This is true when it comes to feline heartworm disease. While dogs are … [Read more...] about Diagnosing Feline Heartworms
Possible Eprinomectin toxicity in a calf
Possible Eprinomectin toxicity in a calf Travis May, MS, PhD A two-month-old, 150-pound, Brahman-cross heifer calf was observed with neurologic signs following application of what was believed to be a permethrin-based insecticide. The calf died … [Read more...] about Possible Eprinomectin toxicity in a calf
Atypical Mycobacteriosis in a Cat
Atypical Mycobacteriosis in a Cat Erin Edwards, DVM, MS, DACVP Skin samples from a 9-year-old Siamese cat were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station. This cat was reported to clinically … [Read more...] about Atypical Mycobacteriosis in a Cat
Mammary sarcoma diagnosed in a Chihuahua
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...] about Mammary sarcoma diagnosed in a Chihuahua
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...] about Diagnostic Guidance: Fowl Pox
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...] about MSMA (monosodium methyl arsenate) is Not for Pasture Use
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...] about A case of Coccidioidomycosis in a Llama (Lama glama)
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...] about Gangrenous dermatitis discovered in separate broiler flocks
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...] about A dog skin infection caused by bacteria and a novel fungal pathogen, Trichocladium sp
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, PhD, and Brooke Kehlenbrink* *Fourth year veterinary student Food Animal Track TVMDL … [Read more...] about Epizootic hemorrhagic disease (EHD) in White-Tailed deer
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...] about Anthrax in Horses: Disease Considerations and Insight
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...] about Equine Juvenile Ossifying Fibroma
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...] about Sodium Ion Toxicosis in Cattle
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...] about Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis
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...] about Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga
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...] about Fowl Cholera in Chukar Partridges
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...] about Cat Diagnosed with Feline Asthma
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...] about Malignant Catarrhal Fever in a 1-Year-Old Heifer
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...] about Nasal Amyloidosis in a Horse
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...] about Reactive Histiocytosis in a Dog: Differentials, Possible Treatments, and Other Considerations
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...] about Heterobilharzia americana Infection in a Dog
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...] about ELISA Screening Detects Fumonisin in Corn