Potassium sorbate

Potassium sorbate is a granulated chemical conservation product to improve aerobic stability and hygienic value of silage. The effect of sorbic acid contained in potassium sorbate range mainly against yeasts and moulds, however, also many bacteria are inhibited. Spoilage by undesirable microorganisms is avoided and feed hygiene is safe.


Field of application

  • For all silages with heating up problems
  • Especially recommended for TMR and by products



The application shall be done as a solution. For this dissolve potassium sorbate in the ratio 1:1 or 1:2 in water.

Potassium sorbate is non corrosive. Application systems for bacteria are able to be used.

The dosage is dependent on the field of application. Following application levels are recommended:


Complete treatment

Total treatment of CCM and wet maize: 500 g / t

Grass and maize silages with > 40 % DM: 400 g / t


Surface and layer treatment

Per square metre 200 – 300 g

layers thickness ca. 20 - 25 cm, treatment of 2 – 3 layers


Alternatively the complete treatment of last loads is possible.


Stabilization of TMR

200 – 300 g / to


Stabilization of liquid by products

200 – 300 g / t


Please note

The usage of acids and their mixtures for conservation properties demands the HACCP – protocol.

AGRAVIS Nutztier GmbH