Data Informed
Farm Proven
We help New Zealand dairy farmers reduce feed waste, increase production, and boost herd health with tailored, science-backed nutrition and expert on-farm support.

Custom Nutrition for NZ Farms

Less Waste. More Results.
Healthier Herds.

-44.09074° N, 171.2539° E
Browse Our Products
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Browse Our Products
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30+
Years Experience

Decades of hands-on animal health experience, helping Kiwi farmers lift performance.

Trusted
Across The South Island

Trusted by South Island farmers who’ve seen performance gains first-hand.

Real Data
Science Backed, Farmer Proven

We only use what’s proven to work in trials and paddocks.

More Than a Product.
A Strategy That Works.

We don’t just sell additive, we solve feed problems. From silage issues to inconsistent herd performance, we design solutions that work for your specific system.

Explore Our Range
Explore Our Range
Results You Can Measure.

We believe the small things done correctly make a huge impact and have the customer case studies to back it up.

Boost animal health and farm performance with tailored feed additives and expert on-farm advice. Helping NZ farmers get more from every mouthful.

We’re more than just a product supplier — we’re your business results partners.

Instead of just pushing the lowest cost solution we use real data, nutritional science, and get proven results.
More from your feed

Instead of just pushing the lowest cost solution we use real data, nutritional science, and get proven results.

Practical On-Farm Advice

Not just spouting facts or telling you what to do.  We get our gumboots on, learn your business, and create tailor made plans for you. 

Trusted by Dozens

Farmers, distributors, and partners across New Zealand rely on us for long-term success.

Founder & CEO
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With 30+ years in animal health, Rhys founded Feed Additives NZ to help farmers lift animal performance through targeted nutrition. He partners with you to boost productivity using proven solutions like organic minerals, probiotics, and prebiotics.
Let’s Build a Plan That Works for Your Farm.

No fluff. No guesswork. Just practical advice, proven products, and a plan that delivers.

Data Informed
Farm Proven