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Biomedical subjects

L A Griner

Publications and source records attributed to L A Griner.

17 recordsLinked to original sources

Neoplasms in Tasmanian devils (Sarcophilus harrisii).

Pathologic studies were made on 18 Tasmanian devils that were necropsied at the San Diego Zoo. Spontaneous neoplasms and/or preneoplastic hyperplasia were the most frequently occurring diseases. Abnormal proliferative lesions were present in 9 animals; 6 of these had two or more concomitant proliferative diseases. Renal disease was observed in 7 animals.

Anal Gland Neoplasms

Cryptococcosis in columbiformes at the San Diego Zoo.

Two cases of cryptococcosis in columbiformes exhibited at the San Diego Zoo are described. The organism isolated from the first case had morphological, chemical and temperature growth characteristics of C. neoformans. The culture from case 2 died before it could be examined biochemically or by mouse inoculation.

Animals

Premature parturition in the California sea lion.

Twenty percent of the California sea lion pups born on San Miguel Island die due to premature parturition. Specimens collected from premature-partus animals resulted in recovery of a virus, San Miguel Sea Lion Virus, indistinguishable from Vesicular Exanthema of Swine Virus, and Leptospira pomona from some of the premature cows and pups. The age range of 10 females delivering healthy pups in June was 10-14 years. With one exception, the ages in 10 aborting females was 6-8 years. The p,p'-DDE levels of the premature parturient cows' blubber and liver were 7.6 and 4.8 times greater, respectively, than corresponding tissue concentrations in the full-term animals. Polychlorinated biphenyls residues were 4.4 and 3.8 times greater in aborting animals' blubber and liver than in the same tissues of full-term sea lions. Premature-partus females had tissue imbalances of mercury, selenium, cadmium and bromine. Pathology, parasitology, serum enzyme and hormone results are also presented. These data suggest an interrelationship of disease agents and environmental contaminants as the cause of premature parturition.

Abortion, Veterinary