Brown, D. D., Ross, J. G. & Smith, A. F. G. (1977). Experimental infection of sheep with Salmonella infantis. British Veterinary Journal 133, 435–441.
Cramp, S., Bourne, W. R. P. & Saunders, D. (1974). The Seabirds of Britain and Ireland. London: Collins.
Crew, S. M. (1967). Worm eggs found in gull droppings. Annals of Tropical Medicine and Parasitology 61, 358.
Duncan, N. (1981). The Abbeystead and Mallowdale gull colony before control. Bird Study 28, 133–138.
Edel, W., Schothorst, M. van, Kampelmacher, E. H. (1976). Epidemiological studies on Salmonella in a certain area (‘Walcheren Project’). The presence of Salmonella in man, pigs, seagulls and in foods and effluents. Zentralblatt für Bakteriologie Parasitenkunde Infektionskrankheiten und Hygiene. I. Abt. Orig. A. 325, 476–484.
Fenlon, D. R. (1981). Seagulls (Larus spp.) as vectors of salmonellae: an investigation into the range of serotypes and numbers of salmonellae in gull faeces. Journal of Hygiene 86, 195–202. 86, 195–202.
Fennell, H., James, D. B. & Morris, J. (1974). Pollination of a storage reservoir by roosting gulls. Water Treatment and Examination 23, 5–2.
Hall, G. A. & Jones, P. W. (1978). A study of the susceptibility to oral infection by salmonellas contained in raw sewage sludge. Journal of Hygiene 80, 409–414.
Harris, M. P. (1970). Rates and causes of increases of some British gull populations. Bird Study 17, 325–335.
Hickling, R. A. O. (1977). Inland wintering of gulls in England and Wales. Bird Study 24, 79–88.
Johnston, W. S., Maclachlan, G. K. & Hopkins, G. F. (1979). The possible involvement of seagulls (Larus spp.) in the transmission of salmonella in dairy cattle. Veterinary Record 105, 526–527.
Macdonald, J. W. & Brown, D. D. (1974). Salmonella infection in wild birds in Britain. Veterinary Record 94, 321–322.
McCoy, J. H. (1963). Salmonellae in crude sewage, sewage effluent and sewage-polluted natural waters. International Journal of Air and Water Pollution 7, 597–611.
McCoy, J. H. & Spain, G. E. (1960). Soc. Appl. Bact. Tech. Series No. 3. Isolation Methods for Microbiologists, pp. 17–27 (ed. Shapton, D. A. and Gould, G. W.). London: Academic Press.
Monaghan, P. (1980). Dominance and dispersal between feeding sites in the herring gull (Larus argentatus). Animal Behaviour 28, 521–527.
Monaohan, P. & Coulson, J. C. (1977). Status of large gulls nesting on buildings. Bird Study 24, 89–104.
Pagon, S., Sonnabend, W. & Krech, U. (1974). Epidemiologic relationships between human and animal Salmonella carriers and their environment in the Swiss region of the Lake of Constance. Zentralblatt für Bakteriologie Parasitenkunde Infektionskrankheiten und Hygiene. I. Abt. Orig. B 158, 395–411.
Rolfe, V. (1946). Note on the preparation of tetrathionate broth. Monthly Bulletin of the Ministry of Health and Public Health and Public Health Laboratory Service 5, 158.
Smith, M. G. (1977). Transfer of R factors from Escherichia coli to salmonellas in the rumen of sheep. Journal of Medical Microbiology 10, 29–35.
Spence, J. B. & Westwood, A. (1978). Salmonella agona infection in sheep. Veterinary Record 102, 332–336.
Steiniger, F. (1970). Transport of micro-organisms by migratory birds between Europe and South Africa, in relation to bird-ringing and disinfection. Panafrican Ornithological Congress 1969. Pretoriuskop. Abstr. 283–297.
Taylor, R. J. & Burrows, M. R. (1971). The survival of Escherichia coli and Salmonella dublin in slurry on pasture and the infectivity of S. dublin for grazing calves. British Veterinary Journal 127, 536–542.
Williams, B. M., Richards, D. W. & Lewis, J. (1976). Salmonella infection in the herring gull (Larus argentatus). Veterinary Record 98, 51.
Williams, B. M., Richards, D. W., Stephens, D. P. & Griffiths, T. (1977). The transmission of S. livingstone to cattle by the herring gull (Larus argentatus). Veterinary Record 100, 450–451.