Protein feed - 100% crude (biogas production from grass)

The activity generating the emissions is biogas production from grass. The reference product is protein feed, 100% crude. The product protein feed, 100% crude represents the protein content of a product that is used as animal feed. Example of products are: soybean meal; skimmed milk, from cow milk; meat and bone meal; cottonseed meal; rape meal; buttermilk, from cow milk. Protein feed is used for animal feeding. Products with more than 20 % of protein are classified as protein feeds. The reference product amount is 1. The cut-off classification is allocatable product. The activity type is ordinary ordinary transforming activity. Please refer to the ecoinvent documentation here for full details: https://ecoquery.ecoinvent.org/3.11/cutoff/dataset/6781/documentation.