Vet's advice

Is Fat Bad for Dogs? Good Fats, Fats to Avoid and Excess Weight

"Can I give my dog the fat from meat?" is one of the questions owners ask most often. The answer isn't a flat yes or no: fats are needed, very much so, but what makes the difference is quality, quantity and the dog's condition. We talked it through with a vet to understand which fats are good, which are best avoided and how to manage the diet of an overweight dog.

For years fat has been painted as enemy number one, in dog nutrition too. The reality is more nuanced: fat is a fundamental nutrient, but not all fats are equal and none is good in excess. Understanding the difference is the first step to feeding your dog well and, when needed, bringing it back to a healthy weight without making it go hungry.

Dogs need fat: what it really does

Fat isn't just "calories". It's the most concentrated energy source in the diet — for the same weight it provides more than double the energy of protein and carbohydrates — and it's indispensable for many functions: it carries the fat-soluble vitamins (A, D, E, K), provides the essential fatty acids the dog can't make on its own, keeps skin and coat healthy and makes food palatable.

A dog that gets too little fat can, paradoxically, end up with a dull coat, dry, flaky skin and low energy. The problem, then, isn't fat in itself: it's the type of fat and the quantity. A balanced diet doesn't eliminate fats, but doses them and chooses the right sources.

"Good" fats and fats to avoid

The most useful distinction is between fats that provide valuable fatty acids and fats that bring mainly empty calories or a digestive overload.

Among the good fats are above all the omega-3 fatty acids (found in oily fish, fish oil and salmon oil) and, in balance with these, the omega-6s. Omega-3s have a well-known anti-inflammatory action, support the joints, skin and coat, and benefit the heart and brain. The lean fat naturally present in good meat also counts among the useful fats, because it accompanies the protein and is easily used by the body.

Among the fats to avoid or limit, on the other hand, are the abundant visible fat on meat (the white part we trim off a steak), pork fat, cured meats, fried foods and all the very greasy foods from our table. They're not "poisonous" substances in the strict sense, but very saturated fats in excessive amounts: a morsel that's too fatty, especially if fried, can cause vomiting, diarrhoea and, in the worst cases, pancreatitis — an acute inflammation of the pancreas that's a genuine veterinary emergency. That's why "can dogs eat meat fat" has an honest answer: a small amount of lean fat yes, the fatty leftovers from the table no.

Sunflower, seed and olive oil: which and how much

Many owners add a teaspoon of oil to the bowl to "shine" the coat. It can make sense, but only if you choose the right oil and don't overdo the amounts, because oil is 100% fat and pushes the calories up quickly.

Fish oil (salmon) is the most interesting because it's rich in omega-3. Flaxseed oil also provides omega-3, though in a form the dog converts less efficiently. Extra-virgin olive oil is well tolerated and can be used in very small amounts. Sunflower oil and other seed oils are rich in omega-6: they're not harmful, but used in excess they tip the omega-3/omega-6 ratio in favour of the latter, with the opposite effect to the one intended. The same goes for sunflower seeds, which, whole, also risk going undigested.

In every case we're talking about minimal doses — from half a teaspoon for small dogs up to about a teaspoon for large dogs — and it's always best to check with the vet first. A food that's already complete and balanced normally contains the right fats in the right proportions: adding oil is almost never necessary, and in an overweight dog it can even be counterproductive.

When fat becomes a problem: the overweight dog

The critical point isn't the single gram of fat, but the overall balance between what the dog eats and what it burns. When the calories coming in steadily exceed those going out, fat accumulates and the dog becomes overweight, right up to outright obesity. It's an enormously widespread problem: it's estimated that a large share of the dogs arriving at the clinic carry a few extra kilos, often without the owner really being aware of it.

How can you tell if a dog is overweight? More than the scale, the eye and the touch matter. In a dog in good shape the ribs aren't visible but can be felt by running a hand over the rib cage, the waist is visible from above and the belly tucks up towards the hind legs when seen from the side. When the ribs disappear under a layer of fat and the waist vanishes, it's time to act. "Very fat" dogs aren't born that way: you get there one morsel at a time.

The risks of excess weight: joints, heart, diabetes

Being overweight isn't a cosmetic problem: it's a health risk factor, exactly as in people. Every extra kilo weighs on the joints, accelerates the wear of the cartilage and worsens conditions such as arthritis or knee problems, sometimes so serious that surgery is required. The heart works harder, breathing becomes more laboured, tolerance to heat and exertion drops.

Then there's the metabolic chapter: excess weight is closely linked to diabetes mellitus and other metabolic disorders, as well as complicating anaesthesia and surgery. Several studies indicate that a dog kept at a healthy weight lives longer and better than an overweight dog. It's one of the reasons why, among the five most common dog feeding mistakes, "giving too much food" is the one the vet sees most frequently.

How to manage an overweight dog's diet

The good news is that excess weight, caught in time, is almost always reversible. No drastic diets or fasting are needed: method is needed. Here are the underlying principles.

Aim for quality, not just quantity. Cutting the portions of a poor-quality food means removing useful nutrients along with the calories. Better to start from a good-quality food, with adequate protein and the right fats, so as to reduce the calorie intake while keeping the dog full and nourished.

Weigh the portions and count the snacks. Going "by eye" is the number-one cause of excess weight. Rations should be measured, and treats — biscuits, morsels, scraps — should be counted in the daily calorie total: that's often where the hidden calories are that undo every effort. To work out how much food your dog really needs, our guide on how much a dog should eat can help.

Calibrate to the ideal weight and activity. The ration of a dog on a diet is calculated on the weight it should have, not its current one, taking age, size and movement into account. Gradually increasing physical activity — longer walks, play, regular movement — completes the work done in the bowl.

Go in stages and monitor. Weight loss must be slow and steady: weighing the dog every two or three weeks lets you correct course without stressing it. In cases of significant excess weight or pre-existing conditions, the path should always be agreed with the vet.

The Pappa Fresh recipes are created with this philosophy: a single quality protein, good fats in the right proportions, no preservatives or superfluous ingredients. A clean base that makes it simpler to keep calories under control without giving up taste, even when the dog needs to lose a few kilos.

Calculate the right portion for your dog

The simplest way to stop guessing by eye is to start from the numbers. With our calculator you enter your dog's weight, age, size and activity level and in a few seconds you get the tailored portion, designed to keep it in shape or help it get back there. It's free and takes less than a minute.

In short

Fat isn't bad for dogs: it's an essential nutrient that provides energy, supports skin, coat and joints and carries fundamental vitamins. What makes the difference is quality and quantity. Good fats — above all the omega-3s in fish, in balance with the omega-6s — should be favoured; abundant meat fat, cured meats, fried foods and greasy table scraps should be avoided. Oils can help, but in minimal doses and choosing the right ones. The real risk isn't fat, but the excess calories that lead to being overweight, with its consequences for the joints, heart and metabolism. Managing an overweight dog takes just method and consistency: quality food, weighed portions, counted snacks, regular activity and periodic weight checks. You'll find more answers in our frequently asked questions.

Dott. Bellei

Veterinary surgeon, medical director of the Clinica ARS Veterinaria di Modena. He works every day on canine nutrition, prevention and wellbeing, with a particular focus on food intolerances and weight management.

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