13/06/2026
🐾 WHY KIBBLE MAY NOT BE THE BEST CHOICE FOR YOUR DOG 🐾
Kibble is undoubtedly convenient. It is easy to store, easy to feed, and has become the dominant form of pet food over the past several decades.
But convenience and optimal nutrition are not always the same thing.
As our understanding of canine nutrition continues to evolve, many dog owners are beginning to ask an important question:
Is highly processed food really the best we can do for our dogs?
🔬 Kibble Is an Ultra-Processed Food
Most kibble is produced through a manufacturing process known as extrusion.
Ingredients are ground, mixed into a dough, exposed to heat, steam, and pressure, then forced through an extruder before being dried and coated with fats and flavourings.
This process creates a shelf-stable product, but it also alters proteins, fats, enzymes, and some naturally occurring nutrients.
Because nutrient losses occur during processing, synthetic vitamins and minerals must be added back to meet nutritional requirements.
While these nutrients help prevent deficiencies, they are not identical to the complex nutrient packages naturally present in whole foods.
🔥 High Heat Creates New Compounds
The extrusion process doesn't simply cook ingredients—it fundamentally changes them.
When proteins and sugars are repeatedly exposed to high temperatures, chemical reactions occur that produce compounds known as Advanced Glycation End Products (AGEs).
AGEs occur naturally in many cooked foods, but ultra-processed foods often contain significantly higher concentrations.
Research in both humans and animals has linked high AGE exposure with increased oxidative stress and inflammation within the body. Scientists continue to investigate the role these compounds may play in ageing, chronic disease, and long-term health outcomes.
High-temperature processing can also contribute to:
• Oxidation of delicate fats, including beneficial omega-3 fatty acids
• Destruction of some heat-sensitive nutrients
• Changes in protein structure that may affect digestibility
• Formation of other heat-induced compounds that remain under scientific investigation
The debate is not simply about kibble versus raw.
It is increasingly becoming a discussion about ultra-processed food versus minimally processed food.
💧 Dogs Evolved Eating Moisture-Rich Foods
Fresh food typically contains between 60% and 80% moisture.
Most kibble contains only 6% to 10%.
Throughout their evolutionary history, canids consumed prey and fresh foods that naturally supplied both nutrients and water together. While dogs can compensate by drinking more water, studies have shown that dogs consuming fresh diets generally achieve greater total water intake than dogs fed dry food alone.
Adequate hydration plays an important role in supporting normal urinary tract function, digestion, circulation, and overall health.
🦠 The Gut Microbiome Matters
Inside every dog lives a complex ecosystem of trillions of microorganisms known as the gut microbiome.
This microbial community influences digestion, immune function, nutrient absorption, metabolism, and even behaviour.
Research increasingly shows that greater microbial diversity is associated with better health outcomes.
Fresh foods provide a wide variety of proteins, fats, connective tissues, and naturally occurring compounds that may help support microbial diversity.
🥩 Protein Quality Is About More Than Percentage
Many pet food labels focus heavily on crude protein percentages.
However, protein quality is often more important than protein quantity.
Fresh animal proteins provide highly bioavailable amino acids along with naturally occurring vitamins, minerals, fatty acids, and other beneficial compounds.
Dogs are anatomically and physiologically adapted to digest animal-based foods, with powerful stomach acid, specialised digestive enzymes, and teeth designed for grasping and tearing rather than grinding plant material.
🧬 Nutrition Is More Than Preventing Deficiencies
For decades, pet nutrition has largely focused on ensuring dogs receive enough nutrients to avoid deficiency diseases.
But optimal nutrition is about far more than simply preventing illness.
Whole foods contain thousands of compounds that interact together in ways science is still working to understand.
A piece of fresh liver provides far more than vitamin A.
A sardine provides far more than omega-3 fatty acids.
Real food delivers nutrients in complex biological systems rather than as isolated additions.
⚖️ Calories Do Not Tell The Whole Story
Two diets can contain identical calories while having very different effects on digestion, body composition, inflammation, satiety, and overall health.
Many owners who transition to balanced fresh feeding report:
✔ Improved coat quality
✔ Better muscle tone
✔ Smaller, firmer stools
✔ Improved hydration
✔ Better body condition
✔ Greater enthusiasm for meals
🌾 The Carbohydrate Question
Dogs can digest carbohydrates.
The real question is not whether they can eat carbohydrates, but how much of the diet should come from them.
Many kibble formulations require significant amounts of starch to create and maintain the structure of the kibble itself. This often means grains, legumes, potatoes, or other carbohydrate-rich ingredients form a substantial proportion of the finished product.
In contrast, fresh diets are typically built around animal proteins, organs, edible bone, and other minimally processed ingredients.
🐕 A Fresh Food Perspective
There is no single perfect diet for every dog.
However, many owners are moving toward fresh, minimally processed nutrition through:
🥩 Raw feeding
🍖 Balanced fresh diets
🍲 Carefully formulated home-prepared meals
🔥 Gently cooked fresh food
The goal is not perfection.
The goal is feeding foods that are closer to what canine physiology evolved to consume.
At the end of the day, nutrition is one of the most powerful tools we have to influence long-term health.
If we know that excessive processing can alter nutrients, oxidise fats, and create potentially harmful compounds, it is reasonable to ask whether ultra-processed food should be the foundation of a dog's diet for its entire life.
For many fresh feeders, the answer is simple.
Feed food that looks like food. ❤️🐾
- Donna Williams,
Emerald Park Border Collies.
www.emeraldparkbc.com
"Making life better
- through understanding dogs!"