American Pet Products Association (2020) “Pet industry market size & ownership statistics”, Pet Industry Market Size & Ownership Statistics, American Pet Products Association [accessed on 8 September 2020].
Arman, K. (2007) “A new direction for kennel club regulations and breed standards”, Canadian Veterinary Journal, 48, pp. 953-965.
Bateson, P. (2010) Independent inquiry into dog breeding, Halesworth: Micropress [accessed on 14 April 2013].
Beauvais, W.; Cardwell, J. M. & Brodbelt, D. C. (2012) “The effect of neutering on the risk of mammary tumours in dogs – A systematic review”, Journal of Small Animal Practice, 53, pp. 314-322.
Bouw, J. (1982) “Hip dysplasia and dog breeding”, Veterinary Quarterly, 4, pp. 173-181.
Brooks, D. L & Tillman, P. C. (1983) “Pound seizure will not put an end to cruelty to animals”, California Veterinarian, 37, pp. 73-75.
Chastain, C. B.; Panciera, D. & Waters, C (1998) “Associations between age, parity, hormonal therapy and breed, and pyometra in Finnish dogs”, Veterinary Record, 143, pp. 493-498.
Christiansen, R. (2000) Save our strays: How we can end pet overpopulation and stop killing healthy cats and dogs, Napa: CLC Publishing.
Clancy, E. A. & Rowan, A. N. (2003) “Companion animal demographics in the United States: A historical perspective”, in Salem, D. & Rowan, A. (eds.) State of the animals, Washington, D.C.: Humane Society Press, pp. 129-143.
Crooks, K. R. & Soulé, M. E. (1999) “Mesopredator release and avifaunal extinctions in a fragmented system”, Nature, 400, pp. 563-566.
Dauphiné, N. & Cooper, R. J. (2009) “Impacts of free-ranging domestic cats (Felis Catus) on birds in the United States: A review of recent research with conservation and management recommendations”, in Rich, T. D.; Arizmendi, C.; Demarest, D. W. & Thompson, C. (eds.) Tundra to Tropics: Connecting birds, habitats and people, pp. 205-219.
Ducceschi, L.; Green, N. & Miller-Spiegel, C. (2010) “Dying to learn: The supply and use of companion animals in U.S. colleges and universities”, Alternativen zu Tierexperiment, 27, pp. 304-308 [accessed on 14 March 2021].
Edwards, C. C. (1991) “The pound seizure controversy: a suggested compromise in the use of impounded animals for research and education”, Journal of Energy Natural Resources & Environmental Law, 11, pp. 241-242.
Fumarola, A. J. (1999) “With best friends like us who needs enemies: The phenomenon of the puppy mill, the failure of legal regimes to manage it, and the positive prospects of animal rights”, Buffalo Environmental Law Journal, 253, pp. 264-365.
Gilliam, J. D. (2009) “Fido goes to the lab: Amending the animal welfare act to require animal rescue facilities to disclose pound seizure practices to pet owners”, Journal of Animal Law, 5, pp. 103-128 [accessed on 25 February 2021].
Gobello, C.; Concannon, P. W.; Verstegen, J. & Linde-Forsberg, C. (2000) Recent advances in small animal reproduction, Ithaca: IVIS.
Grellet, A.; Chastant-Maillard, S.; Robin, C.; Feugier, A.; Boogaerts, C.; Boucraut-Baralon, C.; Grandjean, D. & Polack, B. (2014) “Risk factors of weaning diarrhea in puppies housed in breeding kennels”, Preventive Veterinary Medicine, 117, pp. 260-265 [accessed on 11 January 2017].
Herrewegh, A. A. P. M.; Mahler, M.; Hedrich, H. J.; Haagmans, B. L.; Egberink, H. F.; Horzinek, M. C.; Rottier, P. J. M. & de Groot, R. J. (1997) “Persistence and evolution of feline coronavirus in a closed cat-breeding colony”, Virology, 234, pp. 349-363.
Hughes, K. L.; Slater, M. R. & Haller, L. (2002) “The effects of implementing a feral cat spay/neuter program in a Florida county animal control service”, Journal of Applied Animal Welfare Science, 5, pp. 285-298.
Kass, P. H. (2007) “Cat overpopulation in the United States”, Animal Welfare, 3, pp. 119-139.
Kutzler, M. & Wood, A. (2006) “Non-surgical methods of contraception and sterilization”, Theriogenology, 66, pp. 514-525.
Lawrie, M. & Constable, S. (2006) “Community animal welfare scheme a success”, Australian Veterinary Journal, 83, p. 708.
Lepczyk, C. A.; Mertig, A. G. & Jianguo L. (2003) “Landowners and cat predation across rural-to-urban landscapes”, Biological Conservation, 115, pp. 191-201.
Lepper, M.; Kass, P. H. & Hart, L. A. (2002) “Prediction of adoption versus euthanasia among dogs and cats in a california animal shelter”, Journal of Applied Animal Welfare Science, 5, pp. 29-42.
Levy, J. K.; Gale, D. W. & Gale, L. A. (2003) “Evaluation of the effect of a long-term trap-neuter-return and adoption program on a free-roaming cat population”, Journal of the American Veterinary Medical Association, 222, pp. 42-46.
Looney, A. L.; Bohling, M. W.; Bushby, P. A.; Howe, L. M.; Griffin, B.; Levy, J. K.; Eddlesone, S. M.; Weedon, J. R.; Appel, L. D.; Rigdon-Brestle, K.; Ferguson, N. J.; Sweeney, D. J.; Tyson, K. A.; Voors, A. H.; White, S. C.; Wilford, C. L.; Farrell, K. A.; Jefferson, E. P.; Moyer, M. R.; Newbury, S. P.; Saxton, M. A. & Scarlett, J. M. (2008) “The Association of Shelter Veterinarians veterinary medical care guidelines for spay-neuter programs”, Journal of the American Veterinary Medical Association, 233, pp. 74-86 [accessed on 30 November 2014].
Loss, S. R.; Will, T. & Marra, P. P. (2013) “The impact of free-ranging domestic cats on wildlife of the United States”, Nature Communications, 4 [accessed on 21 May 2013].
Luke, C. (1996) “Animal shelter issues”, Journal of the American Veterinary Medicine Association, 208, pp. 524-527.
Manning, A. M. & Rowan, A. N. (1992) “Companion animal demographics and sterilization status: Results from a survey of four Massachusetts towns”, Anthrozoös, 5, pp. 192-201.
Marsh, P. (2004) “The strategy for tomorrow: Solving pet overpopulation”, Animals in Print: The On-Line Newsletter, May 14.
Marsh, P. (2010) Replacing myth with math: Using evidence-based programs to eradicate shelter overpopulation, Concord: Town and Country [accessed on 2 May 2013].
Moulton, C. (1990) “Early spay/neuter: Risks and benefits for shelters”, Shoptalk, 7, pp. 1-6.
Murray, R.W. (1992) “Unwanted pets and subsidised pet neuter schemes”, Australian Veterinary Practitioner, 22, pp. 12-18.
Nasser, R. & Fluke, J. (1991) “Pet population dynamics and community planning for animal welfare and animal control”, Journal of the American Veterinary Medicine Association, 198, pp. 1160-1163.
Olson, P. N. & Moulton, C. (1993) “Pet (dog and cat) overpopulation in the United States”, Journal of Reproduction and Fertility. Supplement, 47, pp. 433-438.
Olson, P.; Moulton, C.; Nett, T. M. & Salman, M. D. (1991) “Pet overpopulation: A challenge for companion animal veterinarians in the 1990s”, Journal of the American Veterinary Medical Association, 198, pp. 1151-1152.
Patronek, G. & Glickman, L. (1993) “Development of a model for estimating the size and dynamics of the pet dog population”, Anthrozoös, 7, pp. 25-41.
Patronek, G. J. & Rowan, A. N. (1995) “Determining dog and cat numbers and population dynamics”, Anthrozoös, 8, pp. 199-205.
Phillips, A. (2010) How shelter pets are brokered for experimentation: Understanding pound seizure, Plymouth: Rowman and Littlefield.
Podberscek, A. L.; Paul, E. S. & Serpell, J. A. (eds.) (2000) Companion animals & us: Exploring the relationship between people and pets, Cambridge: Cambridge University Press.
Roberti, D. A. (1983) “The case against pound seizure: Economics and animal welfare”, California Veterinarian, 37, pp. 67-68.
Roetman, P.; Tindle, H.; Litchfield, C.; Chiera, B.; Quinton, G.; Kikillus, H.; Bruce, D. & Kays, R. (2017) Cat Tracker South Australia: Understanding pet cats through citizen science, University of South Australia: Discovery Circle Initiative [accessed on 31 January 2021].
Ruxton, G. D.; Thomas, S. & Wright, J. W. (2002) “Bells reduce predation of wildlife by domestic cats (Felis catus)”, Journal of Zoology, 256, pp. 81-83.
Seymour, C. L.; Simmons, R. E.; Morling, F.; George, S. T.; Peters, K. & O’Riain, M. J. (2020) “Caught on camera: The impacts of urban domestic cats on wild prey in an African city and neighbouring protected areas”, Global Ecology and Conservation, 23, pp. 303-319 [accessed on 17 February 2021].
Stoller, K. P. (1981) “Sewer science and pound seizure”, International Journal for the Study of Animal Problems, 2, pp. 241-244.
Thomas, R. L.; Fellowes, M. D. E. & Baker P. J. (2012) “Spatio-temporal variation in predation by urban domestic cats (Felis catus) and the acceptability of possible management actions in the UK”, PLOS ONE, 7 (11) [accessed on 1 August 2013].
Wenstrup, J. & Dowidchuk, A. (1999). “Pet overpopulation: Data and measurement issues in shelters”, Journal of Applied Animal Welfare Science, 2, pp. 303-319.
White, S. C.; Jefferson, E. & Levy, J. K. (2010) “Impact of publicly sponsored neutering programs on animal population dynamics at animal shelters: The New Hampshire and Austin experiences”, Journal of Applied Animal Welfare Science, 13, pp. 191-212.
Zaunbrecher, K. I. & Smith, R. E. (1993) “Neutering of feral cats as an alternative to eradication programs”, Journal of the American Veterinary Medical Association, 203, pp. 449-452.
Carter, C. G.; Purser, G. J.; Houlihan, D. F. & Thomas, P. (1996) “The effect of decreased ration on feeding hierarchies in groups of greenback flounder Rhombosolea tapirina: Teleostei)”, Journal of the Marine Biological Association of the United Kingdom, 76, pp. 505-516.
Czányi, V. & Dóka, A. (1993) “Learning interactions between prey and predator fish”, Marine Behaviour and Physiology, 23, pp. 63-78.
Duncan, I. J. H. & Hawkins, P. (eds.) (2010) Welfare of domestic fowl and other captive birds, Dordrecht: Springer.
Ferraz de Oliveria, E. (1995) Studies on parasites of ornamental fish from South America with potential for transfaunation, PhD Thesis, Stirling: University of Stirling [accessed on 30 April 2020].
FitzGibbon, D. (1993) “UK restriction proposals”, Ornamental Fish International Journal, 10, pp. 12-14.
Gerlach, H. (1984) “Virus disease in pet birds”, Veterinary Clinics of North America: Small Animal Practice, 14, pp. 299-316.
Gollerstein, G. A. (1994) The complete bird owner’s handbook, New York: Howell.
Graham, D. L. (1998) “Pet birds: Historical and modern perspectives on the keeper and the kept”, Journal of the American Veterinary Medical Association, 212, pp. 1216-1219.
Greaves, K. & Tuene, S. (2001) “The form and context of aggressive behaviour in farmed Atlantic halibut (Hippoglossus hippoglossus L.)”, Aquaculture, 193, pp. 139-147.
Halim, A. (2002) “Adoption of cyanide ﬁshing practice in Indonesia”, Ocean & Coastal Management, 45, pp. 313-323.
Hignette, M. (1984) “Utilisation du cyanure pour la capture des poissons tropicaux marins destinés a l’aquariologie: Methodes de diagnostic”, Oceanis, 10, pp. 585-591.
Hollmann P. (1997) “Behavioral disorders in psittacines. 2: Therapeutic measures”, Tierarztliche Praxis, 25, pp. 356-362.
Indrawan, M. (1999) “Live reef food fish trade in the Banggai Islands (Sulawesi, Indonesia): A case study”, SPC Live Reef Fish Trade Information Bulletin, 6, pp. 7-14.
Lima, S. L. (1998) “Predator induced stress and behaviour”, Advances in the Study of Behaviour, 27, pp. 215-290.
MacMahon, S. & Burgess, P. (2007) “Why it’s cruel to dye”, Practical Fishkeeping, 22 April.
McAllister, D. E.; Caho, N. L. & Shih, C. T. (1999) “Cyanide ﬁsheries: Where did they start?”, SPC Live Reef Fish Information Bulletin, 5, pp. 18-21.
Metcalfe, N. B.; Huntingford, F. A. & Thorpe, J. E. (1987) “The influence of predation risk on the feeding motivation and foraging strategy of juvenile Atlantic salmon”, Animal Behaviour, 35, pp. 901-911.
Metcalfe, N. B. & Thomson, B. C. (1995) “Fish recognize and prefer to shoal with poor competitors”, Proceedings of the Royal Society B: Biological Sciences, 259, pp. 207-210.
Moberg, G. P. (1999) “When does an animal become stressed?”, Laboratory Animals, 23, pp. 22-26.
Patrak, M. L. (ed.) (1996 ) Diseases of cage and aviary birds, 3rd ed., Philadelphia: Lea and Febiger.
Pet, J. S. & Pet-Soede, L. (1999) “A note on cyanide fishing in Indonesia”, SPC Live Reef Fish Information Bulletin, 5, pp. 21-22.
Reavill, D. R. (2004) “Tumors of pet birds”, Veterinary Clinics of North America: Exotic Animal Practice, 7, pp. 537-560.
Reimchen, T. E. (1994) “Predators and morphological behaviour in the threespine stickleback”, in Bell, M. A. & Foster, S. A. (eds.) The evolutionary biology of the threespine stickleback, Oxford: Oxford University Press, pp. 207-240.
Sharpe, S. (2014) “Artificially colored aquarium fish: Death by dyeing”, Freshwater Aquariums – About.com, November 24 [accessed on 9 January 2016].
Startup, C. M. (1970) “The diseases of cage and aviary birds (excluding the specific diseases of the budgerigar)”, in Rogers, A. & Norris, K. A. (eds.) Encyclopedia of aviculture, I, London: Blandford, pp. 46-58.
Tsai, S. S.; Park, J. H.; Hirai, K. & Itakura C. (1993) “Eye lesions in pet birds”, Avian Pathology, 22, pp. 95-112.
Van Hoek, C. S. & ten Cate, C. (1998) “Abnormal behavior in caged birds kept as pets”, Journal of Applied Animal Welfare Science, 1, pp. 51-64.
Vriends, M. M. (1987) Aviaries: A complete introduction, Neptune City: TFH Publications.
Wabnitz, C.; Taylor, M.; Green, E. & Razak, T. (2003) From ocean to aquarium, Cambridge: UNEP World Conservation Monitoring Centre, pp. 6-7.
Wallach, J. D. (1970) “Nutritional diseases of exotic animals”, Journal of the American Veterinary Medical Association, 157, pp. 583-599.
Wendelaar Bonga, S. E. (1997) “The stress response in fish”, Physiological Reviews, 77, pp. 591-625.
Wolf, P.; Bayer, G.; Wendler, C. & Kamphues, J. (2009) “Mineral deficiency in pet birds”, Journal of Animal Physiology and Animal Nutrition, 80, pp. 140-146.
Wolf, P. & Kamphues, J. (2003) “Hand rearing of pet birds – Feeds, techniques and recommendations”, Journal of Animal Physiology and Animal Nutrition, 87, pp. 122-128.