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You can crimp cereal and legumes - Wheat, Barley, Oats, Maize, Peas & Beans.

Advantages of Crimping

  • Cereals can be harvested early to maximise full nutritional values and enable early establishment of follow on crops.
  • Cereals reach their maximum nutritional value when harvested between 35-45% moisture levels.
  • Undesired micro-organisms, yeast and mould are controlled by the oxygen free environment.
  • Crimped cereals require no expensive drying.
  • Makes harvesting less weather dependent.
  • Crimped cereals are less dusty than dry grains, providing a more palatable feed.
  • Reduces dependency for and cost of bought-in feed.
  • Turns home-grown moist cereals into quality digestible and palatable feed concentrate.

ProMyr™ Crimp is a concentrated blend of propionic acid and sodium formate (a salt of formic acid).

Why Use ProMyr™ Crimp for crimping?

  • The high moisture content of cereals lead to dry matter losses - therefore Perstorp always recommend the use of ProMyr™ Crimp.
  • The formic content of ProMyr™ Crimp reduces pH immediately enabling the natural fermentation process to start. The faster this process starts, aids the reduction of dry matter losses.
  • The propionic content of ProMyr™ Crimp improves aerobic stability (reducing the risks of secondary fermentation) once clamp is opened for feed out.
  • Reduces the risk mycotoxin contamination which can be harmful.
  • Cost effective.
  • Non-corrosive.
  • Requires no ADR for transport.
  • Ready to use – no mixing or dilution required.
  • Available in 1000 litres and 2000 litres.

Production selection for Crimping Cereals

Moisture above 30% (fermentation – ensiling)

  • Treatment with 4 litres per tonne of ProMyr™ Crimp.

Moisture below 30% (oxygen free preservation)

  • Preservation in combination with airtight storage.
  • Treatment with 4 litres per tonne ProSid™ MI 700.
  • If intending to feed during the warm weather months apply an additional 2 litres (i.e. 6 litres per tonne)
  • If feeding at a slow rate please also apply an extra 2 litres (i.e. 6 litres per tonne) and if this is intended to be carried out in warm weather increase this by a further 2 litres (i.e. 8 litres per tonne)


Please click the links below to download the brochures.

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NB: In order for the silage additive to work, you must always follow the recommended dosage rates and ensure the dosing equipment is calibrated correctly prior to use. The use of silage additives cannot be expected to overcome adverse weather conditions, poor feeding-out procedures, incorrect dosing rates, poor compaction, poor or inadequate sealing and soil or slurry contamination and is therefore not warranted against these poor practises and conditions. If unsure of applications rates or methods, please seek advice.