HEALTH & CARE

How Much Should I Feed My Dog: Fact vs. Fiction

How Much Should I Feed My Dog
Wyatt Robinson
Written by Wyatt Robinson

Pet parents often find themselves wondering if Rover is getting too much (or too little) to eat. After all, the feeding instructions on your dog’s food label are just a ballpark figure; a dog’s breed, size, and activity level all must be taken into consideration when determining how much to feed your furry friend. Portion sizes can vary drastically for a pup that is a couch potato compared to a hunting dog, and if you have a Pomeranian instead of a Saint Bernard, then that must certainly be taken into account.

So if you find yourself asking the common question, “how much should I feed my dog,” read on to discover the importance of determining an accurate portion size instead of simply guessing.

First step: visit your vet

Whether you are adopting an 8-week-old puppy or a senior dog, a trip to the veterinarian should be the first stop on your list. Your vet will weigh your dog and be able to tell you if he is underweight, overweight, or if he is at an ideal weight. Most veterinarians will not only consider the dog’s breed when making this determination, but also complete a physical exam. Dogs are at an ideal weight when they have a distinct waistline that is narrower than the rib cage.

Your vet will also feel your dog’s ribs—underweight dogs typically have highly visible rib cages that poke out, while overweight and obese dogs’ ribs can’t be felt at all. Your dog should fall somewhere in the middle. Most importantly, your veterinarian will rule out any medical problems that may be contributing to your dog’s weight problem. Chronic illnesses like hypothyroidism can lead to obesity, while parasites can cause a dog to lose weight.

Obese dog at the vet

Your vet can help you come up with a plan of action, including recommending how much your dog should eat. Regular checkups will also help Fido to stay on track, although many pet parents weigh their dogs at home in between visits to monitor their dog’s weight.

If you have trouble getting your pup to balance on the scale, try this trick: weigh yourself, then stop off the scale, pick up your pup, and step back on the scale. Then simply subtract the two numbers to find your dog’s weight. If your dog is too heavy to comfortably pick up, most vets will happily weigh your dogs free of charge.

How much to feed your dog

There is a scientific method dog nutritionists use to specify a dog’s caloric needs based on the dog’s weight, activity level, and stage of life. The formula was invented because the caloric needs of a pregnant Chihuahua, an unneutered male sled dog, and a spayed Labrador Retriever with a normal activity level will look drastically different from one another. To use the method, you first need to figure out your dog’s weight in kilograms, so divide his weight (in pounds) by 2.2 to get the number.

However, it is important to note that you want to use his ideal weight if his current weight is unacceptable, otherwise, you will simply be maintaining his current weight.

Dog body condition infographic

Next, you want to determine his resting energy requirement (RER for short):

RER= (weight in kg x 30) + 70

Now, plug in your dog’s RER into the table below based on your dog’s activity level and stage of life:

The resulting number, or your dogs Daily Energy Requirement, is given in kilocalories, which is the typical measurement on most dog food labels.

In short, if your dog is consuming more kilocalories per day than his Daily Energy Requirement, he is probably overeating. If he is consuming less, than you probably need to increase his daily food intake. If the above numbers seem overwhelming to you, there is a different option:

Trial and error

Probably the most popular method of determining how much to feed your dog is by trial and error. First, it is important to determine if your dog needs to gain weight, lose weight, or stay where he is. Be sure you have a recent weigh in, and perhaps an opinion of a third party (after all, most pet parents are in denial about their fur kids being heavy). Next, make an educated guess based on the food label instructions on a serving size (but if in doubt, try feeding a little less than the recommended amount if your dog falls in between two ranges).

Remember to always use a measuring cup and not a food scooper or other unmarked container.

If you like the idea of trial and error but also want some solid statistics on your side, check out “dog food calculators” online that will allow you to input your dog’s weight, activity level, and age, and you will be given a recommended daily caloric intake that your dog requires.

Over the next couple of weeks, monitor your dog’s weight and see if adjustments need to be made. If your dog is overweight and needs to shed some pounds, make sure he is not losing more than 2% of his body weight per week. Conversely, if your dog is gaining weight, he should gain weight at a healthy track.

The overweight dog

Nearly one out of three dogs in the U.S. is overweight, and it is probably not surprising that overweight dogs belong to overweight owners. Dogs that are obese live significantly shorter lives than their healthy counterparts, and of course (just like people), dogs are happier when they are slim and active instead of heavy and lazy.

Overweight dog

In addition to making sure your dog’s feeding amounts are correct, the other way to ensure your dog’s weight stays in check is to control the amount of treats you give and limit table scraps. It is also essential to exercise your dog daily. The good news is that exercise for your pup doesn’t necessarily mean exercise for the owner; if your dog loves swimming, take him to a dog-friendly lake, and if he gets along well with other dogs, take a visit to your local dog park where he can run to his heart’s content.

If you’d like to learn more about ho to help your pudgy pooch, take a look at this article on signs and solutions for overweight dogs.

The underweight dog

While certainly not an epidemic like obesity is for our canines, be sure that a licensed veterinarian examines your underweight dog. Dogs may refuse food when they are ill, have dental problems, or are suffering from chronic diseases like parasites. Dogs that are rescued from neglectful circumstances, or puppies taken from puppy mills are often underweight, so be sure (with the approval of your vet) that you offer a high quality food to him at all times (also known as free feeding) until a desired weight is reached.

If you’re experiencing issues of your dog losing weight, consider this article discussing why your dog won’t eat.

Free feeding vs set meal times

Whenever you bring your dog home, you need to decide on a feeding schedule. While some dog owners choose to leave a large bowl of food out all day for their dog to simply eat whenever they choose, most veterinarians and professional dog trainers agree that having a set time for morning and evening meals is a healthier option—both from a behavioral standpoint and also a physical one.

Behaviorally, dogs are prone to recognize their owner as the leader of the pack when you are the own who provides (and subsequently removes) their food bowl on a daily basis. Physically, dogs that have set meal times are easier to potty train because they typically need to eliminate shortly after eating.

Conversely, dogs that have the option to free feed tend to overeat. Some dogs want to satisfy their natural urge to “forage” during the day and will continually eat out of their food bowl even though they are not truly hungry. A great alternative for your dog can be to leave a puzzle-style toy with him during the day that will keep his mind (and paws) occupied.

Big amount of food

While some owners find their dogs are satisfied are satisfied only eating one meal a day, most pet parents find their dogs are happier and healthier with two set meals: morning and evening. Keep in mind that if you do follow the portion size listed on your dog’s food label, the amount listed is for the day (not per feeding), so be sure to divide the number in half.

Other considerations

There are many factors to take into consideration when it comes to figuring out how much to feed your dog:

  • Quality of food. 
    Many pet nutritionists agree that the quality of your dog’s food matters much more than the amount of food you are giving him. Like humans, dogs that eat junk food are probably not very healthy, even if the scale says he is at an ideal weight. Make a goal to purchase the highest quality food you can afford; and be aware of popular brands: often, the most popular brands are the ones loaded with corn, animal byproducts, and artificial preservatives and flavors.
    Nutritionally dense foods will lead to your dog not producing as much solid waste, so if you notice your dog seems to eliminate most everything he is eating, you can probably assume that he is eating a low quality diet that is being passed through his system since his body is not absorbing the nutritionally-worthless ingredients. In order to ensure Fido is only getting the best, check out this article that compares the top dog food brands in the market.
  • Snacks. 
    Dog owners all love to their pup a snack, but owners who give handfuls of treats at a time are probably causing more harm that good. Giving too many treats is a leading cause of obesity in dogs, because owners typically do not adjust their pup’s feeding accordingly. Make it a point to limit the number of treats you give your dog in a day (five is an acceptable amount), and if bones are other large treats are given, offer your dog a little less food than usual for dinner that night to balance out his calories for the day.
  • Special exceptions: puppies, pregnant dogs, & lactating mothers. 
    Young dogs (under six months of age), pregnant females, and nursing mothers all require extra calories, and it is essential that they all be given quality food to make up for the extra calories they are burning. Consult with your veterinarian to be sure that your dog is receiving adequate nutrition. Naturally, dogs that fall into these categories should never be losing weight.
  • Dog food companies. 
    It should go without saying that the faster dog owners empty the bag of food, the sooner another bag will need to be purchased. For this reason, keep in mind that dog food companies often do not have your dog’s best interest at heart, and therefore the recommended amounts listed on the label often skew in favor of the company’s bottom line, and not your dog’s waist line.
    Research brands that list meat as the first ingredient, and remember that dogs must eat more of a low-quality food since their bodies are not absorbing adequate nutrition. While high quality food may be more expensive, you will likely feed your dog less, not to mention the money you will save on vet visits from having a healthier dog overall.

The bottom line

As pet parents, it is our responsibility to ensure that our dogs maintain a healthy weight, and the biggest factor of obesity in dogs is overfeeding. We owe it to our dogs to give them long and healthy lives, and other than the love and attention we give them, the quality and quantity of food we give them ranks high on list in terms of quality of life for your dog.

So while it may easier to guess how much you should be feeding Fido, and certainly cheaper to buy him the bargain brand at a large chain store, we owe it to our companions to make the right decisions for them. Many pet owners give their dogs too much food or too many treats because they are under the impression that giving food is the best way to show their dog love. On the contrary, scientific studies have proven that the majority of dogs prefer praise and physical affection from their owner over food any day of the week.

About the author
Wyatt Robinson
Wyatt Robinson

Wyatt Robinson had a great 25-years career as a veterinarian in United Kingdom. He used to be a member of British Veterinary Association and worked in 3 pet hospitals in London and Manchester. He is shining when he sees his pets healthy and full of energy and it is his duty to help other dog owners to keep their best friends full of life.

  • Timmy

    Very useful article. However, 15 years ago I owned an erdel-terrier, at that moment I was young and had no expirience of feeding dogs so I gave to my little friend porridge with chicken or pork, sometimes I added some fish. And of course, from time to time I fed him from my table and there was no problem! But in the same time my neighbour, who owned the very smart setter run to vet almost every week for vitamins, nutritions, etc. Because setter got some problems with skin, fur and teeth every year. I just don’t know.. Maybe it depends on dog itself…

    • Yes, each dog is different. Usually there are certain health problems associated with certain breeds, but this doesn’t mean all the individuals associated with the breed will sustain the same problems.

  • Emily Parks

    My vet advised me to feed my dog more healthy options and choose dog food that are excellent in nutrition. Yes, there are many cheap brands available but am not going to feed a member of my family any junk! I also feed my little fella 2-3 slices of apples NO seeds (toxic) for some treats. I stay away from human biscuits and chips for him.

    • Wyatt Robinson

      Overfeeding is a very easy thing to happen between dogs and pet parents. As most treats and dog food, not to mention the puppy eyes that our dogs do and how easily we fall for it, are just some of the few reasons why we overfeed. The main importance of feeding the proper serving to ensure nourishment is achieved without bulking up on unnecessary fat that accumulate in our dog’s body.

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