Benefits of our E-Sel Bolus?

  • Selenium is an essential trace element required for the immunity, growth, and fertility of cattle.
  • Slow and certain release of selenium for 6 months, making it a long-term solution
  • It is a suitable alternative to a selenium injection
  • No waiting time for milk or meat

Why E-Sel Bolus ?

  • Easy in use
  • Easy storage and transportation
  • No need to give daily supplements
  • No need to calculate supplementary feed
  • Each cow gets the right dose
  • No spilling

Prevent Selenium deficiency in cattle with E-Sel Bolus :

Our selenium bolus E-Sel is a slow-release selenium supplement for cattle that ensures that a cow’s selenium requirements are met. A selenium deficiency is often linked to other diseases such as mastitis embryo death and retained fetal membranes.

Our selenium bolus can be used for cows over 250 kg.

Dosage and administration

  • 1 E-Sel Bolus every 6 months

Orally with the help of a bolus applicator


  • Our selenium bolus E-Sel comes in a box of 40 boluses
  • Expiry date: shelf life of 3 years after the production date
  • Store dry, protected from extreme temperatures and out of reach of children


10*4 BOLUS

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