Seasonality and reproduction in wild-living cats in Scotland

• Autorzy: Daniels M. J. , Wright T.C.M. , Bland K.P. , Kitchener A.C.
• Języki publikacji: EN

Abstrakty

EN

The definition of the wildcat Felis silvestris Schreber, 1775 in Scotland is conten­tious, in light of long-term interbreeding with domestic cats F. catus Linnaeus, 1758. Two morphological groupings (Group 1 and Group 2) have previously been proposed to explain the variation found in wild-living cats in Scotland, with Group 1 cats closest to wildcats and Group 2 cats to domestic cats. Data from the reproductive tracts of 185 wild-living cat carcasses and evidence of reproductive activity in 31 live cats were analysed in order to compare reproductive activity between the morphological groups, and in relation to seasonality and existing data on wildcats and domestic cats. For males, Group 2 cats had a greater mean relative testes size than Group 1 cats. Estimated from corpora lutea, there was a suggestion that Group 1 females showed more seasonality in oestrous than Group 2 cats. In all wild-living cats, the mean litter size was 4.3 and estimated birth dates were throughout the year, but least in winter. A high number of pseudopregnancies were recorded. The results were consistent with the hypothesis that Group 2 cats are closer to domestic cats. However, the variation observed in the sample of wild-living cats reported here, suggested that reproduction was neither strictly seasonal nor outside the range observed in some feral cat popu­lations.

Słowa kluczowe

EN

reproduction; wildcat; Scotland; wild-living cat; seasonality; Felis silvestris

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 2002
• Tom: 47
• Numer: 1
• Opis fizyczny: p.73-84,fig.

Twórcy

autor

Daniels M. J.

• The Macaulay Institute, Craigiebuckler, Arbedeen AB15 8QH, U.K.

autor

Wright T.C.M.

autor

Bland K.P.

autor

Kitchener A.C.

Bibliografia

• Aarde R. J. van 1978. Reproduction and population ecology in the feral house cat, Felis catus, on Marion Island. Carnivore Genetics Newsletter 3: 288-316.
• Bancroft J. D. and Stevens A. 1996. Theory and practice of histological techniques. Fourth edition. Churchill Livingstone, Edinburgh: 1-274.
• Beaumont M., Barratt E. M., Gotelli D., Kitchener A. C., Daniels M. J., Pritchard J. K. and Bruford M. W. 2001. Genetic diversity and introgression in the Scottish wildcat. Molecular Ecology 10: 319-336.
• Condé B. and Schauenberg P. 1969a. Reproduction du chat forestier d'Europe (Felis silvestris Schreber) en captivité. Revue Suisse Zoologie 76: 183-215.
• Condé B. and Schauenberg P. 1969b. Fortpflanzun der Wildkatze (Felis silvestris Schr.) in Nordost-Frankeich. Revue Suisse Zoologie 81: 45-52.
• Condé B. and Schauenberg P. 1978. Remplacement des canines chez le chat forestier Felis silvestris Schreber. Revue Suisse Zoologie 85: 241-245.
• Corbett L. K. 1979. Feeding ecology and social organization of wildcats (Felis silvestris) and domestic cats (Felis catus) in Scotland. Ph D thesis, University of Aberdeen, Aberdeen: 1-296.
• Daniels M. J. 1997. The biology and conservation of the wildcat in Scotland. Ph D thesis, University of Oxford, Oxford: 1-185.
• Daniels M. J., Balharry D., Hirst D., Kitchener A. C. and Aspinall R. J. 1998. Morphological and pelage chracteristics of wild living cats in Scotland: implications for defining the 'wildcat'. Journal of Zoology, London 244: 231-247.
• Daniels M. J., Beaumont M., Johnson P. J., Balharry D., Macdonald D. W. and Barratt E. 2001. Ecology and genetics of wild living cats in the northeast of Scotland and the implications for the conservation of the wildcat. Journal of Applied Ecology 38: 146-161.
• Derenne P. 1976. Notes sur la biologie du chat haret de Kerguelen. Mammalia 40: 531-595.
• Diem K. 1962. Documenta Geigy: Scientific tables (6th edn). Geigy Pharmaceutical Company Ltd., Manchester: 1-810.
• Easterbee N. 1991. Wildcat Felis silvestris. [In: The handbook of British mammals. Third edition. G . B. Corbet and S. Harris, eds]. Blackwell Scientific Publications, Oxford: 431-437.
• Goodrowe K. L., Howard J. G., Schmidt P. M. and Wildt D. E. 1989. Reproductive biology of the domestic cat with special reference to endocrinology, sperm function and in-vitro fertilization. Journal of Reproduction and Fertility (Supplement) 39: 73-90.
• Jochle W. and Jochle M. 1993. Reproduction in a feral cat population and its control with a prolactin inhibitor, cabergoline. Journal of Reproduction and Fertility (Supplement) 39: 419-424.
• Johnston S. D., Root M. V. and Olson P. N. S. 1996. Ovarian and testicular function in the domestic cat: clinical management of spontaneous reproductive disease. Animal Reproduction Science 42: 261-274.
• Jones E. and Coman B. J. 1982. Ecology of the feral cat, Felis catus (L.), in south-eastern Australia III. Home ranges and population ecology in semi arid north-west Victoria. Australian Wildlife Research 9: 409-420.
• Kenagy G. J. and Trombulak S. C. 1986. Size and function of mammalian testes in relation to body size. Journal of Mammalogy 67: 1-22.
• Kirkpatrick J. F. 1985. Seasonal testosterone levels, testosterone clearance and testicular weights in male domestic cats. Canadian Journal of Zoology 63: 1285-1287.
• Kolb H. 1977. Wild cat Felis silvestris. [In: The handbook of British mammals. Second edition. G. B. Corbet and H. N. Southern, eds]. Blackwell Scientific Publications, Oxford: 375-382.
• Macdonald D. W. and Barrett P. 1993. Collins field guide. Mammals of Britain and Europe. Harper Collins, London: 133-136.
• Matthews H. L. 1941. Reproduction of the Scottish wild cat, Felis silvestris grampia Miller. Proceedings of the Zoological Society of London 111(B): 59-77.
• Meyer-Holzapfel M. 1968. Breeding the European wild cat Felis silvestris at Berne. Zoo International Zoo Year Book 8: 31-38.
• Natoli E. and de Vito E. 1991. Agonistic behaviour, dominance rank and copulatory success in a large multi-male feral cat, Felis catus L., colony in central Rome. Animal Behaviour 42: 227-241.
• Nelis P. C. 1995. Feline reproduction. [In: Compendium of animal production. Second edition. P. Broers, ed]. AVGI-Intervet, Belgium: 163-175.
• Pascal M. 1980. Structure et dynamique de la population de chats harets de l'Archipel des Kerguelen. Mammalia 44: 161-182.
• Price E. O. 1984. Behavioural aspects of animal domestication. Quarterly Review of Biology 59: 1-32.
• Reig S., Daniels M. J. and Macdonald D. W. 2001. Craniometric differentiation within wild living cats in Scotland using 3D morphometrics. Journal of Zoology, London 253: 121-132.
• Renouf D., Taylor R. and Gales R. 1994. Pseudopregnancy in harp seals (Phoca groenlandica). Journal of Reproducion and Fertility 101: 31- 36.
• Silver I. A. 1969. Ageing of domestic animals. [In: Science in archaeology. Second edition. B. Brothwell and A. Higgs, eds]. Hudson, Thames: 283-302.
• Stahl P. and Leger F. 1992. Le chat sauvage d'Europe (Felis silvestris Schreber, 1777). Encyclopédie des carnivores de France No. 17: 1-50.
• Tsutsui T. and Stabenfeldt G. H. 1993. Biology of ovarian cycles, pregnancy and pseudopregnancy in the domestic cat. Journal of Reproduction and Fertility (Supplement) 47: 29-35.
• Volf J. 1968. Breeding the European wild cat Felis silvestris at Prague Zoo. International Zoo Year Book 8: 38-42.
• Warner R. E. 1985. Demography and movements of free-ranging domestic cats in rural Illinois. The Journal of Wildlife Management 49: 340-346.
• Woodall P. F., Pavlov P. and Tolley L. K. 1993. Comparitive dimensions of the testes, epididymides and spermatozoa of Australian dingoes (Canis familiaris dingo) and domestic dogs (Canis familiaris familiaris): some effects of domestication. Australian Journal of Zoology 41: 133-140.