Rumen content

Partly digested plant material taken from the rumen of cattle at slaughter, very moist and with a high microbial load.

Characteristics

About 80% moisture, rich in fibre and lignin.
Contains carbon, nitrogen, phosphorus and potassium.
Carries a large, diverse population of rumen microorganisms.
Can be composted or vermicomposted; cited as an ingredient of traditional biol.

Role in the preparation: Serves as a microbial inoculum and organic matter source in biol fermentation and composting.

Caution: Obtain it from authorised slaughterhouses, handle it with gloves and boots, avoid discharges to water and consult animal by-product rules (in the EU, Regulation (EC) 1069/2009).

Sources: Universidad de Manizales - Vermicompostaje de contenido ruminal

Documentary information: this is neither a recommendation for use nor a plant-protection or veterinary claim. Check your country's regulations before any use.