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Serving Texas, and beyond, for nearly six decades At the urging of the Texas livestock industry, legislators created TVMDL during the regular session of the 60th Legislature, in 1967. In 1969, the College Station facility formally opened its doors. Six years later, to better serve the Texas feedlot industry, TVMDL opened the Amarillo facility. In…
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 kidney were infiltrated by neoplastic lymphocytes. Neoplastic lymphocytes migrated through hepatic sinusoids and uniquely, also infiltrated hepatocytes. Hepatocytotropic lymphoma is a rare, highly aggressive form of T-cell lymphoma, arising from…
Many Texans rely upon the weather for a variety of reasons. From crops to cattle, Texans are often at the mercy of Mother Nature. Although droughts can have a dire impact on animal health, floods can also contribute to widespread issues among animal owners. Excessive rainfall can contribute to mosquito-borne diseases, toxic plants, dermatologic conditions,…
Approximately 200 head of cattle were grazing on improved native Bermuda grass pastures in the Colorado River bottom. Vegetation also included a large number of oak trees, and a low number of nightshade, cocklebur, and coffee senna plants. Two 400 to 500 lb. calves were found down and unable to rise. Both calves died within…
As hurricane season ramps up in Texas, so do threats to livestock health. Beyond downed fences and flooded pastures, contaminated water can quietly set the stage for dangerous skin infections in cattle, horses, sheep and goats. June marks the start of hurricane season, and each year the southern United States experiences increasingly intense and frequent…
Urinalysis remains one of the most valuable, cost-effective, and accessible diagnostic tools available to veterinarians. Urine samples can reveal early indicators of disease affecting the kidneys, urinary tract, and other organ systems. However, because urine is a particularly sensitive and unstable biological sample, proper collection, storage, and shipping are important to ensure accurate diagnostic results. …
A herd of steers, weighing approximately 700 lbs. and roughly 8 months old, was moved onto a ryegrass/native pasture. After about a month, four steers were found dead while 17 steers exhibited peeling and crusting noses with thickening of ear and eye margins. The animals did not exhibit any clinical signs of illness and were…
Fifteen crossbred calves were placed in a pasture with a burn-pile. The day after they were provided with Johnson grass hay, one calf was found dead. Two days later, three calves were walking abnormally and had diarrhea. Feces from those calves was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for testing. Fecal…