PubMed · 11285649
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G H Wentink. 2001-03-15. [Chronic wasting?].. https://pubmed.ncbi.nlm.nih.gov/11285649/
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Factors influencing the transmission of Cryptosporidium in primates and herbivores housed at the Barcelona zoo have been analyzed. The relationship between continuous and discontinuous oocyst shedding, both animal housing conditions and abiotic factors (seasonality, humidity, temperature) was examined to explain the epizootiology of the protozoan. Thirty six fecal samples from each of 11 primates (Pongidae, Cebidae, Cercopithecidae and Lemuridae) and 22 herbivores (Elephantidae, Camelidae, Cervidae, Giraffidae and Bovidae) were examined over the period of 1 year. The parasite transmission was based on the chronic infection status of some animals serving as a source of successive reinfection for other animals. The environmental temperature and humidity (seasonality), the physical features of the facilities, the vicinity of the animals and the physiological status induced by captivity contributed to transmission. The long-term character of this study was essential for obtaining these results and interpreting the complex relationships.
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Experiencing the human-animal bond in the laboratory context can potentially improve the quality of life of animals as well as increase job satisfaction for animal caregivers. With today s centralized facilities, caregivers generally focus entirely on providing routine care for animals without involvement in experimental procedures. Results of responses to a detailed and open-ended survey of 16 caregivers and five campus veterinarians at seven University of California campuses are presented, in addition to six interviews of additional caregivers and veterinarians. The survey revealed that these individuals became caregivers because of their attraction to the animals. Positive interactions with the animals were highly rewarding. Approximately half of the caregivers reported feeling less attracted to mice than other species. Job satisfaction could perhaps be increased by offering seminars for the research team that would include the caregivers and providing support related to animal deaths and euthanasia.