In-Pouch vs PBS for trichomonas testing in bulls Guy Sheppard, DVM Over two years ago, the Texas Animal Health Commission (TAHC) approved the direct smegma sample submitted in PBS solution as an acceptable testing method for Trichomoniasis … [Read more...]
Reference intervals updated for several caprine and ovine panels
In an effort to always provide optimum laboratory results, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) clinical pathology laboratories recently completed a large study to update the reference intervals in several panels for … [Read more...]
Malignant Catarrhal Fever in a 1-year-old heifer
Malignant Catarrhal Fever in a 1-year-old heifer By R. Gayman Helman, DVM, PhD, Guy Sheppard, DVM, and Meagan Schroeder, PhD A 1-year-old heifer became weak and isolated herself. Three days later, the heifer was examined by the submitting … [Read more...]
Rabies in a Sheep
Rabies in a Sheep R. G Helman DVM, PhD DACVP An 8-month-old male sheep was purchased out of state at the end of September. The animal was clinically normal until November 1 when it was noted to be having a seizure. The animal could not stand or … [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...]
Anthrax increase in Texas: Texas A&M Veterinary Medical Diagnostic Lab helps identify, track high-consequence diseases in animals
The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) plays a vital role in animal disease surveillance efforts, including anthrax. On average, TVMDL diagnoses two to three positive cases of anthrax annually in summer months. Thus far in … [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...]
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...]
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...]
Unusual Manifestation of Papular Stomatitis in a Feedlot Steer
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...]
Melanocytic Tumors in Cattle
Melanocytic Tumors in Cattle By Will Sims, DVM A biopsy from a 7-month-old cross breed bovine steer with a large mass was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Amarillo. The mass had been surgically … [Read more...]
Cattle Nutritional Decline in the Winter
Cattle Nutritional Decline in the Winter By Guy Sheppard, DVM In early December, livestock submitted for necropsy at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station demonstrated various signs of declining … [Read more...]
Isolation of Nannizziopsis sp. from skin lesions of a veiled chameleon (Chamaeleo calyptratus )
Isolation of Nannizziopsis sp. from skin lesions of a veiled chameleon (Chamaeleo calyptratus) By Owais Khan, BVSc & AH, MVSc, Will Sims, DVM, MS, and Amy Swinford, DVM, MS An eight-month-old veiled chameleon exhibited white, patchy, crusty … [Read more...]
TVMDL adds three E.coli toxin typing tests to catalog
The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is pleased to announce three new additions to our test catalog. Due to recent improvements, the E.Coli (PCR) will be replaced by three, more targeted tests. These updated tests will … [Read more...]
TVMDL set to transition to new laboratory information management system
The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is committed to providing exceptional and efficient service to our clients. In order to continue with this commitment, TVMDL is scheduled to upgrade its laboratory information … [Read more...]
Avoid the madness of rabies submissions
Avoid the Madness of Rabies Submissions By Gayman Helman DVM PhD MA DACVP Too often the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) receives samples where there is a concern for rabies testing but the brain tissue submitted is … [Read more...]
Bovine Coronavirus (VN) retired from test catalog
On November 16, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) discontinued the Bovine Coronavirus (VN) test offering. With the upcoming development of improved tests, TVMDL has decided to no longer offer virus neutralization … [Read more...]
Monday and Sims discuss tele-medicine services at High Plains Veterinary Medical Association meeting
On November 10, Veterinary Diagnostician Dr. Jessie Monday and Veterinary Pathologist Dr. Will Sims from TVMDL Amarillo hosted a session as part of the High Plains Veterinary Medical Association's (HPVMA) Large Animal Meeting. Their presentation … [Read more...]
Swine Influenza Virus: A focus on the respiratory syndrome
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...]
Necropsy of a Sulcata Tortoise (Geochelone sulcate) with Urinary Calculi
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...]
Bovine Influenza D Virus (qPCR) added to TVMDL test catalog
The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) recently added a qPCR for Bovine Influenza D Virus to its catalog of tests. As interest in this pathogen increases across the United States, TVMDL is pleased to offer this test to … [Read more...]
Porcine Circovirus type 2: A focus on respiratory disease
Porcine Circovirus type 2: A focus on respiratory disease By Gabriel Gomez, DVM, PhD, Pam Ferro, MS, PhD, and Binu Velayudhan, BVSc, MVSc, PhD A 13-pound, juvenile, male intact, crossbred pig was submitted to the Texas A&M Veterinary Medical … [Read more...]
Proceedings now available from the 3rd Annual TVMDL Amarillo BRD Conference
The Texas A&M Veterinary Medical Diagnostic Laboratory’s (TVMDL) Amarillo facility recently hosted the third annual Bovine Respiratory Disease (BRD) Conference on July 7. Held on the campus of West Texas A&M University, industry experts from … [Read more...]
Nitrate toxicity in a herd of cattle
Nitrate toxicity in a herd of cattle By Will Sims, DVM, MS A producer reported a sudden death loss of six head of cattle. Two of the animals were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy to … [Read more...]
Bacillary hemoglobinuria in feeder cattle
Bacillary hemoglobinuria in feeder cattle Jessie Monday DVM, MS & R.G. Helman, DVM, MA, PhD, DACVP A veterinarian was investigating the cause of increased non-respiratory disease mortalities in beef feeder cattle. The cattle were 100-200 days … [Read more...]
