Search results for “toxicology”.
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…
Measurement of anticoagulant rodenticides by liquid chromatography/mass spectrometry. Targets include warfarin, bromadiolone, brodifacoum, diphacinone, chlorophacinone, coumatetralyl, difenacoum, difethialone, coumachlor, and dicoumarol.
Measurement of arsenic by inductively-coupled plasma/mass spectrometry. A $10.75 sample preparation fee will be added to tissue and feed specimens.
Detection of arsenic salts by the qualitative Reinsch test. Targets include calcium arsenate, lead arsenate, and lead arsenate.
Two hundred and forty straight stocker cattle were on a wheat and grass pasture with access to old barns filled with moldy hay, chemicals, fertilizers, and other substances. Six percent of the animals reportedly died within a 24-hour period. Two 7-month-old calves were necropsied on site and were noted to have melting abdominal fat, hemorrhage…
Measurement of avermectins, including abamectin, doramectin, eprinomectin, ivermectin, moxidectin and selamectin, by liquid chromatography/mass spectrometry.
Identification of toxic blister beetles by microscopic examination.
Beetles found in a new batch of alfalfa hay were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for identification. TVMDL’s toxicology section can identify toxic and non-toxic beetles using microscopic examination. The beetles submitted were identified as Tiger beetles (Cicindelidae sp.) (Figure 1). Tiger beetles are characterized by having large, carnivorous mouth parts…
Measurement of the percent bone marrow fat to assess the nutritional status of an individual animal. Recommended for diagnosis of malnutrition / starvation.
Detection of desmethylbromethalin, the toxic metabolite of bromethalin, by liquid chromatography/mass spectrometry.