Are there any GMO ingredients in Skretting feeds?

Skretting Australia maintains a genetically modified organisms (GMO) - free status.

Since January 2000 in accordance with Australian regulation (Food Standards Australia New Zealand Code), Skretting Australia has maintained a “GMO DNA-free” status of aquaculture feeds. Our vegetable raw materials are purchased as non-GMO and supplier certifications are documented.

Do feeds contain antibiotics?

How does Skretting ensure the safety and quality of their ingredients and feeds?