Freshly Prepared Protein Sources in Our Dog Food

Freshly Prepared Protein Sources – Ultimate Pet Foods
Our Sourced™ Standard

Freshly Prepared Protein Sources
in Our Dog Food

At Ultimate Pet Foods, every recipe begins with real, freshly prepared meat or fish — never dried meal, never rendered by-product. Each protein is delivered to our manufacturing partner in its natural, unprocessed state and cooked into the recipe just once, preserving the amino acid profile and natural palatability your dog deserves.

12 freshly prepared protein sources
Made with Freshtrusion® HDP process
100% Grain Free — all recipes
Responsibly Sourced™ — farm to bowl

What Does "Freshly Prepared" Actually Mean?

"Freshly prepared" is a term that carries real weight in pet nutrition — but it's also one that gets misused. Here's the honest explanation of what it means at Ultimate Pet Foods, and why it matters for your dog's long-term health.

STEP
1

Whole, unprocessed meat collected fresh

Our trusted manufacturing partner operates their own fleet of temperature-controlled lorries to collect fresh meat and fish directly from approved suppliers. It arrives in its natural, raw, unprocessed state — not as a dried powder or pre-rendered meal — preserving natural moisture and the full amino acid profile.

Dried meat meal purchased from a broker

Most mainstream brands buy pre-rendered meat meal — a dried, powdered ingredient processed weeks or months before manufacture. The original meat source is often mixed-origin and untraceable, delivered by third-party logistics with no temperature-control requirement.

STEP
2

Cooked into the recipe — once

Freshly prepared proteins are cooked only during the manufacturing process itself. This single-cook approach preserves more heat-sensitive nutrients compared to meat meals, which are pre-cooked before being added to a recipe and cooked again during extrusion.

Cooked twice — or more

Because meat meal is already rendered (cooked once), it gets cooked a second time during extrusion. Double heat processing degrades heat-sensitive amino acids and reduces natural palatability, requiring added palatants to compensate for flavour lost during processing.

STEP
3

Higher natural palatability — no additives needed

Because freshly prepared protein retains its natural aromatic compounds through single-cook processing, dogs respond to the genuine smell and taste of real meat. No artificial palatants required — the food earns its appeal naturally.

Palatants sprayed on after manufacture

When natural meat flavour is destroyed by double cooking, manufacturers spray dried palatants — animal digest or flavour additives — onto the kibble surface after manufacture. Dogs are eating added flavouring, not the aroma of real meat.

STEP
4

Better amino acid bioavailability

Using fresh meat and cooking it once results in higher retention of essential amino acids like taurine, lysine, and methionine. What the label says matches what your dog's body can actually absorb and use.

Lower amino acid bioavailability

The Maillard reaction — the browning that occurs with repeated high heat — binds lysine and other amino acids into forms the dog's body cannot absorb. The label may show an adequate protein percentage, but the bioavailable fraction is meaningfully lower.

Our Freshtrusion® process: All Ultimate Pet Foods recipes are made with our trusted manufacturing partner using the proprietary Freshtrusion® High Digestibility Process (HDP). This low-temperature extrusion method is specifically designed to protect protein integrity and digestibility, going beyond standard high-temperature kibble manufacturing. Every batch is independently tested for nutritional consistency.

Freshly Prepared vs. Meat Meal: What's the Difference?

Factor Freshly Prepared (Ultimate Pet Foods) Meat Meal (common industry standard)
State when added to recipe Raw, unprocessed whole meat/fish Pre-rendered dried powder
Number of heat processes 1 (cooking during manufacture) 2+ (pre-rendering + manufacture)
Natural moisture retained Yes No — moisture removed at rendering
Amino acid bioavailability Higher — single-cook retention Lower — degraded by double processing
Palatability Higher natural palatability for dogs Requires added palatants to compensate
Traceability Single-source, Sourced™ verified Often multi-origin mixed meals

Our 12 Freshly Prepared Protein Sources

Every protein we use is responsibly sourced, nutritionally characterised, and verified through our Sourced™ farm-to-bowl process.

Hover over a protein card to reveal full nutritional detail
Poultry · UK & European sourced
Duck protein icon

Duck

Thiamin (B1)Niacin (B3)Riboflavin (B2)Vitamin B6

Rich in B-complex vitamins essential for energy metabolism and nervous system function. Duck offers a leaner red-meat alternative with a distinctive flavour profile dogs respond well to.

Good for dogs with…
  • Chicken or beef sensitivities
  • Dull coat or low energy
  • Need for a novel protein
  • Rotation feeding
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Why duck works well: Duck is a novel protein for many dogs, making it a strong choice for dogs with sensitivities to more common proteins like chicken. Its relatively high fat content supports skin and coat health, while the B-vitamin profile aids cellular energy production.
Pork · Responsibly sourced
Pork protein icon

Pork

Thiamin (B1)ZincPhosphorusSelenium

Responsibly sourced and highly digestible. Pork is one of the most digestible meat proteins available, providing essential vitamins and minerals for sustained vitality.

Good for dogs with…
  • Sensitive stomachs
  • Need for highly digestible protein
  • Picky eaters
  • General maintenance
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Digestibility advantage: Pork has one of the highest digestibility coefficients among common dog food proteins. It's an excellent source of thiamine — critical for carbohydrate metabolism — and provides meaningful amounts of zinc for immune function.
Game · Free-range deer
Venison protein icon

Venison

IronB12ZincNiacinPhosphorus

Protein-rich and nutritionally wholesome. Venison is a lean, iron-rich game meat that supports energy metabolism and immune function — ideal for active adult dogs.

Good for dogs with…
  • Common protein allergies
  • Active or working dogs
  • Low iron or energy
  • Rotation diets
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Novel protein status: Venison is rarely found in standard commercial diets, making it a genuine novel protein for rotation feeding and for dogs who have developed sensitivities to mainstream proteins. Its high iron content supports red blood cell production and oxygen transport.
Red meat · Pasture-raised
Lamb protein icon

Lamb

Vitamin B12IronZincSelenium

An excellent source of vitamin B12 and haem iron — the most bioavailable form of iron — which support healthy nerve function and red blood cell maintenance.

Good for dogs with…
  • Low energy or lethargy
  • Nerve health concerns
  • Need for iron support
  • Puppies and seniors
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Haem iron advantage: The iron in lamb is haem iron, which is absorbed at a rate 2–3× higher than non-haem iron from plant sources. This makes lamb particularly beneficial for dogs prone to low energy or anaemia. Vitamin B12 supports neurological health and DNA synthesis.
Poultry · Free-range
Chicken protein icon

Chicken

B vitaminsIronPhosphorusSelenium

Rich in B vitamins and essential minerals that support muscle maintenance, immune function, and overall health throughout every life stage.

Good for dogs with…
  • All-round nutrition needs
  • Muscle maintenance
  • All life stages
  • Post-illness recovery
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Complete amino acid profile: Chicken provides all essential amino acids in excellent proportions — including taurine and arginine — making it one of the most nutritionally complete protein sources for dogs. As a freshly prepared ingredient, it retains significantly more taurine than dried chicken meal.
Poultry · Lean white meat
Turkey protein icon

Turkey

RiboflavinPotassiumSeleniumTryptophan

Low in fat and packed with riboflavin, potassium and selenium. Turkey is a lean, highly digestible white meat protein — ideal for weight management and sensitive digestive systems.

Good for dogs with…
  • Sensitive digestion
  • Weight management
  • Anxious or reactive dogs
  • Loose stools
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Digestive sensitivity choice: Turkey is one of the most commonly recommended proteins for dogs with gastrointestinal sensitivities. Its lean profile and high digestibility reduce the digestive workload, while its tryptophan content supports serotonin production — associated with calm behaviour.
Game · Free-range
Rabbit protein icon

Rabbit

ZincIronB12Phosphorus

An excellent source of zinc and iron that support immune function and health maintenance. Rabbit is one of the leanest proteins available with a very low allergenicity profile.

Good for dogs with…
  • Multiple protein allergies
  • Weight management
  • Elimination diets
  • IBD or chronic sensitivities
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Hypoallergenic credentials: Rabbit is considered a true novel protein in most dogs' diets, making it one of the safest choices for dogs with multiple protein sensitivities or allergies. Its naturally lean composition and high protein-to-fat ratio make it particularly suitable for weight management.
Red meat · Premium Angus breed
Angus Beef protein icon

Angus Beef

Amino acidsIronZincB12Creatine

Premium quality Aberdeen Angus beef, rich in complete amino acids, B vitamins and bioavailable minerals. Highly nutritious and satisfying — an excellent foundation protein.

Good for dogs with…
  • High activity levels
  • Muscle development
  • Working or sporting dogs
  • Need for calorie-dense nutrition
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Why Angus specifically: Aberdeen Angus cattle are bred for superior marbling and muscle development, resulting in a higher concentration of complete proteins and haem iron compared to standard commercial beef. The natural creatine content supports muscle tissue maintenance in active and working dogs.
Freshwater fish · Sustainably sourced
Trout protein icon

Trout

Omega-3 (EPA/DHA)Vitamin DB12Selenium

Naturally high in omega-3 fatty acids (EPA and DHA) to support healthy skin, a glossy coat, flexible joints, and cognitive function in older dogs.

Good for dogs with…
  • Dry or itchy skin
  • Stiff joints
  • Cognitive decline in seniors
  • Dull or shedding coat
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Omega-3 bioavailability: EPA and DHA from fish are the most bioavailable forms of omega-3 — already in the exact form the body uses, unlike ALA from plant sources which must be converted. Trout provides these long-chain fatty acids alongside vitamin D and selenium for comprehensive support.
Oily fish · Atlantic & Pacific sourced
Salmon protein icon

Salmon

Omega-3 (EPA/DHA)AstaxanthinVitamin DB12

With powerful anti-inflammatory omega-3 fatty acids, salmon helps maintain healthy joints, supple skin, and a naturally glossy coat — particularly beneficial for dogs with inflammatory skin conditions.

Good for dogs with…
  • Inflammatory skin conditions
  • Joint stiffness or arthritis
  • Omega-3 support needs
  • Allergy-related skin flare-ups
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Astaxanthin — the hidden benefit: Salmon naturally contains astaxanthin, a carotenoid antioxidant with anti-inflammatory properties. Research suggests astaxanthin may support joint health, immune modulation, and skin barrier function — benefits beyond those of omega-3 alone.
Oily fish · Ocean sourced
Tuna protein icon

Tuna

Omega-3B3 (Niacin)B12PotassiumSelenium

An excellent source of lean protein and omega-3, with B vitamins and minerals that support cardiovascular health, muscle function, and overall metabolic wellbeing.

Good for dogs with…
  • Lean muscle maintenance
  • Heart health support
  • Low-fat high-protein needs
  • Active adult dogs
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High-quality lean protein: Tuna provides one of the highest protein-to-fat ratios of all fish proteins, making it ideal for dogs requiring lean muscle support without excess fat intake. Its niacin content supports the conversion of food into energy at a cellular level.
White fish · North Atlantic sourced
Haddock protein icon

Haddock

Omega-3IodineB12Phosphorus

Rich in omega-3 fatty acids and natural iodine, haddock promotes healthy skin and coat while supporting thyroid function — often overlooked in canine nutrition discussions.

Good for dogs with…
  • Dry or flaky skin
  • Thyroid support needs
  • Gentle white fish protein needs
  • Seniors with metabolic concerns
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Iodine and thyroid support: Haddock is one of the richest natural sources of dietary iodine, which is essential for normal thyroid hormone production. Healthy thyroid function regulates metabolism, energy levels, skin condition, and coat quality — making iodine a genuinely important mineral in a complete canine diet.

How Our Sourced™ Standard Protects Your Dog

From farm to bowl, every protein source in our range is verified, traceable, and manufactured under the strictest quality controls. This isn't marketing language — it's the infrastructure behind every bag.

Freshtrusion® HDP Process

Our trusted manufacturing partner uses a proprietary low-temperature extrusion process specifically designed to protect the integrity of freshly prepared proteins during manufacture.

Sourced™ Traceability

Every protein in our range is traceable back to its country of origin. Our Sourced™ brand standard means we can tell you exactly where each ingredient comes from — not just broad regional claims.

Single-Source Proteins

We don't blend anonymous mixed meat meals. Each recipe uses a named, single primary protein — so you always know what your dog is eating and can make informed decisions about rotation and sensitivity management.

Grain Free — All Recipes

All Ultimate Pet Foods grain-free recipes are formulated without wheat, corn, soy, or barley — relying instead on digestible carbohydrate sources like sweet potato that complement rather than compete with protein quality.

GB

Written & verified by Glenn Bell

Founder, Ultimate Pet Foods · Canine Nutrition Student, British College of Canine Studies

Ultimate Pet Foods was founded after my yellow Labrador Kirk developed food sensitivities that standard commercial diets couldn't address. That experience drove me to understand canine nutrition properly — not just as a product category, but as a discipline. Everything on this page reflects what I've learned studying at the British College of Canine Studies, working daily with dogs as a professional dog walker and home boarder, and running feeding trials with our own formulations. My miniature Dachshund Ted is the brand's daily product tester and most demanding food critic.

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