Dog Elimination Diets: Why, What, and How? – LolaHemp
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Dog Elimination Diets: Why, What, and How?

DATE:September 26, 2019BY:Joey DiFrancesco

Why Try an Elimination Diet for Dogs?

The main reason: Food allergies and food sensitivities. When a dog eats an ingredient that provokes an allergic response, the immune system is perceiving that ingredient as an invader, thus launching an attack against it. This can have far reaching consequences, including over activating the immune system that then creates other issues. Food sensitivities or intolerances, on the other hand, don’t provoke an immune system response, but none the less have similar symptoms.

Symptoms of a food allergy or sensitivity in dogs can include:

  • * Itchy skin and/or persistent bacterial skin infections (non-seasonal)

  • * Persistent hot spots (also known as pyoderma)

  • * Recurring ear infections

  • * Hair loss

  • * Gastrointestinal symptoms such as vomiting and diarrhea

  • * Persistent licking of the feet and legs

  • * Excessive flatulence

Identify a Food Allergy or Sensitivity: Work with Your Vet

Unfortunately, many owners jump to the conclusion that itchy skin or frequent ear infections is a result of a food allergy in their dog, when in fact, it may be a sign of something else that needs veterinary care. For example, other conditions that can cause persistent problems with the skin, fur, ears, and digestive issues include a compromised immune system, environmental allergens (such as dust mites, fleas, or pollen), bacterial skin infections, and other conditions.

A recent report from the American Veterinary Medical Association reports that, in fact, environmental allergens have shown a sharp increase in our pets in recent years, up 30.7% in dogs in the last decade. It is important to take your dog to the vet for a full diagnosis rather than assuming that the issue is caused by diet. In addition, it is thought that only about 10% of allergies in dogs are the result of food. 

What is an Elimination Diet Trial for Dogs?

If your dog is showing symptoms of a food allergy or sensitivity, then a vet visit is in order. As part of the consultation, your vet may recommend specific allergy tests to try to help diagnose the allergen. However, these tests are somewhat limited since the potential list of offenders is potentially infinite, especially if you include the many potential environmental factors (including ingredients in common household cleaners, for example).

Thus, once other underlying factors have been ruled out, your vet may encourage you to try an dog food allergy elimination diet to find out if you can identify an ingredient that your dog may be reacting to. This involves setting up a diet based on reducing the ingredient your dog eats, then adding back in ingredients one at a time to identify which ingredient is the culprit.

The most common offenders for dogs, in order of prevalence, include:

  • * Beef

  • * Dairy

  • * Wheat

  • * Egg

  • * Chicken

  • * Lamb

  • * Soy

  • * Pork

  • * Rabbit

  • * Fish

Let’s look at some of the commercial foods commonly used in food elimination diets for dogs:

Grain Free Dog Food

You may have noticed a big uptick in the number of “grain-free” pet food options these days. Following some trends in human health, there are many that believe that certain grains such as corn or wheat can trigger an inflammatory response in the body.

Many pet owners have found that simply switching to grain-free food for their canine companions resolves the issues they are having within a few weeks. Because it is readily available and relatively easy to try, this is not a bad starting point. However, for many dogs, it will not be restrictive enough for a true dog elimination diet.

Limited Ingredient Dog Food

Limited ingredient diets for dogs offer much more restriction in terms of ingredients. Usually they have between 3-6 ingredients, allowing you to start a dog elimination diet while having a strict control over what your dog is consuming. However, if you use a chicken based formula, and your dog is allergic to chicken (or chicken and beef) for example, their condition is not going to improve.

Novel Protein Dog Food

If you have the budget, a novel protein food (particularly if it is also limited ingredient) is one way to avoid the most common protein allergens. If, in fact, your dog is allergic to beef, chicken, and lamb…then going with a venison or kangaroo based novel protein may show improvement and form a solid basis upon which to build your allergy elimination diet for dogs.

Hydrolyzed Protein or Hypoallergenic Dog Food 

If your vet suspects that your dog is having trouble digesting protein due to a food allergy or other condition, they may recommend you use hydrolyzed protein food for the first stage of your trial. This specially formulated food uses chemical processes to do the first round of breaking down complex proteins so they are more digestible and less likely to trigger an allergic response.

The major downside of these diets is that they are often extremely expensive. Some owners opt for other ways to try to eliminate the allergen as a result.

Home Cooked Dog Diet 

Some dog owners find that a home cooked diet is the best way to control the ingredients in their dog food. It is absolutely imperative to research essential dog nutrition to use a home cooked diet responsibly. Like people, dogs require certain levels of nutrients from meat and plant based foods to have complete nutritional health.

How to Do an Elimination Diet for Dogs?

Step 1: Start a Daily Journal

Your daily journal will be used throughout the trial and you should start it before you actually make the switch. Note down symptoms, frequencies, intensities, times of day, or any patterns you notice. This will give you something to compare to during your trial. 

Since your dog may have contact allergies that are as yet undiagnosed, also use the journal to track things that your dog does is exposed to. You may gather valuable information to help in your search to identify a contact allergy such as certain soap, scent from the fabric softener, cologne, cleaning product, etc. 

Step 2: Start the Restricted Diet

Over the course of 3 days, gradually switch from your dog’s current food to the food you have chosen for the dog food allergy elimination trial. This helps to avoid gastrointestinal issues that can be caused by a rapid change in diet.

It is critical to also avoid treating with any treats during this time as this defeats the purpose of eliminating any chance for an offending ingredient to get into your dog’s system. If you currently give oral heartworm or flea and tick preventative, talk to your vet about an appropriate alternative as the ingredients in chewable formulas may well contain the offensive ingredient.

How long does it take to get food out of a dog’s system?

Observe your dog for at least 2 weeks on the new diet. If symptoms begin to improve, then this is a good basis for your food elimination diet for dogs. If they don’t, then identify all of the ingredients and find another food source that does not contain any of them and try again. Once you have a symptom free dog for at least 4 weeks, then you are ready to start adding in other ingredients to test for a reaction.

Step 3: Add in Other Ingredients

Once you have a good base formula that has completely resolved the symptoms, then you have a good idea that a food allergy or sensitivity is the root cause of the problems. Now it is time to figure out what ingredient is the offender.

For example, now you can add some cooked ground beef to your dog’s meal each day. If after a week there is no reaction, then they are not likely allergic to beef. Next try adding other ingredients, one at a time, to the base food. Again, giving it at least a week to see if symptoms occur, keeping very careful notes.

Once you have identified the ingredients that are causing your dog’s issues, then you have more options to choose from on the grocery store shelves and you can try those diets that avoid the offending product in both treats and food. 

Consider LolaHemp Organic CBD Oil 

If you want to learn more about CBD oil and skin allergies in dogs, we have written an informative post here.

In some cases, dogs just seem to have sensitive stomachs or mild food sensitivities that can cause intermittent problems that sometimes might present as a food allergy. As we have written about extensively elsewhere, the endocannabinoid system is related to a healthy gut and good digestion. As such, many owners have found that a quality full spectrum CBD oil for dogs can help with common problems associated with sensitive stomachs and digestion

Joey DiFrancesco

Joey is the founder of LolaHemp for Pets. In 2015 he launched Lolawawa's Pet Boutique, an e-commerce store for pet lovers and pets that donates a portion of profits to animal rescue efforts. In 2018 he launched LolaHemp in response to customers' growing demands for a supplement to help with common pet ailments like chronic pain, phobias, aggression and allergies.

 

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