They revealed that body size determines dogs’ longevity and mental decline

(HealthDay News) – For those doghe measuring Subordinate body It doesn’t matter. This is true in terms of speed They grow up But also in his own country Psychological healthaccording to New Stady Who compares Fangs Big and small. he Mile Related age It starts at 7 or 8 years old dog Big, compared to 10 or 11 years old dog additional The little onesas they discovered Hungarian researchers.

But no dog big Back down further slowly From their counterparts Low volume. the dog big They keep them Psychological health For longer and for less Degree of decline Related age. “For those who want a dog As a minor measuring But they don’t want to risk getting serious Mental illness In old age, or want a dog higher measuring But they don’t want to risk it Physical health problems At 7 or 8 years old, we recommend dog in range measuring From 10 to 30 kilograms,” said the first author of the study, Burbala Turksanwhich is part of Big family dog ​​project In the ELTE Eötvös Loránd University in Budapest, Hungary.

“On our basis resultsThese dogs have… Healthy life Longer in relation to it Average life expectancy From their counterparts Smaller and bigger“It is to explain Turksan In a university press release. Based on data from 15,000 dogthe dog Giants They usually live up to 7 years of age. the dog The little ones They live to be approximately 14 years old. the dog to genuine They tend to have longer lives short that Mestizo.

the Researchers They investigated what Behavioral and mental (“cognitive”) changes begin in old age And how quickly they are progressing. They also analyzed Dog body sizethe Head shape And condition genuine Regarding this the changes Related age. And what they found is that Behavioral and cognitive aging In the dog It starts around 10 and a half years of age, but when does it start? aging How quickly it progresses depends on measuring Subordinate body. the dog Weighing more than 30 kg he had an early onset Mile Related age.

“the dog Larger Experience A My body wear At a younger age, and Accumulated diseases And the decay In the Sensory functions They lead to “aging behaviors” long before they appear. Deterioration of mental condition“, He said Turksan. the dog It weighed about 6.5 kg Rate of cognitive decline In old age, it is four times greater than dog Larger. the dog to long noseincluded Greyhoundsthey have the greatest Risk of mental deterioration In old age compared dog last Head shapes And Mestizo.

Authors Stady They pointed out that Dog owners They start thinking about them dog He’s about 6 years old, regardless measuring Or a country genuine. “the friends Consider them dog “old” four or five years earlier than would have been expected based on this Behavioral data“, He said Eniko KobeniLeader Big family dog ​​project. “This may be because Gray hair actually Barely noticeable changes“. he Stady It was recently published in the magazine Gyroscience.

more information American Kennel Club He has more information about aging in dog. fountain: Eötvus Lorand UniversityPress release, October 12, 2023.