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Diet plays an important role in the endurance potential of canine athletes. The Alaskan sled dog might be considered the ultimate canine athlete, sometimes pulling a sled more than 1,000 miles in subzero temperatures. Providing a well-balanced diet is essential to meet the special needs of dogs in such nutritional-stress situations. Not only should the diet fed to these dogs be high in protein, but it also should be high in fat, which serves as the major energy source for exercising muscles.
A high-fat diet can help muscles burn fat more efficiently. During sustained exercise, fatty-acid oxidation is the primary source of energy for the muscles. Increasing the efficiency of fat metabolism spares the body’s use of carbohydrates, and because most dogs have in excess of 10 to 50 times more energy stored in fat than in muscle glycogen (carbohydrate), this might boost the animal's exercise performance.
IAMS™ studies1 have shown that in trained sled dogs as in ordinary dogs, exercise performance was enhanced by switching from a low-fat to a high-fat diet (from 25 to 65% of calories from fat), as indicated by increased:
When dogs were switched back to a low-fat diet, all of these criteria decreased to their previous values.
These results indicated that by increasing the availability of fat stores and capacity to metabolize fat for energy, a high-fat diet promotes exercise endurance in canine athletes.
1 Reynolds AJ, et al. “The effect of diet on sled dog performance, oxidative capacity, skeletal muscle microstructure, and muscle glycogen metabolism.” Recent Advances in Canine and Feline Nutritional Research: Proceedings of the 1996 IAMS International Nutrition Symposium. Carey DP, Norton SA, Bolser SM, eds. Wilmington, OH. 1996. 181–198.
By now we all know obesity is unhealthy—for both people and pets. But do you know just how many health problems it can cause for your dog? Diabetes, bone and joint damage, decreased liver function, heart disease, increased blood pressure, and a heightened risk of cancer are just a few of the serious health issues caused by obesity. That’s a scary list. Protect your pooch by taking a proactive approach to keeping the pounds off. Here are some ways to do it.
Dogs do better with a controlled amount of food on a schedule. While some dogs can handle eating from an always-full and ever-present dog bowl, most will overeat if food is always available.
There are lots of dog foods out there, all offering something different. When it comes to keeping obesity in check, IAMS™ ProActive Health™ Adult Weight Control and IAMS Healthy Naturals™ Weight Management with Chicken formulas are great choices.
Your dog’s your pal, so it’s difficult not to share your tasty bacon or a bite of steak with him when he gives you those big, pleading eyes. But trust us—it’s worth it to resist. Feeding Fido “people food” ups his food and fat intake significantly. Plus, it creates bad habits: A dog that’s not fed from the table won’t learn to beg.
Obviously, a great way to keep your dog trim and fit is with some good exercise sessions. When you don’t have a lot of time, do short sessions of fetch or tug-of-war. Take it to the next level by jogging with your dog, tossing the Frisbee®, or starting agility training. And here’s a bonus: A dog that gets enough exercise is less likely to act out.
Of course you want to reward your dog when he’s good—but don’t forget that those treats can add up. Pay attention to the calorie and fat content of the treats you give. More importantly, take note of how many goodies you’re doling out—and how often.
Most of the time, a dog is overweight because he’s taking in more calories than he’s burning. But it is possible that there is a larger problem at work. If you’ve tried maintaining your dog’s diet and increasing exercise and still aren’t seeing results, talk to your veterinarian about a possible thyroid or other metabolic disorder.
Don’t get discouraged if you slip up every once in a while or don’t see results right away. Battling obesity is done day to day—it’s about forming good habits and being disciplined. By following the tips above and showing a little dedication, you’ll be on your way to having a healthier, happier dog.
