Systemic Besnoitiosis in a Virginia Opossum Erin Edwards, DVM, MS, DACVP Besnoitia spp. are protozoal parasites that form tissue cysts in intermediate hosts. Besnoitiosis caused by B. darlinigi is well described in Virginia opossums (Didelphis … [Read more...] about Systemic Besnoitiosis in a Virginia Opossum
Case Study
Osteogenesis and dentinogenesis imperfecta in a calf
Osteogenesis and Dentinogenesis Imperfecta in a Calf Randi Gold VMD, PhD, DACVP and Guy Sheppard DVM A 21 day-old calf with a history of multiple leg fractures and no evidence of external injuries was euthanized and sent into the TVMDL for … [Read more...] about Osteogenesis and dentinogenesis imperfecta in a calf
Analytical chemistry research testing capabilities
Analytical chemistry research testing capabilities Travis Mays, MS, PhD The analytical chemistry section at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is equipped with instrumentation, including eight mass spectrometers, … [Read more...] about Analytical chemistry research testing capabilities
Listeriosis in Cattle
Listeriosis in Cattle Guy Sheppard, DVM Since last summer, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has seen a few cases of listeriosis in cattle. Submitting veterinarians have reported profound neurological signs that … [Read more...] about Listeriosis in Cattle
The role of diagnostic testing in establishing bovine vaccination programs
The role of diagnostic testing in establishing bovine vaccination programs Guy Sheppard, DVM Vaccination programs are integral to the overall health and profitability of a cattle operation. Without vaccinations, diseases such as Bovine … [Read more...] about The role of diagnostic testing in establishing bovine vaccination programs
Cutaneous Pythiosis in a German Shepherd Dog
Cutaneous Pythiosis in a German Shepherd Dog Cheryl Maguire, DVM, Dominique Wiener, DVM, PhD, DECVP, Sonia Lingsweiler, BS, MS The bacteriology section at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) received a skin swab for … [Read more...] about Cutaneous Pythiosis in a German Shepherd Dog
A tale of a tail tumor: Ferret chordoma
A tale of a tail tumor: Ferret chordoma Erin Edwards, DVM, MS, DACVP Chordomas are among the most common diagnoses in ferret biopsy samples submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). This article highlights a … [Read more...] about A tale of a tail tumor: Ferret chordoma
Strychnine detected in a puppy
Strychnine detected in a puppy Travis Mays, MS, DVM The Texas A&M Veterinary Medical Diagnostic Laboratory received stomach content, fresh kidney, and serum from a two-month old mixed breed puppy for testing. The owner found the puppy … [Read more...] about Strychnine detected in a puppy
Polytetrafluoroethylene Toxicosis (TeflonTM Toxicity)
Polytetrafluoroethylene Toxicosis (TeflonTM Toxicity) Martin Ficken, DVM, PhD, ACPV The non-stick coating polytetrafluoroethylene (TeflonTM) on cookware, light bulbs, and ovens releases fluorinated gases upon overheating. This is particularly … [Read more...] about Polytetrafluoroethylene Toxicosis (TeflonTM Toxicity)
Fungal Equine Endometritis
Fungal Equine Endometritis Judith Akins, DVM, MS Vaginal/uterine discharge was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station from an eight-year-old Warmblood mare for culture and a cytologic … [Read more...] about Fungal Equine Endometritis
Hepatocytoptropic lymphoma in a Great Dane
Hepatocytoptropic lymphoma in a Great Dane Morgan Matthews, DVM Tissues from a 3-year-old, castrated male Great Dane were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). On histopathology, the liver, spleen, and … [Read more...] about Hepatocytoptropic lymphoma in a Great Dane
Enterotoxemia in sheep and goats
Enterotoxemia in Sheep and Goats Guy Sheppard DVM and Randi Gold VMD, PhD, DACVP Enterotoxemia, commonly called “overeating disease”, is a common problem in sheep and goats, especially in animals under a year of age. The disease occurs in … [Read more...] about Enterotoxemia in sheep and goats
Fatal Heartworm Disease and Caval Syndrome in a Ferret
Fatal Heartworm Disease and Caval Syndrome in a Ferret Julie Anna Prusak and Erin Edwards, DVM, MS, DACVP A 3-year-old, pet, domestic ferret (Mustela putorius furo) was found dead suddenly and was sent to the Texas A&M Veterinary Medical … [Read more...] about Fatal Heartworm Disease and Caval Syndrome in a Ferret
T-cell lymphoma is not always “terrible”
T-cell lymphoma is not always “terrible” Julie Piccione, DVM, MS, DACVP A 10-year-old female spayed Shih Tzu was presented to her veterinarian for an annual wellness exam. At home, the dog had been doing well but was reported to have less energy. … [Read more...] about T-cell lymphoma is not always “terrible”
Diagnostic Guidance: Postmortem Atlanto-occipital Cerebral Spinal Fluid Sampling in Large Animals
Diagnostic Guidance: Postmortem Atlanto-occipital Cerebral Spinal Fluid Sampling in Large Animals Jessie Monday, DVM, MS and Will Sims, DVM, MS Any animal demonstrating neurological signs localized to the brain or spinal cord before death may … [Read more...] about Diagnostic Guidance: Postmortem Atlanto-occipital Cerebral Spinal Fluid Sampling in Large Animals
Facial nodular cellulitis in broiler breeder pullets
Facial nodular cellulitis in broiler breeder pullets Gabriel Senties-Cue, MVZ, EPAA, MS Twelve 11 and 12-week-old broiler breeder pullets from two farms were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in … [Read more...] about Facial nodular cellulitis in broiler breeder pullets
Calcinosis circumscripta in a surgical amputation site
Calcinosis circumscripta in a surgical amputation site Randi Gold, VMD, PhD, DACVP A one-year-old, female-spayed, mix breed dog required a mid-shaft, hind leg amputation after a femoral fracture. Following the amputation, the owner and … [Read more...] about Calcinosis circumscripta in a surgical amputation site
When T4 and Free T4 Don’t Match
When T4 and Free T4 Don’t Match Julie Piccione, DVM, MS, DACVP, and Malcolm Delovio, PhD A two-year-old mixed breed dog was presented to their veterinarian for an inability to lose weight and mild hair loss. Blood was collected and serum was … [Read more...] about When T4 and Free T4 Don’t Match
Cryptosporidiosis in cattle
Cryptosporidiosis in cattle Guy Sheppard, DVM and Gabriel Gomez, DVM, PhD, DACVP A seven-day-old angus bull calf with a history of diarrhea was necropsied by the submitting veterinarian. The small intestine, liver, kidney and the lymph node were … [Read more...] about Cryptosporidiosis in cattle
Zinc contamination in serum samples
Zinc contamination in serum samples Cat Barr, PhD, DABT Recently, the Texas A&M Veterinary Medical Diagnostic Laboratory’s (TVMDL) analytical chemistry section performed zinc testing on a small set of paired samples. Prior to testing, blood … [Read more...] about Zinc contamination in serum samples
Marijuana detected in multiple dogs
Marijuana detected in multiple dogs Travis Mays, MS, PhD The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) received serum for marijuana testing from three different dogs over a period of five days. Each case was unrelated, and … [Read more...] about Marijuana detected in multiple dogs
Hyperestrogenism Syndrome in a Dog with a Sertoli Cell Tumor
Hyperestrogenism Syndrome in a Dog with a Sertoli Cell Tumor Erin Edwards, DVM, MS, DACVP Sertoli cell tumors are unique testicular tumors that are known for their ability to cause feminization of male dogs. These tumors are commonly diagnosed … [Read more...] about Hyperestrogenism Syndrome in a Dog with a Sertoli Cell Tumor
Bordetellosis (Turkey Coryza) in Turkeys
Bordetellosis (Turkey Coryza) in Turkeys By Martin Ficken, DVM, PhD Bordetellosis is a highly contagious upper respiratory tract disease of poultry caused by Bordetella avium, a gram-negative motile aerobic rod-shaped bacterium. B. avium is … [Read more...] about Bordetellosis (Turkey Coryza) in Turkeys
Cryptosporidium in a Gerenuk
Cryptosporidium in a Gerenuk By Will Sims, DVM, MS Tissues from a 5-month-old gerenuk, also known as a giraffe gazelle, were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Canyon for evaluation. The calf had a … [Read more...] about Cryptosporidium in a Gerenuk
Anaplasmosis in cattle
Anaplasmosis in cattle Guy Sheppard, DVM Anaplasmosis is a blood cell parasite of cattle with a worldwide distribution, but the disease is most common in tropical and subtropical areas. Anaplasma marginale is the most common organism involved in … [Read more...] about Anaplasmosis in cattle
