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Search results for “toxic”.

  • Chlorinated hydrocarbon and arsenic poisoning in cattle

    A herd of 14, six-month-old crossbred cattle was turned out into a new pasture. Within five days, five head died suddenly. An old barn with various abandoned and discarded metal and equipment was noted to be in the pasture. Chemical poisoning of an unknown origin was suspected. A 500-pound steer was submitted to the Texas…

  • Chronic lead exposure in flock of backyard chickens

    The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales received a phone call concerning a decrease in production and poor performance of a backyard flock of chickens used as an egg source for the family. Further discussions with the caller revealed the chickens had access to an old building with peeling paint that the chickens…

  • Clostridium spp. (FA)

    Detection of 5 histotoxic clostridial species by the fluorescent antibody method.  Targets include chauvoei, novyi/hemolyticum, sordellii, and septicum.

  • Cobalt (ICP/MS)

    Measurement of cobalt by inductively-coupled plasma/mass spectrometry. A $10.75 sample preparation fee will be added to tissue and feed specimens.

  • Coffee senna linked to cattle deaths

    Since the onset of winter, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has seen quite a few cases of intoxication in cattle that have consumed the coffee senna (Senna occidentalis) plant. Most of the cases involved adult cattle that were found dead by the owners. The diagnosis was made by finding evidence of the plant in the…

  • Coffee senna poisoning in cattle

    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…

  • Copper (ICP/MS)

    Measurement of copper by inductively-coupled plasma/mass spectrometry. A $10.75 sample preparation fee will be added to tissue and feed specimens.

  • Copper toxicity in show animals

    In reflecting upon yet another major livestock show season in Texas, it is important to keep in mind the possibility of copper toxicity, particularly in sheep and goats. Sheep are particularly sensitive to excess copper in their diets. Although goats are not as sensitive as sheep, they can still become intoxicated with too much copper. It…

  • Cyanide (Colorimetric)

    Detection of cyanide by colorimetric analysis.

  • Cyanobacteria: no winter break

    Blue-green algae (cyanobacteria) barely take a break in warm winters. The most frequently observed blue-green algae that cause blooms in the greater Brazos Valley area are Microcystis sp., Oscillatoria sp., and Anabaena sp. These species all tend to produce microcystins, which are hepatotoxic to all species. In a recent case, clinical history noted a group of dogs playing in a pond thick with Microcystis colonies…