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Amarillo

In-Pouch vs PBS for Trichomonas testing in bulls

June 8, 2020 by Mallory Pfeifer

Hereford bull standing in brown grass

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...] about In-Pouch vs PBS for Trichomonas testing in bulls

Filed Under: DX Guidance, News Tagged With: Amarillo, bovine, bulls, cattle, college station, trich, trichomonas, trichomoniasis, TVMDL, veterinary diagnostician, veterinary diagnostics

Reference intervals updated for several caprine and ovine panels

June 4, 2020 by Mallory Pfeifer

Several female lab technicians in white lab coats look through microscopes

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...] about Reference intervals updated for several caprine and ovine panels

Filed Under: News, Test Catalog Updates Tagged With: Amarillo, clinical pathology, college station, reference intervals, test catalog, testing, TVMDL

Malignant Catarrhal Fever in a 1-year-old heifer

March 16, 2020 by Mallory Pfeifer

four red haired cows looking at the camera while standing in a green field

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...] about Malignant Catarrhal Fever in a 1-year-old heifer

Filed Under: Case Study Tagged With: Amarillo, bovine, cattle, college station, heifer, Molecular Diagnostics, PCR, TVMDL

Rabies in a Sheep

December 23, 2019 by Mallory Pfeifer

Sad muzzle sheep livestock. Group wool agriculture meadow animal.

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...] about Rabies in a Sheep

Filed Under: Case Study Tagged With: Amarillo, histopathology, necropsy, ovine, rabies, TVMDL

A case of Coccidioidomycosis in a Llama (Lama glama)

August 9, 2019 by Mallory Pfeifer

One isolated llama in the Altiplano

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)

Filed Under: Case Study Tagged With: Amarillo, bacteriology, camelid, exotic, histopathology, llama, necropsy, pathology, respiratory, TVMDL

Equine Juvenile Ossifying Fibroma

July 18, 2019 by Mallory Pfeifer

A light brown, miniature donkey with its ears perked up.

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

Filed Under: Case Study Tagged With: Amarillo, equine, histopathology, horse, pathology, TVMDL

Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis

June 28, 2019 by Mallory Pfeifer

four red haired cows looking at the camera while standing in a green field

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

Filed Under: Case Study Tagged With: Amarillo, bacteriology, bovine, cattle, college station, disease, Molecular Diagnostics, respiratory, TVMDL

Malignant Catarrhal Fever in a 1-Year-Old Heifer

June 18, 2019 by Mallory Pfeifer

Two cows standing in a field at sunset

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

Filed Under: Case Study Tagged With: Amarillo, bovine, cattle, college station, histopathology, Molecular Diagnostics, TVMDL

Unusual Manifestation of Papular Stomatitis in a Feedlot Steer

April 10, 2019 by Mallory Pfeifer

A group of cattle relax in the cool dirt on a ranch in the midwest.

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

Filed Under: Case Study Tagged With: Amarillo, bacteria, bacteriology, bovine, cattle, histopathology, necropsy, pathology, TVMDL

Melanocytic Tumors in Cattle

January 17, 2019 by Mallory Pfeifer

Group of white and light brown calves standing in green grass, low angle

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...] about Melanocytic Tumors in Cattle

Filed Under: Case Study Tagged With: Amarillo, bovine, cattle, histpathology, pathology, TVMDL, TVMDL Amarillo, veterinary diagnostics

Cattle Nutritional Decline in the Winter

January 17, 2019 by Mallory Pfeifer

black and white cows grazing on field, rural area

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...] about Cattle Nutritional Decline in the Winter

Filed Under: Case Study Tagged With: Amarillo, bovine, cattle, college station, nutrition, TVMDL, TVMDL Amarillo, TVMDL-College Station, veterinary diagnostics

Isolation of Nannizziopsis sp. from skin lesions of a veiled chameleon (Chamaeleo calyptratus )

January 15, 2019 by Mallory Pfeifer

Veiled chameleon (chamaeleo calyptratus) close-up.

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...] about Isolation of Nannizziopsis sp. from skin lesions of a veiled chameleon (Chamaeleo calyptratus )

Filed Under: Case Study Tagged With: Amarillo, bacteriology, biopsy, chameleon, college station, fungus, reptile, TVMDL

Avoid the madness of rabies submissions

January 3, 2019 by Mallory Pfeifer

3D illustration of a rabies virus isolated on black background, a virus transmitted by bites of rabid animal, realistic image of microbe, microorganism, microscopic view, bullet shaped virus

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...] about Avoid the madness of rabies submissions

Filed Under: Case Study Tagged With: Amarillo, diagnostic testing, rabies, TVMDL

Swine Influenza Virus: A focus on the respiratory syndrome

November 12, 2018 by Mallory Pfeifer

Young pink pigs on farm

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

Filed Under: Case Study Tagged With: Amarillo, college station, histopathology, influenza, necropsy, swine, TVMDL, Virology

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

October 15, 2018 by Mallory Pfeifer

Galapagos tortoise in dirt

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

Filed Under: Case Study Tagged With: Amarillo, exotic, histopathology, pathology, tortoise, TVMDL, TVMDL Amarillo

Porcine Circovirus type 2: A focus on respiratory disease

July 23, 2018 by Mallory Pfeifer

Pig leaning over the railing of his cot

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...] about Porcine Circovirus type 2: A focus on respiratory disease

Filed Under: Case Study Tagged With: Amarillo, college station, Molecular Diagnostics, porcine, TVMDL, Virology

Nitrate toxicity in a herd of cattle

June 18, 2018 by Mallory Pfeifer

A large brown and white Hereford cow standing next to a brown and white Hereford calf in an open field with trees in the background

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...] about Nitrate toxicity in a herd of cattle

Filed Under: Case Study Tagged With: Amarillo, bovine, cattle, toxicity, TVMDL, TVMDL Amarillo

Bacillary hemoglobinuria in feeder cattle

June 1, 2018 by Mallory Pfeifer

herd of Hereford cattle in a green field.

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...] about Bacillary hemoglobinuria in feeder cattle

Filed Under: Case Study Tagged With: Amarillo, bovine, feeder cattle, TVMDL, TVMDL Amarillo

Listeriosis in a feed yard steer

April 12, 2018 by Mallory Pfeifer

Several brown and black cattle stand in a feedlot pen

Listeriosis in a feed yard steer By William Gilmore, DVM, PhD With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and … [Read more...] about Listeriosis in a feed yard steer

Filed Under: Case Study Tagged With: Amarillo, bovine, college station, pathology, TVMDL, TVMDL Amarillo, TVMDL-College Station

Hawk diagnosed with avian pox

March 27, 2018 by Mallory Pfeifer

Close up of hawk on gray blurred background

Hawk diagnosed with avian pox By Will Sims, DVM, MS With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and diagnostic … [Read more...] about Hawk diagnosed with avian pox

Filed Under: Case Study Tagged With: Amarillo, Avian, avian pox, pathology, TVMDL, TVMDL Amarillo

Neonatal Calf Health Issues

March 23, 2018 by Mallory Pfeifer

brown calf laying in field of green grass

Neonatal Calf Health Issues By R. G. Helman, DVM, MA, PhD and Jessie Monday, DVM, MS With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness … [Read more...] about Neonatal Calf Health Issues

Filed Under: Case Study Tagged With: Amarillo, bovine, college station, TVMDL, TVMDL Amarillo, TVMDL-College Station

Porcine Reproductive and Respiratory Syndrome: A focus on the respiratory syndrome

March 22, 2018 by Mallory Pfeifer

Pig leaning over the railing of his cot

Porcine Reproductive and Respiratory Syndrome: A focus on the respiratory syndrome By Gabriel Gomez, DVM, PhD, Pamela Ferro, MS, Phd, and Binu Velayudhan, BVSc, MVSc, PhD With over 800,000 tests run annually, TVMDL encounters many challenging … [Read more...] about Porcine Reproductive and Respiratory Syndrome: A focus on the respiratory syndrome

Filed Under: Case Study Tagged With: Amarillo, college station, porcine, prrs, TVMDL, TVMDL Amarillo, TVMDL-College Station, veterinary diagnostics

Bovine Abortion Diagnostics find BVD

March 13, 2018 by Mallory Pfeifer

Two cows standing in a field at sunset

Bovine Abortion Diagnostics find BVD By Jessie Monday, DVM, MS With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and … [Read more...] about Bovine Abortion Diagnostics find BVD

Filed Under: Case Study Tagged With: Amarillo, bovine, TVMDL, veterinary diagnostics

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Latest News

  • Mitigating the threat of zoonosis during sample shipment to TVMDL June 5, 2023
  • Dimitrov authors chapters in Merck Veterinary Manual over Newcastle disease May 30, 2023
  • The passing of Dr. John Reagor, Veterinary Toxicologist Emeritus April 21, 2023
  • Too much (or too little) of a good thing: thyroid disease testing at TVMDL March 22, 2023
  • TVMDL adds three heavy metal panels to test catalog March 22, 2023
  • Arnold contributes to evaluation of Salmonella prevalence in feeder cattle March 16, 2023

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