1. Relationship among dietary proteins, rumen ammonia and blood ammonia and urea;Bani,1991
2. Glucagon, insulin, growth hormone and some blood metabolites during energy restriction ketonemia of lactating cows;de Boer;J. Dairy Sci.,1985
3. Frequenza dei pasti nelle bovine da latte: effetti a livello metabolico, endocrino e produttivo;Lombardelli;Zoot. Nutr. Anim.,1993
4. Protein and energy as an integrated system;Nocek,1988