Feed Additives

Selko is the feed additives brand of Trouw Nutrition, a Nutreco company. Selko’s portfolio consists of natural feed additive solutions that add value to integrators, feed mills and farmers. These natural products provide protection from microbial contamination and counteract toxic effects. Health products promote the development of a healthy gut microflora, inhibiting the proliferation of undesirable bacteria.


The natural choice for healthy growth

Milkivit is the trusted calf milk replacer to rear healthy calves chosen by passionate professional farmers who care for their animals. It originated in Germany Bavarian in 1954. The broad range of Milkivit calf rearing programmes offers every farm the optimal feeding solution. Besides, a series of products are available to support the animal's healthy growth.


Total Piglet Performance

Milkiwean provides total piglet performance for dedicated professionals. Through innovation and on-farm experience, Milkiwean has developed tailored feeding programmes to boost feed intake during pre- and post- weaning. With the right feeding programme and on-farm support, Milkiwean can fulfil the needs of each farmer helping to achieve optimal piglet performance.

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Animal Health products

Farm-O-San offers high-quality nutritional animal health products for livestock farmers, feed producers and intermediaries.

Farm-O-San offers practical products that are easy to use and produced in an ISO and GMP+ certified environment, which independently guarantees the food safety throughout the entire feed chain. All Farm-O-San products are free of antibiotics and other medication.

Farm-O-San Website



For future productivity

Our passion for milk replacers originated in Sloten in Friesland, the birthplace of our success. From as far back as 1958, Sloten B.V. has been producing and marketing high quality specialty feeds to provide young animals with a good start and a healthy development. Our products and services encompass over 50 years of experience, research and development.

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