38 research outputs found

    Track E Implementation Science, Health Systems and Economics

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    Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/138412/1/jia218443.pd

    Radio transmitter implants in the horns of both the white and the black rhinoceros in the Kruger National Park

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    The procedure for implanting radio transmitters into the horns of white and black rhinoceroses is described. Mean transmitter life in the white rhinoceros was 13,9 months which is significantly longer than the 9,7 months in black rhinoceros. In the white rhinoceros a significant sex-related difference in transmitter life was found with the transmitters in males lasting a mean of 12,1 months compared to the 15,3 months in females

    Sexual disorders not otherwise specified: Compulsive, addictive, or impulsive?

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    Paraphilias are recurrent and intense sexually arousing fantasies, sexual urges, or behaviors generally involving nonhuman objects. These paraphilias cause the suffering or humiliation of the patient or patient's partner, or children, or other nonconsenting persons. However, in many patients symptoms involve more culturally acceptable patterns (eg, repetitive masturbation, internet pornography); such hypersexual symptoms have been labeled as compulsive, addictive, or impulsive. Growing evidence supports the existence of a discrete syndrome characterized by recurrent and intense sexually arousing fantasies, sexual urges, or behaviors involving patterns that fall outside the definition of paraphilia. There is, however, high comorbidity with paraphilia. While such symptoms have been labeled as sexual compulsion or addiction, these terms are problematic in this context. Modern nosology has neglected this entity, although the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV), category of sexual disorders not otherwise specified includes hypersexual behaviors as an example. We suggest that the DSM-IV category of sexual disorders be modified to include explicitly diagnostic criteria for a disorder characterized by hypersexual symptoms involving patterns that fall outside of the current definition of paraphilia. The disorder might be classified as one of the paraphilias, or as paraphilia- related. In the absence of a comprehensive understanding of the pathogenesis of this disorder, we suggest that it simply be termed hypersexual disorder.Revie

    Horn growth rates of free-ranging white and black rhinoceros

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    The intrinsic and observed anterior hom growth of white and black rhinoceroses is discussed. The effect of age and hom rubbing on hom growth is explained. Species and sex related differences in hom size and mass are investigated

    Landscape preference of the white rhinoceros in the central and northern Kruger National Park

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    The long-term landscape preferences of the white rhinoceros for 32 different landscapes in the central and northern Kruger National Park are investigated. A preference index and a chi-square test are used to ascertain if white rhinoceroses prefer or avoid a particular landscape as habitat. Landscapes 13 (Karoo Sediment Plains with Acacia welwitschii Tree Savanna) and 11 (Slightly Undulating Granitoid Plains with Colophospermum mopane Bush Savanna), are the most preferred landscapes. Landscapes 23 (Basaltic Plains with Colophospermum mopane Shrub Savanna), 25 (Moderately Undulating Gabbroic Plains with Colophospermum mopane Shrub Savanna), 26 (Irregular Calsitic Plains with Colophospermum mopane Shrub Savanna), 28 (Alluvial Plains with Acacia albida Tree Savanna), 32 (Recent Sandy Plains with Baphia massaiensis Bush Savanna) and 33 (Slightly Undulating Andesitic Plains with Comhretum collinum Shrub Savanna) appear to be avoided. Characterestics of the preferred landscapes are: moderate to dense grass cover with good quality grasses; open to moderate low-shrub (<2 m) stratum; a moderate tree stratum; an undulating topography with uplands, bottomlands and watercourses; sandy soils with few stones and rocks on the soil surface; permanent water sources
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