Products of the Selko®-pH range control undesirable bacteria from drinking water into the gastro intestinal tract of animals. Furthermore, the acidification of the stomach improves digestion of feed. The result is a positive effect on animals’ gut health and a more profitable performance. More


Optimin® minerals protect the value of your minerals (zinc, manganese, copper, iron, cobalt) in the most stable and bioavailable form as chelated trace minerals. The superior chelation stability of Optimin chelated minerals ‘Protects the value of your minerals’ against reactions with antagonists. This results in a balanced and optimal supply of trace minerals for your animals. More


Presan® represents an integrated approach which optimises microbiota and boosts gut wall integrity. This powerful formula is designed to raise profits by decreasing wet litter and improving the technical performance. Furthermore, Presan is not only a viable alternative to antimicrobial growth promoters, it also reduces the use of antibiotics. More

About Selko

Selko® Feed Additives develops, manufactures and markets feed additives that provide benefits for feed producers and farmers. A company specialises in the conservating of raw materials, feed products and drinking water with blends of organic acids in a natural way, protecting them from microbial contamination and counteracting related toxic effects. Health products promote the development of a healthy gut micro-flora, inhibiting the proliferation of undesirable bacteria.
The portfolio is completed by organic minerals, betaine and mycotoxin binders. Product development, sales and technical service are facilitated by being a Nutreco company; and in cooperation with sister organisation Trouw Nutrition. 


Driven by sustainability

The world faces the challenge of feeding 9 billion people sustainably in 2050; doubling food production while halving the footprint. As a Nutreco company our ambition is to contribute to meeting these rising food needs in a sustainable manner by delivering high quality and sustainable feed additives. More

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Moisture retention for higher feed mill efficiency

Feed mill efficiency or process optimalisation is increasingly becoming one of the primary targets of animal feed production. Fylax® Forte and its surfactants premixed in water optimize the moisture content without sacrificing feed quality. Benefits usually seen include: inhibit mould, decrease of energy usage in the pelletizer, increase pellet quality, compensate the process loss in terms of moisture content in final feed ..etc. Click on the link for more information: Moisture retention for higher feed mill.pdf

Customer support

Selko customer support experts are based at Selko Feed Additives and at authorised distributors. They are specialised in each of the three product families, Preservation, Health, Nutrition, and are available to customers around the world. These experts can advise customers to ensure they maximise the benefits of our products to protect and preserve the nutritional value of feed raw materials and feeds, to minimise the impact of undesirable micro-organisms on the productivity of their livestock and to make the most efficient use of the nutrients present in their feed.

Global presence