Celtic Connection
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Celtic Connection · Field notes

The Journal

Nutrition science, ingredient sourcing, clinical observations from practice. Written by practitioners, not marketing departments.

Topic
Calcium to phosphorus ratio in pet food for dogs

Why we declare a calcium-to-phosphorus ratio – not individual numbers

Most pet food labels declare calcium and phosphorus as fixed numbers. Here is why a ratio range is more scientifically sound — and more honest
Why grain free is not a trend. It is biology.

Why grain-free is not a trend. It is biology.

The grain-free argument is not a marketing position. It is a statement about what dogs and cats evolved to process — and what the research
Celtic Connection - Phytic Acid and Coat Quality

Phytic acid in pet food: what it is and why it matters

Most conversations about pet food focus on what a recipe contains. Phytic acid asks a different question: even when the right nutrients are present, are

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