Life tables of annual life expectancy and mortality for companion dogs in the United Kingdom

Teng, Kendy Tzu-Yun; Brodbelt, Dave C.; Pegram, Camilla; Church, David; O’Neill, Dan G.

doi:10.1038/s41598-022-10341-6

Cited by 56 publications

(58 citation statements)

References 59 publications

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“…One of the reasons was the extended lifespan of pet animals [ 4 ] due to the progression of veterinary medicine such as breeding techniques, environmental hygiene, and spread of vaccines. The result on the age of death obtained in the present necropsy study was comparable to those in some reports published in Japan [ 1 , 2 , 3 , 4 , 5 , 6 , 7 ] and in some other countries [ 9 , 11 ], which were calculated using data from an insurance company [ 1 ], a pet food association [ 7 ], animal cemeteries [ 2 , 3 , 4 , 5 ], or veterinary hospitals [ 6 ].…”

Section: Discussionsupporting

confidence: 88%

“…The results indicated the longer lifespan in dogs in Japan than that in the UK. However, studies [ 1 , 7 , 11 ] on the longevity of dogs and cats in Japan and UK including abovementioned reports [ 4 , 5 , 6 , 9 ], analyzed only records obtained since 1990. To our knowledge, there is only 2 epidemiological studies on the expectation of life for dogs [ 2 ] and cats [ 3 ] in Japan before 1990, in which the authors revealed the expectation of life of the dog at age 1 was 8.6 years [ 2 ], and that of the cat was 5.0 years [ 3 ], respectively.…”

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confidence: 99%

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Chronological transition of necropsy cases of animals in Tokyo, Japan

Nakayama

Shiga

Uchida

et al. 2023

The Journal of Veterinary Medical Science

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Reiwa period), respectively, were examined for species, breed, age and pathological diagnosis. Dogs (44.6%) and horses (34.8%) in the Meiji-Taisho period, dogs (62.9%) and cats (17.3%) in the Showa period, and dogs (46.0%), cats (26.1%) and exotic animals (20.5%) in the Heisei-Reiwa period were the most necropsied animal species.With the passage of time, the number of animal species increased, and the breeds of dogs and cats came to be more various. The median ages of death were 2 years, 3 years and 10 years old in dogs in the Meiji-Taisho, Showa and Heisei-Reiwa periods, respectively, and 2 years and 10 years old in cats in the Showa and Heisei-Reiwa periods, respectively. Viral, bacterial and parasitic infections were decreased, and inversely tumor cases increased due to the prolonged lifespan.

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Section: Discussionsupporting

confidence: 88%

mentioning

confidence: 99%

Chronological transition of necropsy cases of animals in Tokyo, Japan

Nakayama

Shiga

Uchida

et al. 2023

The Journal of Veterinary Medical Science

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“…In Google trends, worldwide search interest in this breed since 2004 shows a steady increase starting in approximately 2010 from ~30 and reaching a peak (100) in May 2020. However, the expected lifespan of this breed is only 4.5 years (128). Seven out of ten French bulldogs under veterinary care have at least one disorder recorded, most often skin problems (18%; (129)).…”

Section: Keeping Dogs As Family Members Affects Not Only On Humans: B...mentioning

confidence: 99%

“…Seven out of ten French bulldogs under veterinary care have at least one disorder recorded, most often skin problems (18%; (129)). Brachycephalic breeds (French bulldog, American bulldog, Chihuahua, English bulldog, pug) has a probability of death before year 2, much higher than the overall dogs (128). The pug breed is also an excellent example of exaggerated infantile morphological traits with detrimental effects on health and life quality.…”

Section: Keeping Dogs As Family Members Affects Not Only On Humans: B...mentioning

confidence: 99%

Paws, Trends, and Family Bonds: The Dog Keeping Cultural Runaway Theory

Kubinyi¹

2023

Preprint

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The number of pet dogs is increasing in many post-industrialised countries, while human fertility is permanently low and individuals have few relatives to rely on or to care for. Most dog owners say their dog is a “family member” or even a “furbaby”. The present review offers a novel theoretical outline to understand why people refer to their dogs as kin. Kinship offers “unconditional love” and the feeling of “being needed” for humans, traits that are now attributed to and highly valued in dogs. The dog keeping runaway theory assumes that due to demographic transition, the uniquely strong, innate preference for social proximity and nurturing infants “ran away” and shifted to pets in the lack of available kin. Western culture reinforces pet dog keeping, and there are no other, e.g., economic constraints, to stop the runaway process. As a result, both humans and dogs might pay a high price. For example, caring for and cuddling pets might decrease the biological fitness of owners by reducing the desire to have children, and it is yet unclear whether owners, in general, gain any mental or physical health advantages compared to non-owners. At the same time, in the case of dogs, artificial selection for infant-like traits such as brachycephalism and caring for a dog as a “surrogate child” can be associated with severe health and behaviour problems. The review also raises the question of whether dogs facilitate or worsen humans’ network complexity, how cultures differ in pet keeping practices, why women are more closely associated with dogs than men, and what other species or artificial agents can be ideal pets.

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“…Age was assessed based on dentition ("How to determine a cat's or dog's age," 1996), and cats were grouped accordingly into four categories: kittens (up to 1 year), young adults (2-6 years), mature adults (7-10 years) and senior (more than 10 years) (Quimby et al 2021). For dogs, we considered a mean life expectancy of 11 years (Teng et al 2022), and they were accordingly grouped as puppies (up to 9 months), young adults (from 9 months to 3 years), mature adults (from 4 to 8 years) and senior (more than 8 years) (Creevy et al 2019). Similarly, three weight categories (small., medium and big) were considered: < 10 kg, 10-20 kg and > 20 kg for dogs and ≤ 3 kg, 3-4.5 kg and > 4.5 kg for cats.…”

Section: Study Population and Experimental Designmentioning

confidence: 99%

Clinical, diagnostic and epidemiological implications of Hepatozoon spp., Babesia spp. and Leishmania infantum infection in cats and dogs in a Mediterranean periurban setting

Ortuño

Bernal²,

Nachum‐Biala

et al. 2022

Parasitol Res

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Hepatozoon spp., Babesia spp. and Leishmania infantum are common parasites of dogs in Mediterranean countries and are less frequent in cats, particularly Babesia spp. and L. infantum. Moreover, there is limited information on coinfections between these parasites and on L. infantum’s distribution in blood, skin and lymphoid tissue in cats. We used PCR and DNA sequencing to investigate the prevalence of these parasites and the aetiology of Hepatozoon spp. and Babesia spp., in blood, skin, spleen and lymph node samples from up to 212 stray cats and 82 abandoned dogs in southeast Spain. All except 2 dogs were healthy; instead, 112 cats had clinical signs. The estimated PCR prevalences (95% confidence interval) were 25% (19–31%) Hepatozoon felis in cats, 13% (6–21%) Hepatozoon canis in dogs, 1% (0–4%) Babesia vogeli in dogs, 0% Babesia spp. in cats and 21% (15–26%) and 44% (33–55%) L. infantum in cats and dogs, respectively, and infections were not associated with each other. Leishmania infantum prevalence in lymphoid tissue was significantly higher in dogs than in cats (p < 0.001), and dogs had higher parasite loads than cats (p = 0.012). Moreover, L. infantum prevalence was significantly higher in the skin and lymphoid tissue compared to blood in infected, asymptomatic animals but it was similar in cats with clinical signs, which also had higher parasite loads compared to infected, asymptomatic cats (p < 0.05). The study highlights significant differences between sympatric dogs and cats with respect to the parasite infections investigated, as well as the need to examine both lymphoid tissue and skin samples to maximise the sensitivity of L. infantum infection diagnosis.

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Life tables of annual life expectancy and mortality for companion dogs in the United Kingdom

Cited by 56 publications

References 59 publications

Chronological transition of necropsy cases of animals in Tokyo, Japan

Chronological transition of necropsy cases of animals in Tokyo, Japan

Paws, Trends, and Family Bonds: The Dog Keeping Cultural Runaway Theory

Clinical, diagnostic and epidemiological implications of Hepatozoon spp., Babesia spp. and Leishmania infantum infection in cats and dogs in a Mediterranean periurban setting

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