Functional Benefit

Growth & Reproduction — built on evidence.

The right start for puppies and kittens, and the extra nutrition mothers need — with particular care for large-breed puppies.

What We Work On

Where we focus in growth & reproduction.

01

Large-breed puppies

Calcium and energy controlled to support steady, healthy skeletal growth.

02

Brain development

DHA for learning and development in puppies and kittens.

03

Gestation & lactation

Energy-dense, highly digestible diets for pregnant and nursing mothers.

04

AAFCO feeding trials

Growth and gestation/lactation protocols to substantiate claims.

Key Ingredients

What goes into the formula.

DHAFish and algal oils
Calcium & phosphorusControlled ratio and level
High-quality proteinFor growth
Highly digestible fatsEnergy density
Vitamins & mineralsGrowth-profile levels
ColostrumEarly-life gut and immune support
Ingredient & Flavour Library →
Formats

Formats we develop.

Puppy and kitten complete dietsMilk replacersWeaning foodsSoft chews
Claim boundaries

“Complete and balanced for growth” needs formulation to a growth profile or an AAFCO growth feeding trial, including the large-breed statement where relevant.

Latest Research

What the evidence shows.

Peer-reviewed studies in dogs and cats — including where evidence is limited — and how each one shapes our formulation.

Peer-reviewed evidenceGrowth & Reproduction · 1 source

Too much calcium harms large-breed puppies

Great Dane puppies fed three times the recommended calcium developed osteochondrosis-like cartilage lesions and delayed bone maturation.
What we do

Calcium in large-breed growth foods is kept within tight limits.

  1. StudyGoedegebuure & Hazewinkel 1986, Vet Pathol
Peer-reviewed evidenceGrowth & Reproduction · 1 source

DHA supports learning

Puppies given 40 mg DHA per kg per day scored 70.1% vs 62.7% correct on an object-discrimination task.
What we do

DHA levels are verified by fatty-acid analysis.

  1. StudyRodrigues 2023, Animals
Our Process

From brief to substantiated product.

Brief & evidence review

Species, life stage, format and the benefit you want — checked against the published evidence.

Targets & claim wording

Active levels and draft claims agreed per market before formulation.

Formulate

Recipe built to nutrient profiles, with actives at evidence-based levels.

Prototype & verify

Actives measured in the finished product and through shelf life.

Validate

Palatability and, where claims need it, efficacy studies with partner panels.

Launch file

Label, claim substantiation file and technology transfer.

Our Experts

Who works on your product.

P

Pet nutritionist

Sets nutrient and active targets against AAFCO and FEDIAF profiles.

V

Veterinary advisor

Reviews clinical relevance, safety and claim boundaries.

R

Research scientist

Designs studies and reviews the published evidence.

A

Analytical scientist

Verifies active levels, stability and safety in the finished product.

Insights

Guires PNL quality, compliance and safety

Every project at Guires Pet Nutrition Lab runs inside an ISO 9001:2015 certified quality system and FSSAI-licensed operations, with documented methods, calibrated instruments, traceable raw materials and reviewed reports — so the results behind your product can be checked and defended.

Quality

Developing a growth & reproduction product?

Tell us the pet, the format and the markets — we will come back with an evidence-based development plan.

FEDIAFAAFCO

Every Guires PNL product is formulated to comply with the FEDIAF Nutritional Guidelines and the AAFCO Dog and Cat Food Nutrient Profiles. Neither body issues certificates to manufacturers, so compliance is verified independently against their published standards — and every product comes with a complete documentation package for regulatory submissions in the EU, US, Australia and Asian markets.

How we verify compliance →
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