Search results for “toxic”.
Referral tests are not performed at TVMDL; a processing and shipping fee will apply. Measurement of the total protein content a hay or forage sample.
An adult, female, 800 lb., Brangus cow in poor body condition was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy. The animal was part of a herd that reported multiple losses in the previous weeks and days. The clinical signs exhibited by other animals was not reported by the owner or…
In January, an animal owner in northwestern Washington State contacted the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) regarding possible blister beetles on their property. Specifically, the animal owner was interested in measuring the amount of cantharidin in a sampling of the beetles. Cantharidin is a very potent blistering agent, causing colic, heart arrhythmias and…
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…
Salt toxicity was diagnosed in a 17-day-old, meat type chicken flock. Twelve birds were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Center. Clinical history noted increased mortality starting at 2-weeks-old. At necropsy examination, all the birds had an edematous brain with poorly defined cerebellar folia and cerebrum lobes, thin blood, and…
Measurement of selenium by inductively-coupled plasma/mass spectrometry. A $11.25 sample preparation fee will be added to tissue and feed specimens.
Referral tests are not performed at TVMDL; a processing and shipping fee will apply. Measurement of sodium by flame atomic absorption spectroscopy (FAAS).
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 dead within 12-24 hours. Another cow was observed by the owner to be shaking and trembling, had fallen and gotten up, fell a second time and became…
A six-year-old mixed breed gelding experienced a sudden onset of neurologic signs including a stiff jaw, body tremors, dilated pupils, photophobia, and ataxia. Symptomatic treatment was unsuccessful, and the horse was euthanized after becoming intractable. The attending veterinarian performed a field necropsy and noted icterus, subcutaneous hemorrhages (attributed to trauma), acute pleural hemorrhage, agonal endocardial…
Qualitative detection of strychnine using liquid chromatography – tandem mass spectrometry (LC-MS/MS).