Cutaneous adverse food reactions (CAFR) cause persistent dermatologic signs such as pruritus and erythema, often accompanied by gastrointestinal disturbances including diarrhea in dogs, making them a source of ongoing discomfort for both pets and owners (Valentine, 2020). Similar clinical patterns have been described in cats, where adverse food reactions may present with cutaneous signs and improve following dietary elimination and controlled feeding trials (Leistra & Willemse, 2002).   Clinical Indicators of Protein Sensitivity in Dogs and Cats  The diagnosis of CAFR is commonly based on an elimination diet trial followed by a provocative challenge (Tinsley et al., 2024). Research indicates that nonseasonal pruritus is the dominant clinical symptom, affecting approximately 94% of dogs with CAFR (Valentine, 2020). This commonly presents persistent scratching of the ears, paws, or ventral abdomen and may predispose affected dogs to secondary complications such as recurrent pyoderma or otitis externa (Valentine, 2020). Comparable dermatologic presentations have also been reported in cats with adverse food reactions, where pruritus and inflammatory skin lesions may improve following dietary elimination protocols (Leistra & Willemse, 2002; Bryan & Frank, 2010).  Beyond dermatological signs, gastrointestinal (GI) distress represents a frequent non-cutaneous manifestation. Clinical signs including diarrhea, vomiting, and increased defecation frequency are commonly observed in dogs with adverse food reactions (Valentine, 2020). Similar gastrointestinal involvement has been documented in feline patients, supporting the role of suspected dietary proteins as potential contributors to both cutaneous and enteric symptoms across species (Bryan & Frank, 2010). These presentations are often misattributed to environmental or infectious causes, which may delay appropriate nutritional evaluation.  Identifying Common Protein Allergens in Pet Food   Proteins commonly found in commercial pet foods, such as beef, chicken, and wheat, can lead to immune sensitization over time. Even minute quantities of these allergens can trigger a flare-up, with clinical relapse occurring rapidly following re-exposure, often within days, even at low amounts (Tinsley et al., 2024).  The Role of Novel Proteins and Elimination Diets   The "gold standard" for diagnosing CAFR remains the elimination diet trial, using either a hydrolyzed diet or a novel protein source—one to which the dog has had no prior exposure (Valentine, 2020). To achieve maximum diagnostic sensitivity, studies recommend an elimination trial duration of at least eight weeks, which allows over 90% of dogs to achieve remission of clinical signs (Valentine, 2020). Using a truly new protein reduces the likelihood of an immune response, allowing inflammation in the skin and gastrointestinal tract to subside (Roudebush et al., 2010).  Kangaroo as a Hypoallergenic Reset  Kangaroo is considered an ideal novel protein because it is rarely encountered in standard commercial diets, making it an effective immune rest through antigen avoidance for the immune system. Addiction Pet Foods utilizes wild-harvested Australian kangaroo to provide high-quality, hypoallergenic options:  • Nutritional Profile: Kangaroo meat is naturally lean and provides essential minerals such as iron and zinc, which are important for normal metabolic and skin functions  • Addiction Wild Kangaroo & Apples: A grain-free dry formula that excludes common allergens such as beef, chicken, wheat, corn, and soy, utilizing pectin-rich apples for fiber.  • Addiction Outback Kangaroo Feast: A raw-alternative muscle-meat recipe enriched with nutrient-dense superfoods like papayas and blueberries to support digestion and skin health.  • Addiction Kangaroo Recipe Meaty Bites: Single-protein, grain-free treats designed for training rewards without compromising a sensitive dog's diet.  • Addiction Wild Kangaroo Feast (Cat Food): Limited-ingredient, grain-free, single-protein recipe made with wild kangaroo as the only animal protein, formulated to support sensitive skin and digestion in cats prone to food sensitivities.  Implementation and Transition  Transitioning a dog with sensitivities to a novel protein requires a gradual protocol to avoid acute GI upset. A 7 to10-day transition period is recommended, starting with a ratio of 25% new food to 75% old food, and increasing the new protein every few days. This allows the digestive system to adapt while the owner and clinician monitor for a reduction in pruritus and GI symptoms (Tinsley et al., 2024).  By utilizing ethically sourced, nutrient-dense novel proteins, owners can effectively manage chronic sensitivities and restore their pet's vitality.  Disclosure: This content is provided by Addiction Pet Foods for educational purposes. Product examples are included to illustrate nutritional approaches and should be used in consultation with a veterinarian.    References  Bryan, J., & Frank, L. A. (2010). Food allergy in the cat: A diagnosis by elimination. Journal of Feline Medicine and Surgery, 12(11), 861–866. https://doi.org/10.1016/j.jfms.2010.09.003  Leistra, M., & Willemse, T. (2002). Double-blind evaluation of two commercial hypoallergenic diets in cats with adverse food reactions. Journal of Feline Medicine and Surgery, 4(4), 185–188. https://doi.org/10.1053/jfms.2002.0209  Roudebush, P., Guilford, W. G., & Shanley, K. J. (2010). Adverse reactions to food. In M. S. Hand, C. D. Thatcher, R. L. Remillard, P. Roudebush, & B. J. Novotny (Eds.), Small animal clinical nutrition (5th ed., pp. 609–635). Mark Morris Institute.  Tinsley, J., Griffin, C., Sheinberg, G., Griffin, J., Cross, E., Gagné, J., & Romero, A. (2024). An open-label clinical trial to evaluate the efficacy of an elemental diet for the diagnosis of adverse food reactions in dogs. Veterinary Dermatology, 35(1), 40–50. https://doi.org/10.1111/vde.13198  Valentine, B. (2020). Review of critically appraised topics on adverse food reactions of companion animals. Canadian Veterinary Journal, 61(5), 537–539. 

Cutaneous Adverse Food Reactions (CAFR) has become a primary focus for clinicians and pet owners alike. While traditional proteins such as beef, chicken, and lamb are staple ingredients, their widespread use in commercial pet foods has been associated with an increased risk of sensitization in prone canine populations (Valentine, 2020), and adverse food reactions with dermatologic manifestations have also been well documented in cats through elimination and dietary challenge studies (Leistra & Willemse, 2002). Kangaroo meat serves as an effective novel protein option for pets prone to food sensitivities, offering high protein content, essential minerals such as iron and zinc, and functional lipid support for skin barrier integrity and gastrointestinal health.  Importance of Novel Proteins  Hypersensitivity reactions are the result of an exaggerated immune response to common dietary components, primarily proteins (Pucheu-Haston, Merck Veterinary Manual). In dogs, the most frequently reported dietary allergens include beef, dairy, chicken, and wheat (Valentine, 2020). These reactions often manifest as non-seasonal pruritus, otitis externa, and gastrointestinal distress, which may include increased defecation frequency or vomiting (Pucheu-Haston, Merck Veterinary Manual).  A novel protein is defined as a protein source to which an animal has had minimal or no prior exposure, thereby reducing the likelihood of pre-existing IgE-mediated sensitization (Pucheu-Haston, 2025). Kangaroo remains uncommon in mainstream commercial diets; it is highly effective in removing inflammatory triggers.   Nutritional Profile of Kangaroo Meat: A Nutrient-Rich Option   Kangaroo meat is recognized for its unique functional lipid and amino acid density. Key technical advantages include:  Amino Acid Density: Kangaroo meat contains over 23% protein, and its proteins are "complete" and it is particularly high in isoleucine and sulfur-containing amino acids, supporting high biological value (Shul’gin et al., 2015).  Functional Lipids: Its lipid profile is dominated by unsaturated fatty acids (60%) and high levels of phospholipids (12.8%), which aid in cellular function and supports cellular membrane integrity and, and provide a favorable unsaturated-to-saturated fat ratio (Shul’gin et al., 2015).  Micronutrient Bioavailability: Kangaroo muscle tissue is naturally rich in minerals and vitamins. It exceeds traditional meats in its content of iron and zinc, satisfying a significant portion of daily requirements (Shul’gin et al., 2015). Specifically, the high iron content supports oxygen transport via myoglobin and contributes to the meat’s naturally dark-red color (Shul’gin et al., 2015). It is also a concentrated source of riboflavin (B2) and thiamine (B1) (Shul’gin et al., 2015).    Application: The Elimination Diet  The "gold standard" for diagnosing food allergies remains the restrictive-provocation dietary trial (Olivry et al., 2015; Pucheu-Haston, 2025). Technical data indicates that the duration of these trials is critical for diagnostic sensitivity:  • Remission Timelines: Research shows that while 50% of dogs may show improvement within three weeks, it takes eight weeks for more than 90% of dogs to achieve complete remission of clinical signs (Olivry et al., 2015; Valentine, 2020).  Disclaimer: This content is intended for informational and educational purposes only and does not replace veterinary diagnosis or treatment. Individual responses to dietary proteins may vary. Elimination diets should always be conducted under veterinary supervision to ensure nutritional adequacy and diagnostic accuracy.    References  Leistra, M., & Willemse, T. (2002). Double-blind evaluation of two commercial hypoallergenic diets in cats with adverse food reactions. Journal of Feline Medicine and Surgery, 4(4), 185–188. https://doi.org/10.1053/jfms.2002.0209  Olivry, T., Mueller, R. S., & Prélaud, P. (2015). Critically appraised topic on adverse food reactions of companion animals (1): Duration of elimination diets. BMC Veterinary Research, 11, Article 225. https://doi.org/10.1186/s12917-015-0565-3  Pucheu-Haston, C. M. (2025). Cutaneous food allergy in animals. In Integumentary system. Merck Veterinary Manual. https://www.merckvetmanual.com  Shul’gin, R. Y., Prikhod’ko, Y. V., & Shul’gin, Y. P. (2015). Kangaroo meat as a valuable raw material for dietary products. Biosciences Biotechnology Research Asia, 12(1), 333–340. https://doi.org/10.13005/bbra/1706  Valentine, B. (2020). Review of critically appraised topics on adverse food reactions of companion animals. The Canadian Veterinary Journal, 61(5), 537–539. 

New Year’s resolutions aren’t just for us—our pets deserve a fresh start too! Whether your pet has been munching on the same chicken-based meals for years or you've recently noticed some signs of sensitivities, it’s time to shake things up. While chicken is often the go-to protein in pet food, it might not be the healthiest option for your pet. This year, let’s break up with chicken and explore alternatives that promote your pet's health and happiness.  Chicken Sensitivities: It’s More Common Than You Think  You might think of chicken as the "safe" protein, but many pets actually have sensitivities or even allergies to it. Chicken proteins can trigger gastrointestinal upset, skin irritations, or even ear infections in some dogs and cats. Symptoms might be subtle at first—like occasional itching or digestive discomfort—but they can escalate into more serious issues, such as chronic ear infections or fur loss.  Even pets that seem to tolerate chicken well initially can develop sensitivities over time. That’s why it’s important to keep an eye on how your pet reacts to their food. If your pet has been suffering from unexplained symptoms like paw licking, excessive scratching, or digestive issues, chicken could be the culprit.  How Chicken Triggers Can Affect Your Pet’s Health  Chicken is a common protein found in many pet foods, but for some pets, it’s a trigger. Here’s why:  Allergic Reactions: Proteins in chicken, like those in many allergens, can provoke an immune response, leading to skin irritations, gastrointestinal issues, and even respiratory problems.  Digestive Disturbances: Pets with sensitive stomachs or food sensitivities may struggle to digest chicken. This can cause bloating, gas, diarrhea, or vomiting.  Skin & Coat Issues: Constant itching, hair loss, or the development of hot spots could signal a sensitivity to chicken. Pets can develop irritated skin patches from this protein.  Why Consider Chicken-Free Alternatives?  Switching to chicken-free foods can be a game-changer for pets with sensitivities. Novel proteins like wild kangaroo and venison are more easily digestible and less likely to cause reactions. These proteins not only provide a unique nutritional profile but also support better overall health.  Let’s look at some amazing alternatives:  Wild Kangaroo: The Exotic Protein Your Pet Will Love  Kangaroo meat is a lean, easily digestible protein that's perfect for pets with sensitivities to chicken. It's low in fat, rich in essential amino acids, and full of nutrients like iron, zinc, and omega-3 fatty acids. Wild kangaroo is also less likely to be contaminated with antibiotics or hormones, making it a cleaner, more natural option for your pet. Plus, it’s an exotic protein, so if your pet has had too much of the usual options, it’s a great way to shake things up!  Viva La Venison: A Flavorful and Nutritious Choice  Venison is another fantastic alternative to chicken. This rich, flavorful protein is great for pets with sensitivities and is often less likely to cause allergic reactions. Venison is low in fat and packed with high-quality protein, iron, and B-vitamins—essential nutrients that promote overall health. It’s a game-changer for those looking to support their pet’s nutritional needs with something new and exciting.  The Bottom Line: A Healthier, Happier Pet  By swapping chicken for these alternative proteins, you're giving your pet the opportunity to thrive without the discomfort of sensitivities or allergens. Whether it's the lean, nutrient-rich wild kangaroo, antioxidant-packed apples, or the flavorful and nutritious venison, there’s a whole world of options for your pet to explore.  So, this year, make your pet’s resolution one of health and wellness—break up with chicken and start fresh with exciting, allergy-friendly alternatives. Your pet will thank you with a shiny coat, a happy belly, and a tail that wags with joy!    Ready to Make the Switch?  Give your pet the gift of better health this year! Explore our wide range of chicken-free, allergy-friendly pet food options—packed with novel proteins like wild kangaroo and venison. Your pet will love the taste, and you’ll love the results.  Shop Now and Start Your Pet’s Healthy Journey Today!