Why do dogs live shorter than humans?

Dog with owners

Unfortunately, for their owners, dogs tend to live a shorter life than humans do. On average they live for about 9 to 12 years, depending on the dog breed and size of the dog. Have you always wondered what the reason is for dogs living a shorter live than humans? Or have you questioned yourself on what influences the life expectancy of your dog? Then please read along. Below you will find the answers to your questions! 

 

Biological explanation: metabolic rates and acceleration 

In general, metabolic rates help explain why certain animals live for a longer period of time, versus others. According to these metabolic rates, a large animal will live longer than a small one. This has to do with the fact that larger animals tend to have a lower heart rate and therefore do not take away as much energy from the heart than smaller animals. By being more careful with the heart, larger animals can thus live longer, compared to smaller animals.

However, this is not the case for dogs. Smaller sized dogs tend to live longer than larger dogs. There is no clear explanation as to why this is happening, although some researchers believe that the process of metabolic rates might be reversed for dogs. They argue that larger dogs grow at an even faster pace than smaller dogs, which is why their organs tend to be more active. In turn, this can lead to those organs to cease faster too.  

This accelerated pace in which dogs grow also makes them less likely to live a longer life. As dogs need to develop their bodies and their organs quicker, it can take a lot of toll from their bodies to do so. This in turn makes it more likely that their organs will stop working within fewer years. Also, dogs grow up way faster than humans do. For example, most dogs tend to be considered grown up from their second birthday. Whereas humans are only considered as an adult from the age of 21. This type of acceleration can also make dogs more vulnerable to living a shorter life than humans do. 

Dog playing

How to have your dog in your life as long as possible

We can image that you want to have your dog in your life as long as possible. So here are a few things you might want to take into consideration to make the best of your dog’s life. 

One of the primary ways in which you, as an owner, can influence the life of your dog, is by providing them with enough care. This means that you should provide your dog with food suited to their body(type) or diet, giving them enough time to exercise and providing them with proper checkups by a vet. In doing so, your dog will be least likely to develop issues with his or her organs, body or joints.  

Genetics can also play a large role in the lifespan of a dog. If a dog has specific genetical issues, which might make him or her more likely to develop particular diseases or issues, this can impact the life of your dog. This is why we recommend to ask about information about both the mom and the dad of your puppy, once you are interested in buying the dog. Visiting the vet regularly can also allow you to find issues or possible illnesses quickly. 

Something that might not feel as comfortable for your dog, but what might help with extending their lives, is neutering or spaying the dog. By removing the private parts or reproductive organs of a dog, can prevent them from developing infections or illnesses in that area. Specifically older dogs, or dogs that have been used to breed can be vulnerable to these types of diseases. 

Watching a dog’s teeth closely can also help with extending the life of your dog. Through infections of teeth, dangerous bacteria can spread throughout the body of a dog. This may in turn lead to problems with the heart, kidney or even liver. These can cause a dog to become very sick, if not treated properly. 

The environment in which a dog grows up is also important. Living in a place with lots of stress and anxiety can take away years of the life of a dog. Rather, by providing your dog with a loving and comfortable home, they can enjoy their life in peace. Also, dogs that are used for work purposes, like guide dogs or sheepdogs, tend to live less long lives. The primary reason for this is that they tend to work long hours a day, which makes their organs work hard for long periods of time. In turn, this may make their organs more likely to shut down. If you do use your dog for work purposes, try to give them enough rest in between work sessions. This way they can relax and recover from all the hard work that they have been doing. 

Lastly, it is also important to look at how your dog is or will be bred. Purebred and cross-bred dogs tend to live the longest lives. Some dogs are bred through inbreeding. This means that a dog is bred with either brothers and sisters or with another breed that comes genetically close to your dog. This may cause a dog to become more vulnerable to genetic issues and diseases. 

Dog cuddling

Make your dog live its happiest life, even though it is shorter than yours  

Dogs live shorter lives than humans do, due to their metabolic rates and accelerated pace in which their organs and bodies grow. This can take a lot from a dog’s body, making them to live a shorter life. However, there are various ways through which you can make sure that your dog will live a happy and fulfilling life. Try to make sure that your dog: 

  • Is provided with its necessary care by giving him/her enough food and exercise. 
  • Has been checked on his or her genetics. This can allow you to see if they may carry genetical diseases. 
  • When you are okay with it, that you spay or neuter your dog, which prevents illnesses in their reproductive organs. 
  • Has healthy teeth which are not infected, preventing bacteria to spread throughout the body of a dog. 
  • Finds itself in a relaxing and comforting home, with less to no stress and anxiety. 
  • Is well bred, and as an owner, try to prevent buying an inbred dog.

Now you know what causes a dog to live a shorter life than a human does, and what factors you can pay attention to, to make sure your dog lives a long and happy life. We are very curious to hear how old your dog is, and what you think about dogs living a shorter life than humans. Please share your thoughts through the comments! 

 

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Onlinedogworld Team

Onlinedogworld Team

Our readers and writers have one thing in common: a passion for dogs. At Onlinedogworld we try to help dog owners (and dogs) by giving them information about dog breeds, dog training and dog behavior. Our team does their best to make Onlinedogworld the best possible place to go to for dog owners, by keep improving the website.
Onlinedogworld Team

Onlinedogworld Team

Our readers and writers have one thing in common: a passion for dogs. At Onlinedogworld we try to help dog owners (and dogs) by giving them information about dog breeds, dog training and dog behavior. Our team does their best to make Onlinedogworld the best possible place to go to for dog owners, by keep improving the website.

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