Projektnummer

0061272

Zusammenfassung

Dairy cow cubicle barns combined with access to outdoor yards or pasture is considered the optimal housing system with respect to economics and animal welfare in Germany. However, the larger space allowance per cow in these systems creates a bigger emission surface for, and potential pollution from, ammonia. Cattle void urine and faeces throughout the barn floor resulting in optimal conditions for the formation of ammonia which is catalysed from the urea in urine by the enzyme urease present in the animals' faeces. If faeces and urine could be separated at the moment of excretion it wo...