Evaluation of between-cow variation in milk urea and rumen ammonia nitrogen concentrations and the association with nitrogen utilization and diet digestibility in lactating cows - Huhtanen, P.; Cabezas-Garcia, E. H.; Krizsan, S. J.; Shingfield, K. J. (American Dairy Science Association, 2015)
Keywords: Kotieläintuotanto, mehiläistalous, riistanhoito, kalatalous; milk urea; rumen ammonia; urinary nitrogen excretion; lehmät; lypsykarja; sulavuus; urea; maito; pötsi; ammoniakki; virtsa; typpi; dairy cows; digestibility