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Author |
Powell, A.J.; Wolff, P.R. |
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Title |
Sex differences in mouse urination patterns |
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Year |
1982 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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30 |
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4 |
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1207-1211 |
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When tested in circular open fields male and female mice (Mus musculus) produced strongly centrifugal urination patterns, which showed a clear `edge-dependency' in all the field sizes used. However, striking sex differences in the pattern of deposition were shown in terms of both the number and distribution of the urine spots. Male mice produce large numbers of spots which are regularly dispersed, while females produce relatively fewer spots with a more clumped distribution. It is suggested that a hitherto unsuspected level of intersexual communication may explain these differences. |
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2145 |
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Author |
Baba, M., T.; Doi, H.; Ikeda, T.; Iwamoto; Ono Y. |
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A census of large mammals in Omo National Park, Ethiopia |
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Journal Article |
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Year |
1982 |
Publication |
African Journal of Ecology |
Abbreviated Journal |
Afr. J. Ecol. |
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20 |
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3 |
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207-210 |
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Equine Behaviour @ team @ |
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2218 |
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Author |
Brooks, P.M. |
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Title |
Zebra, wildebeest and buffalo sub-population areas in the Hluhluwe-Corridor-Umfolozi Complex, Zululand, and their application in management. |
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1982 |
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S. Afr. J. Wildl. Res. |
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12 |
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140-146 |
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Equine Behaviour @ team @ |
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2251 |
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Author |
Clark, B. |
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Title |
African wild ass |
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Journal Article |
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Year |
1982 |
Publication |
Oryx |
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Oryx |
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17 |
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1 |
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28-31 |
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The African wild ass is endangered. Its habitat is a drought-stricken war zone; its flesh is eaten and is believed to cure hepatitis; it is eagerly sought by dealers and collectors. The author, Chief Curator at Israel's Hai-Bar reserve, examines the problems hindering the conservation of this animal and explains why it is urgently necessary to list it on Appendix I of the Convention on International Trade in Endangered Species of Wild Fauna and Flora at its meeting in April 1983. |
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Equine Behaviour @ team @ |
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2260 |
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Donnelly, J.; Phipps, L.P.; Watkins, K.L. |
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Title |
Evidence of maternal antibodies to Babesia equi and B caballi in foals of seropositive mares |
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Journal Article |
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Year |
1982 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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14 |
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2 |
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126-128 |
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Animals; Antibodies/*analysis; Babesia/*immunology; Complement Fixation Tests; Female; Horses/*immunology; Immunity, Maternally-Acquired; Male; Time Factors |
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English |
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0425-1644 |
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PMID:7084196 |
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Equine Behaviour @ team @ |
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2280 |
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Eberhardt, L.L.; Majorowicz, A. K.; Wilcox,J. A. |
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Title |
Apparent Rates of Increase for Two Feral Horse Herds |
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Journal Article |
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Year |
1982 |
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The Journal of Wildlife Management |
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46 |
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2 |
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367-374 |
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Rates of increase for 2 Oregon feral horse (Equus caballus) herds were estimated from direct aerial counts to be about 20% per year. These rates can be achieved only if survival rates are high, and reproduction exceeds that normally expected from horses. A population dynamics model suggests adult survival to be the key parameter in determining rates of increase, and there is some direct evidence of high adult survival rates. Management implications are discussed. |
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Equine Behaviour @ team @ |
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2286 |
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Edwards, P. J.; Hollis, S. |
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Title |
The Distribution of Excreta on New Forest Grassland Used by Cattle, Ponies and Deer |
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Journal Article |
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Year |
1982 |
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The Journal of Applied Ecology |
Abbreviated Journal |
J Appl Ecol |
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19 |
Issue |
3 |
Pages |
953-964 |
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(1) The distribution of excreta on areas of reseeded grassland in the New Forest used by free-ranging cattle, ponies and fallow deer was shown to be non-random. Distinct latrine areas were recognized where the faeces of all three herbivore species were concentrated, and where the majority of urinations occurred. The mosaic of latrine and non-latrine areas can be detected in aerial photographs in which non-latrine areas appear as light-grey patches set in a matrix of the dark grey latrine areas. During the 3 years of the study the position of the mosaic proved to be relatively stable. (2) The latrine areas were characterized by an uneven sward about 50 mm tall with abundant thistles (Cirsium spp.) and ragwort (Senecio jacobaea). Non-latrine areas had an even and very closely cropped sward between 10 and 20 mm tall. Soil chemical analysis of the two kinds of area revealed significantly higher levels of exchangeable potassium in latrine areas, and on one site significantly higher levels of magnesium and organic matter. No significant differences were detected in soil reaction, nor in phosphorus or calcium levels. (3) Observations of grazing animals revealed a tendency, at all times of year, for ponies to avoid grazing in latrine areas. In winter and spring this tendency was very slight, but from midsummer until late autumn a substantial majority of grazing ponies were to be found in non-latrine areas. In contrast, only 2% of the cattle observations made over a period of 20 months were of animals grazing in non-latrine areas. (4) The standing crop of dung and the rate of dung production on the two kinds of area were monitored for 12 months on one lawn. The amount of pony dung produced on non-latrine areas was only 16.5% of that in latrine areas, while for cattle the corresponding value was 28.7%. It is argued that the observed pattern has been created by selective grazing and eliminatory behaviour of the ponies, and that the excreta of cattle and deer are largely confined to pony latrine areas because these animals are unable to graze the very short herbage of non-latrine areas. |
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Equine Behaviour @ team @ |
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2287 |
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Author |
Klimov, V.; Orlov, V.M. |
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Title |
Current status and problems of conservation of Przewalski's horse (Equus przewalskii). |
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Journal Article |
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Year |
1982 |
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J. Zool., London |
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J. Zool., London |
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61 |
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12 |
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Equine Behaviour @ team @ |
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2329 |
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Author |
Lenarz, M.S. |
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Title |
Habitat partitioning in feral horses: the value of being dominant |
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1982 |
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University of Chicago |
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Equine Behaviour @ team @ |
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2340 |
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Lobanov, N.V. |
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Askania-Nova, A 3rd Reservate in the USSR for the breeding of Equus hemionus kulan. |
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1982 |
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Zoologichesky Zhurnal |
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61 |
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12 |
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1856-1861 |
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Equine Behaviour @ team @ |
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2341 |
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