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Food Trialling

Food trialling is a proactive, diagnostic approach used to uncover whether your pet—be it a cat or a dog—is suffering from food allergies or intolerances. By introducing a new diet that contains either a novel protein or a hydrolysed protein, we can observe whether your pet’s symptoms improve. This process makes it easier to identify dietary triggers, ensuring that every bowl of food ultimately supports your pet’s well-being.


The Ultimate Guide to Food Trialling for Your Pet

Food trialling is a proactive, diagnostic approach used to uncover whether your pet—be it a cat or a dog—is suffering from food allergies or intolerances. By introducing a new diet that contains either a novel protein or a hydrolysed protein, we can observe whether your pet’s symptoms improve. This process makes it easier to identify dietary triggers, ensuring that every bowl of food ultimately supports your pet’s well-being.


Understanding Food Trialling

A food trial, also known as an elimination diet, requires your pet to be fed an exclusive diet that they have not encountered previously. The goal is to remove common allergens or problematic ingredients from their food, so that any changes in health—like improvements in digestion, skin condition, or energy levels—can be attributed directly to the new diet. Typically, a trial lasts between 8 to 12 weeks, allowing enough time for your pet’s system to fully respond to the change.

This carefully controlled process not only helps confirm if food sensitivities are the underlying issue but also serves as the foundation for tailoring an optimal, long-term nutrition plan for your pet.


Novel Protein Diets vs. Hydrolysed Diets: What’s the Difference?

Novel Protein Diets

A novel protein is one that your pet has never been exposed to from weaning onward. Since many commercial diets rely on proteins like chicken, beef, or pork, switching to a novel protein such as venison, kangaroo, duck, or even fish can make a significant difference. These proteins are less likely to provoke an allergic reaction because they are “new” to your pet’s immune system. In Australia, many pet food brands now offer such options—not only in canned and dry formats but also in freeze-dried and air-dried varieties. For example, products like Prime100 have been developed with limited ingredients and are formulated to minimize allergens.

Hydrolysed Diets

Hydrolysed diets take a different approach by breaking down proteins into smaller fragments that are less likely to be recognized by your pet’s immune system. In these diets, proteins are chemically processed (or "hydrolysed") so that if a pet has an allergy, their immune system will not react to these tiny protein pieces. Some veterinary prescription diets available in Australia that utilize hydrolysed proteins include varieties from Royal Canin Hypoallergenic or Anallergenic or Hill's Prescription Diet (such as the z/d or d/d lines for dogs and cats). These diets are often the choice of last resort if avoiding common allergens via novel protein options is not enough.

How to Select the Right Diet for Your Pet

When it comes to food trialling, choosing the correct diet is crucial. Here’s a detailed guide on selecting a novel protein or hydrolysed diet:

1. Consult Your Veterinarian

Before beginning any elimination diet, consult with your vet. They will evaluate your pet’s medical history, current symptoms, and any previous dietary exposures. Your veterinarian can then advise whether a novel protein or hydrolysed diet is best suited to your pet’s needs. 

2. Evaluate the Ingredients

For Novel Protein Diets:
  - Identify Completely New Proteins: Check for proteins such as venison, kangaroo, duck, rabbit, or fish that are not commonly found in your pet’s current diet.  
  - Look for Limited Ingredients: Ideal novel protein diets list only one main protein source paired with one easily digestible carbohydrate. Fewer ingredients equate to fewer potential allergens.  

For Hydrolysed Diets:  
  - Verify the Hydrolysed Process: The label should indicate that the protein has been broken down (hydrolysed) into smaller peptides, reducing its allergenic potential.  
  - Consistency in Ingredients: Just like with novel diets, these formulas usually have very few ingredients to avoid any accidental exposure to potential allergens.  
  - Available Options: At AMS Vets, we stock prescription options such as Hill’s Prescription Diet z/d for dogs and cats or Royal Canin Hypoallergenic foods, specifically designed for pets with severe food allergies.

3. Review the Transition Process

Switching your pet’s diet should be gradual to avoid gastrointestinal upset:
- Mixing Ratios: Start by mixing a small amount of the new diet with your pet’s current food. Gradually increase the ratio of the new diet over 7 to 10 days.
- Watch for Reactions: Keep a close eye on your pet for any signs of digestive upset or discomfort during the transition.  
- Maintain Exclusivity: Ensure your pet is only exposed to the prescribed diet during the elimination period. Even treats or flavored medications can compromise the trial’s results.



The Step-by-Step Process of a Successful Food Trial

Step 1: Establish a Clean Baseline

Before the food trial begins, record your pet’s current symptoms in detail. This baseline information—covering areas like skin condition, digestive habits, and energy levels—will help you gauge their progress over the trial period.

Step 2: Begin the Diet Transition

Under veterinary supervision, transition your pet to the chosen novel protein or hydrolysed diet over the span of a week. This gradual approach minimizes digestive disturbances and gives your pet time to adjust to the new food.

Step 3: Monitor Changes Diligently

Over the next 8 to 12 weeks, keep a detailed daily log of your pet’s:
- Behavior and Energy Levels: Note any changes such as increased playfulness or lethargy.
- Skin and Coat Health: Look for reductions in itching, redness, or rashes.
- Digestive Patterns: Record any shifts in stool consistency, frequency, or signs of discomfort.

Appropriate documentation will assist your vet in assessing whether the food trial is revealing a positive trend.

Step 4: Reintroduction and Challenge Phase (If Needed)

If noticeable improvements occur during the trial, your vet may advise reintroducing previous foods one ingredient at a time. This “challenge phase” helps pinpoint the specific allergen by deliberately exposing your pet to potential offenders under controlled conditions. Understandably, if symptoms have improved, some people choose to avoid this step.

Step 5: Consult and Decide on Long-Term Nutrition

Once the food trial concludes, schedule a follow-up consultation with your vet. Reviewing the food trial log, your veterinarian can recommend whether to continue with the new diet or to cautiously reintroduce certain elements while maintaining a balanced, allergen-minimized meal plan.


Tips for a Successful Food Trial

- Patience is Key: Recognize that it may take several weeks to see a clear response from your pet.
- Exclusivity Matters: Avoid feeding any non-prescribed foods, treats, or table scraps during the trial. This takes discipline to achieve but you don't want to ruin a food trial by feeding any other foods, as they will compromise the aim of the trial.
- Family Commitment: Possibly the hardest aspect! Ensure that everyone in your household is on board so that your pet does not accidentally ingest any forbidden ingredients.
- Regular Updates: Keep in consistent touch with your veterinary team, reporting even small changes. Their insight can help adjust the regimen as needed.


Why Food Trialling Is Important

At our clinic, we comprehend that managing food allergies or intolerances can be challenging. Food trialling is a non-invasive, evidence-driven method to ensure that your pet’s diet is not contributing to chronic issues. Whether transitioning to a novel protein diet or a specially formulated hydrolysed meal, this process allows us to tailor your pet’s nutritional needs with precision and care.

By implementing this structured approach, you’re not only taking a proactive step toward alleviating your pet’s discomfort but also paving the way for a healthier, happier life. Our expert team is here to support you each step of the way—providing clear instructions, monitoring progress, and making adjustments as needed.


Final Thoughts and Additional Resources

Food trialling—with it's thorough evaluation and clear benefits—empowers pet owners to make informed decisions about their pet’s nutrition and overall health. If you have any questions regarding the selection between novel protein and hydrolysed diets, or if you need more examples and specific guidance, don’t hesitate to schedule a follow up visit. Your pet’s long-term well-being is at the heart of everything we do, and we’re here to help you navigate this process with confidence and care.

Dee Why Vet

Glebe Vet

Kingsford Vet

Marrickville Vet

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  • Home
  • Our Hospitals
    • Dee Why Vet
    • Glebe Vet
    • Kingsford Vet
    • Marrickville Vet
  • Book Online
    • Kingsford Vet
    • Dee Why Vet
    • Glebe Vet
    • Marrickville Vet
  • Information Articles
    • Chocolate Toxicity
    • Cruciate Ligament Rupture
    • Dental Disease
    • Pre-anaesthetic Care
    • Puppy and Kitten Care
    • Vaccination
  • Who We Are
  • Technology in AMS Clinics
  • Contact