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As your dog matures, his body functions change. He might have decreased immune-system function, deterioration of skin and coat quality, and more frequent intestinal problems. So it makes sense that what a mature dog eats might also need to change.
Throughout a dog's life, a process called peroxidation occurs. This is a normal process the body uses to destroy cells that outlive their usefulness and to kill germs and parasites, but this process also can destroy or damage healthy cells. As a dog ages, the damage caused by peroxidation accumulates and, in turn, increases the risk of certain problems such as infections.
Antioxidants are naturally occurring components in the body (but also can be acquired through diet). They help maintain overall health by neutralizing the peroxidation process of cellular molecules.
Research sponsored by IAMS™ found that dogs fed a diet rich in antioxidants such as vitamin E had improved immune responses and vaccine recognition. This might be especially important for mature/senior dogs, because IAMS research has found that, as dogs age, immune responses can decrease.
Eating a complete and balanced diet with omega-3 fatty acids, such as those found in vitamin-rich fish oils, also helps rejuvenate dry skin and develop a healthy, lustrous coat.
Aging dogs might have higher numbers of unfavorable bacteria and lower numbers of beneficial bacteria in their intestines, which can result in clinical signs of gastrointestinal problems (such as diarrhea). A diet with a moderately fermentable fiber source such as beet pulp can help maintain intestinal health. Beet pulp provides energy for the cells lining the intestine and promotes proper stool formation.
Different dogs show signs of aging at different times, and much of this variation is associated with size. Larger dogs generally appear mature/senior sooner than smaller dogs. The table below can show you when your dog should start a mature diet with a food such as IAMS ProActive Health™ Mature Adult.
Dog Weight and Transition to Mature/Senior Foods
| Weight Range | Age to Begin Transition |
|---|---|
| More than 90 lbs | 5 years |
| 51 to 90 lbs | 6 years |
| 21 to 50 lbs | 7 years |
| Up to 20 lbs | 7 years |
Since we cannot directly communicate with our dogs, there are certain behaviours and actions that immediately concern us. One of these behaviours is a dog shaking. No, not the fun way they shake off water starting from their nose all the way to the end of their tail. We’re talking about that full-body trembling you’ve likely seen your pooch do from time to time. Why do they do it? And is it something you should be worried about?
A majority of dog owners in an IAMS™ survey* (64%) think the reason behind a dog shivering is that they are cold. Other top responses were because the dogs are scared (57%) or anxious (54%). High-fives all around because it turns out there are a number of reasons why dogs shake, and all those are possible correct answers. Here are some probable reasons behind a dog trembling:
Just like their owners, dogs will often shiver when cold. Dr. Tammie King, Applied Behaviour Technical Leader at Waltham Petcare Science Institute, says: “Dogs shiver in response to falling temperatures. Dogs with short or no hair are especially susceptible. You should get them warm, put coats on them or bring them inside.”
“Shaking is a response to epinephrine or adrenaline secretion — a sign of anxiety where the dog is on high alert,” says James Serpell, B.S., Ph.D., Professor of Humane Ethics & Animal Welfare at the University of Pennsylvania School of Veterinary Medicine. You may notice this when you’re at the vet or there’s a situation where they feel threatened. Dr. Serpell also offers a way to help in some cases: “Identify what’s triggering the behaviour. Provide them comfort. Going forward, you can gradually desensitise your pet to the thing it’s afraid of.”
Seizures, a serious medical condition, can be hard to differentiate from normal shaking. Dogs may shake for numerous reasons, with most being relatively harmless. However, seizures require immediate medical attention. Especially because this health issue can result in your dog’s muscles seizing up, causing a loss of mobility and awareness of its surroundings. Hence, if you notice violent shaking in your dog, rush to an emergency room as quickly as possible.
This is probably the most comforting answer to every dog owner’s concern. Apart from being a response to anxiety or stress, a dog’s trembling can also be a result of excitement. This trembling or shaking is not a matter of concern and will stop once the animal calms down.
Trembling can also be a sign of serious issues like injury, poisoning, or kidney disease. Dr. Jo Gale, BVetMed CertLAS MRCVS, Senior Manager, Global Science Advocacy at Waltham Petcare Science Institute urges pet owners to be vigilant: “If a pet is unwell in another way, they could be trembling.” If their shaking is accompanied by symptoms like diarrhoea, limping, or vomiting, you should consult your vet straight away.
Shaker syndrome has been observed in white dogs of smaller-sized breeds. It causes shivering in a dog’s entire body. The precise cause of this syndrome is not yet known; however, your vet will be able to prescribe medications upon close examination.
Old age is also a pretty common cause of shaking and shivering in dogs. This is because age reduces tolerance to even a slight amount of cold. Besides that, shaking can also be a result of other old-age-related issues like joint pains or weakening of limbs.
As mentioned earlier, you should immediately consult a vet if, along with shaking, your dog is also experiencing vomiting, limping, or diarrhoea. Even though shaking is a common symptom of old age-related issues, you must take your dog to the vet. If they are suffering from joint pain, early treatment is necessary. It is also advisable to visit a vet if your dog’s shaking or shivering hasn’t stopped even after a few minutes.
Now that you know why dogs shake, ensure that you pay close attention to your furry friend’s well-being. Though most of these reasons pose no threat to its health, some can be concerning. Additionally, look for other symptoms like diarrhoea, vomiting, fever, and blank stares as they can help you gauge the seriousness of the situation.
If you're looking for the perfect dog for you, try our Dog Breed Selector today and enjoy a lifetime of tail-wagging joy.
