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Berger J,. (1987). Reproductive fates of dispersers in a harem-dwelling ungulate: the wild horse. Mammalian dispersal Patterns, , 41–54.
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Ginsberg, J. R. (1987). Social behavior and mating strategies of an arid adapted equid: the Grevy's zebra. Prnceton.
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Glen-Leary J,. (1987). Stud book for zebras. Farmer's weekly, .
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Harley Eh,. (1987). The retrieval of the quagga.
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Satorov, S. S., & Orzuev, M. I. (1987). [Frequency of the isolation of staphylococci from domestic animals and strain identification]. Zh Mikrobiol Epidemiol Immunobiol, (12), 37–39.
Abstract: Staphylococci occur in donkeys more frequently than in other animals, and only from donkeys coagulase-negative staphylococci, characteristic of humans (S. hominis, S. capitis, S. cohnii), were isolated. Least frequently staphylococcal carrier state was registered in cats; in these animals only coagulase-negative strains were found to occur. From 30 donkeys coagulase-positive staphylococci belonging to 47 S. aureus strains were isolated. These strains differed from known ecological variants in their biological properties, thus suggesting the existence of S. aureus ecovar specific for donkeys. These strains did not coagulate human, bovine and ovine plasma, but coagulated rabbit plasma in 100% of cases and donkey plasma only in 53% of cases; at the same time they relatively often produced delta hemolysin, rarely phosphatase and hyaluronidase and never fibrinolysin. These strains were typed by KPC phages, mainly 116 and 117.
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Scheunert, A. T., A. (1987). Lehrbuch der Veterinär-Physiologie. Berlin: Parey.
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Creigier, S. E. (1987). Trailer problems and solutions. Current Therapy in Equine Medicine, .
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Huntingford, F., & Turner, A. (1987). Animal Conflict.
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Walters, J. R., & Seyfarth, R. M. (1987). Primate Societies.
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Brown, J. L. (1987). Helping and Communal Breeding in Birds.
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