date:Oct 29, 2013
y of nitrogen to the soil has also meant that the protein content in cereals has fallen by about two per cent over the past 20 years.
The Danish Pig Research Centre has calculated this as an overall loss of more than DKK 420 million per year for Danish pig producers on the basis of a self-sufficiency rate of 60%. The loss accounts for approximately DKK 18 per pig from birth to slaughter.
If we could fertilise our fields at a more appropriate level, the protein content of cereals would also in