Overpopulation of domestic pets

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In some countries there is an overpopulation of pets such as cats, dogs, and exotic animals. In the United States, six to eight million animals are brought to shelters each year, of which an estimated three to four million are subsequently euthanized, including 2.7 million considered healthy and adoptable. Euthanasia numbers have declined since the 1970s, when U.S. shelters euthanized an estimated 12 to 20 million animals. Most humane societies, animal shelters and rescue groups urge animal caregivers to have their animals spayed or neutered to prevent the births of unwanted and accidental litters that could contribute to this dynamic.

Global effects

Dealing with a population of unwanted domestic animals is a major concern to animal welfare and animal rights groups. Domestic animal overpopulation can be an ecological concern, as well as a financial problem: capturing, impounding and eventual euthanasia costs taxpayers and private agencies millions of dollars each year. Unwanted pets released into the wild may contribute to severe ecosystem damage (e.g. the effect of introducing exotic snakes into Florida's Everglades). With overpopulation of domestic pets and limited spaces to shelter them, the amount of homeless animals contracting diseases is rising. This is a public health concern to people all over the world as diseases, like canine rabies, can spread rapidly from animals to humans. According to the World Health Organization (WHO), over 3 billion people in Asia and Africa are at high risk of contracting canine rabies, tens of thousands dying each year.

Statistics

The examples and perspective in this section may not represent a worldwide view of the subject. You may improve this section, discuss the issue on the talk page, or create a new section, as appropriate. (March 2018) (Learn how and when to remove this message)

Bahrain

In Bahrain the number of stray dogs has been increasing since early 2000s with the situation getting out of hand in late 2010s which caused a lot of controversy regarding the case from people claiming to be bothered and attacked by stray dogs and stray dogs puppies being inhumanely murdered (or burned). On the other hand, since 2014 an act has been put by the Bahrain Society for the Prevention of Cruelty to Animals (BSPCA) and made a plea to the government to help keep the Catch, Neuter and Return programme (CNVR) running. Frequent attacks on farms also happened, Sheikha Marwa bint Abdulrahman Al Khalifa also contributed to the case and decided to build a shelter (welfare) for the strays to neuter and rehabilitate them to prevent further attacks while also cooperating with the Bahrain stray dogs society group.

Canada

The Canadian Federation of Humane Societies (CFHS) has been collecting statistics from Canadian animal shelters since 1993. A survey in 2013 included data from 100 of 186 humane societies and SPCAs. However, municipal animal services agencies were not included, hence "the data in this report represents only a fraction of homeless companion animals in Canada." In 2012, the surveyed shelters took in just over 188,000 animals, and euthanized 65,423 animals, representing 35% of all intakes. Six times as many cats were euthanized as dogs, or 41% of cats and 15% of dogs. The report said a gradually improving trend, but that cats have a far worse outcome than dogs: "More than twice as many cats enter shelters than dogs, and though adoption rates for cats are similar to those for dogs, fewer cats are reclaimed and many more are euthanized."

United States

Estimates of animals brought to shelters and of animals subsequently euthanized in the U.S. have issues with their reliability. The Humane Society of the United States provides shelter statistics with this caution: "There is no central data reporting system for U.S. animal shelters and rescues. These estimates are based on information provided by the (former) National Council on Pet Population Study and Policy." The HSUS provided numbers of 6 to 8 million animals taken to shelters, 3 to 4 million animals euthanized, and 2.7 million of the euthanized animals being healthy and adoptable, as estimates for 2012–2013, and also for annual figures in an August 2014 article.

The National Council on Pet Population Study and Policy conducted a survey over four years, 1994–1997, and cautions against the use of their survey for wider estimates: "It is not possible to use these statistics to estimate the numbers of animals entering animal shelters in the United States, or the numbers euthanized on an annual basis. The reporting Shelters may not represent a random sampling of U.S. shelters." Summary statistics from the survey said that in 1997, 4.3 million animals entered the surveyed shelters; the shelters euthanized 62.6% of them, or 2.8 million animals. These numbers broke down to 56.4% of dogs euthanized, and 71% of cats. The original survey was sent to 5,042 shelters housing at least 100 dogs and cats each year, of whom only 1,008 shelters participated in 1997.

The American Society for the Prevention of Cruelty to Animals provides alternate numbers, saying that there are about 13,600 community animal shelters in the US. "There is no national organization monitoring these shelters", and "no government institution or animal organization is responsible for tabulating national statistics for the animal protection movement." However, national estimates are provided of 7.6 million animals entering shelters each year, with 2.7 million of them euthanized.

The American Humane Association said the difficulties in estimating numbers, and provides a higher figure, saying that in 2008, an estimated 3.7 million animals were euthanized in shelters. A 1993 study of US dog populations considered a wider range of sources than animal shelters. The study found that 4 million dogs entered shelters, with 2.4 million (or 60%) euthanized (p. 203).

Reasons for relinquishment

Unwanted dogs and cats may have been acquired from any source. Large numbers of animals are placed in shelters by pet owners each year for reasons such as moving, allergies, behavioral problems, and lack of time or money, or the pet animal giving birth to young. Another common reason for surrendering a pet is because of milestones, like marriage or the birth of a new baby.

During multiple interviews conducted by Colorado State University graduates and other college graduates, it was found that over 3,000 pet owners were asked about their relinquishment of domestic animals. Of those owners about 3,600 dogs and litters and 1,400 cats and litters have been relinquished. According to the university's research, some of the top 10 reasons for relinquishment were problems with other pets in the house, the owner having personal problems, landlords not allowing pets, and cost. The university found that the top reason for relinquishment is aggression towards people. Based on third party research conducted by Canine Journal, it was found that 1 in 74 people will be a victim to dog bites. However, some breeds tend to bite more than other breeds.

According to ASPCA the two other major reasons for relinquishment, other than behavioral problems with the pet, are family situations and housing issues. Of these pets that are being "re-homed", ASPCA provides statistics showing 37% of these pets are re-homed with a friend or family member. Shelters become the new "home" for 36% of relinquished pets, even though many people would want this to be their last resort. Each year 6.5 million domestic pets enter shelters, these shelters are being massively overwhelmed by the intake of animals. Most shelters are not capable of getting all of these animals adopted, which unfortunately leads to many animals being euthanized.

Purebred animals

The American Pet Products Association says that since purebreds are only 5% to 6% of the US pet cat population, the overpopulation problem is mainly due to mixed or random bred animals, and avoiding purebred cats would make little difference. The Humane Society of the United States (HSUS) says that 25% of the dogs who enter animal shelters are purebred.

The American Kennel Club (AKC) and the Cat Fanciers' Association (CFA) say the benefits of purebred dogs or cats include that they have been developed over time to show specific traits that are useful for hunting, rescue, assistance and other needs. Animal buyers, including pet owners, may choose a purebred to ensure they know ahead of time the size and other characteristics a young animal will grow into. The CFA also says that purebred cats may make better pets because they have a weaker hunting instinct. The HSUS says that a pedigree is not a guarantee of health and temperament, and that mixed breed dogs and cats often show good characteristics of both breeds, and may be less likely to have genetic defects.

The AKC says breeders offer services and information about the animals they sell, such as a detailed pedigree, and expertise in the health and temperament of the breed they specialize in. The HSUS says animal shelters may offer animals that have already had necessary veterinary procedures, such as spaying or neutering, vaccination, deworming, and microchipping.

The best practices set by the AKC for responsible breeders include screening customers so animals are placed in a good home, and follow up services including collecting long-term health and development data about animals they have bred, and guaranteeing to take back any animals if their situation is not mutually beneficial for the pet and the owner, and then placing them in a new home. The AKC says that their organization serves to prevent animal cruelty by suspending the benefits of their breed registry and other services from members convicted of animal cruelty, and that their inspection program actively uncovers cases of inhumane treatment of dogs. The HSUS says the AKC has lobbied against laws to stop puppy mills, and that many of the breeders certified as humane by AKC inspectors were later convicted of animal cruelty offenses, while the AKC says it has favored legislation that is necessary, but worked to stop well-intentioned laws that are unenforceable or counterproductive, such as kennel population limits that may harm genetic diversity. The HSUS does not advocate banning breeding but encourages prospective pet owners to seek a breed rescue organization rather than buying directly from a breeder.

Backyard breeding and puppy mills are motivated by profit and the perceived high demand for a particular breed, often without concern for the health or welfare of the animals involved. These animals may be sold through pet stores or directly from the breeders themselves. The AKC says that negligence and cruelty to animals is illegal throughout the US, and that the solution to irresponsible breeding is more effective enforcement of the law, rather than blaming responsible breeders or the demand for purebred animals. The CFA's legislative stance is similar to the AKC. The CFA also says that cat overpopulation is due to free roaming, unaltered pet cats, and feral cats, not purebreds. The CFA says that animal control agencies have failed to publicize complete statistics on the killing of dogs and cats that are dangerously aggressive, concealing the degree to which pet animal euthanasia will always be unavoidable.

References

^ "Pets by the numbers", HSUS, January 30, 2014.
^ "Why You Should Spay/Neuter Your Pet: Curb pet overpopulation and make your pet healthier", HSUS, August 24, 2014.
"A Humane Nation: Wayne Pacelle's Blog: Setting Aside Semantics: Not Killing Pets Must Be Our Goal", HSUS, December 8, 2007.
"New Research Exposes High Taxpayer Cost For 'Eradicating' Free-Roaming Cats". Prweb.com. Archived from the original on March 22, 2010. Retrieved 2012-10-16.
"International Animal Health Journal". 2013-07-04. Retrieved 2024-10-11.
"Drive to eradicate stray dogs hits snag". GULF DIGITAL NEWS. August 24, 2013. Retrieved 2016-05-08.
"Drive to eradicate stray dogs hits snag". Trade Arabia. May 12, 2015. Retrieved 2016-05-08.
^ "Animal Shelter Statistics", Canadian Federation of Humane Societies, December 18, 2013, available for download at link provided.
In 2013, half a million unwanted pets were euthanized in Quebec
^ "The Shelter Statistics Survey, 1994-97", National Council on Pet Population Study and Policy, accessed September 19, 2014.
^ "Misc: Pet Statistics", ASPCA, accessed September 10, 2014.
"Animal Shelter Euthanasia", American Humane Association, accessed September 19, 2014.
"Are there too many dogs and cats?: Pet overpopulation myths and Facts", Norma Bennett Woolf, National Animal Interest Alliance, March 19, 1997, referring to Gary J. Patronek and Andrew N Rowan, "Determining Dog and Cat Numbers and Population Dynamics", Anthrozoos Vol. 8, No. 4, (1995), pp. 199-205; that article referred to the original 1993 study: "Development of a Model for Estimating the Size and Dynamics of the Pet Dog Population", Gary J. Patronek, Anthrozoos, Vol. 12, 1993; No. 7(1), pp. 25-42.
Gary J. Patronek and Andrew N Rowan, "Determining Dog and Cat Numbers and Population Dynamics", Anthrozoos Vol. 8, No. 4, (1995), pp. 199-205, at pp. 202-203.
"Animal Population Control". Americanhumane.org. January 1, 2021.
NAIA Online. "Human and Animal Factors Related to the Relinquishment of Dogs and Cats" (PDF).
"Dog Bite Statistics (Most Common Breeds & How Likely Are You To Get Bit?)". CanineJournal.com. November 21, 2023.
"More than 1 Million Households Forced to Give up Their Beloved Pet Each Year, ASPCA Research Reveals". ASPCA. Retrieved 2021-12-02.
"Shelter Intake and Surrender". ASPCA. Retrieved 2021-12-02.
^ "Adoption Vs. Buying From Breeder", Animal Planet
"Pets by the Numbers Pet ownership survey data and The HSUS's estimates on pets adopted from or euthanized in U.S. shelters in 2012 and 2013". Humane Society.org. 30 January 2014. Retrieved 5 January 2015.
^ Issue Analysis: The Value of Responsible Dog Breeders (Adobe PDF), American Kennel Club, March 2012
Which is Right For You: Pure or Mixed Breed?, Humane Society of the US
"ASPCA Launches National Relocation Program for Shelter Animals". Prweb.com. 2011-05-12. Archived from the original on March 5, 2016. Retrieved 2012-10-16.
The AKC: Worst in Show; Why won't the American Kennel Club protect dogs from the filth and neglect of puppy mills?, Humane Society of the United States, February 6, 2015
"Puppy Mills: The Humane Society of the United States". Humanesociety.org. Retrieved 2012-10-16.
^ CFA's Legislative Group, Cat Fanciers' Association

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