Learn More
The fungus Paecilomyces has not yet been considered a health problem in laboratory animals. However, this agent known as a 'spoiler' of fruit beverages and other foodstuffs is an opportunistic pathogen especially in immunocompromised humans. Since 1985, we have isolated Paecilomyces, most probably P. variotti, from six laboratory animal species, mainly(More)
A group of 1,052 C57BL/6J mice (296 males and 756 females) was kept under well-defined, clean laboratory conditions from the age of 6 weeks until natural death. The survival curves of males and females (computer-produced 3, 4, and 5 parameter curves, Gompertz curve histogram) were established and shown to follow a logistic function. The average life-span(More)
Fig. 2. Uptake of senecionine-N-oxide by midgut tissue of Creatonotos transiens in relation to pH value of the buffer, incubation temperature, and competition with "cold" PA (heliotrine). Experimental conditions as in Fig. 1. Values are expressed as the absolute radioactivity (cpm minus background) found in the tissue after incubation at 20 ~ for 60 rain.(More)
With three clones of Spironucleus muris (S. muris)--established from a mouse, hamster, and rat--homologous and heterologous host species were experimentally infected. Each host was susceptible to the clone originating from the homologous donor. In addition, both mice and hamsters were susceptible to the reciprocal heterologous clones. In contrast,(More)
Based on the examination of 45 dead and 5 moribund female mice during a 2-year period, we are able to describe a new disease entity: ileus of the small intestine in lactating mice caused by a paresis of peristalsis. Diarrhoea was not observed and inflammation and infectious agents were not found. Females were affected during the 2nd week of their first(More)
This is the first description of a pathologic condition--arthritis in cats affecting mainly one joint, i.e. monarthritis--caused by Streptococcus canis (S. canis), of the Lancefield serologic group G. Six cases were recorded in a closed cat breeding colony during a 6 month period in 1988, and one additional case in 1990. Therapy with penicillin and(More)
Aphrodisin is a glycoprotein originally isolated from hamster vaginal discharge which was demonstrated to be involved in pheromonal effects on male hamsters. In the present study, we investigated the localization of aphrodisin-synthesizing and -storing cells in the entire genital tract of the female golden hamster using immunohistochemical and molecular(More)
Streptobacillus moniliformis (Sm) was isolated from the middle ear of two inbred albino rats (strain CAP/Kuv) suffering from murine respiratory mycoplasmosis and purulent bilateral otitis media. The animals were kept under conventional conditions and used for immunological studies. The biochemical pattern of the isolate was identical with that of four other(More)