References

• AIA, 2004. Controlli della produttività del latte in Italia. Anonima Tipografica Editrice Laziale, Roma.
   Google Scholar
• Andreoli, D., Andrighetto, I., Cozzi, G., Gottardo, F., 1996. Effetto dell’inclusione di un latte senza latte di origine vegetale nella dieta di vitelli a carne bianca. Prestazioni produttive e qualità della carne. pp 573-574 in Proc. 50th Nat. Congr. SISVet, Perugia, Italy.
   Google Scholar
• Andrighetto, I., Andreoli, D., Cozzi, G., Berzaghi, P., 1996. Prestazioni produttive e qualità della carne di vitelli a carne bianca alimentati con dosi diverse di sostitutivo del latte di origine vegetale. Zoot. Nutr. Anim. 22:289-299.
   Google Scholar
• AOAC, 1990. Official Methods of Analysis of the Association of Official Analytical Chemist, 15th Ed. Assoc. Off. Analyt. Chemists, Arlington, VA, USA.
   Google Scholar
• Bittante, G., Ramanzin, M., Schiavon, S., 1990. Previsioni della ritenzione azotata dei suini in accrescimento. Riv. Suinicolt. 31(4):115-121.
   Google Scholar
• Bosi, P., Russo, V., 2004. The production of heavy pig for high quality processed products. Ital. J. Anim. Sci. 3:209-321.
   Google Scholar
• Børsting, C.F., Kristensen, T., Misciatelli, L., Hvelplund, T., Weisbjerg, M.R., 2003. Reducing nitrogen surplus from dairy farms. Effects of feeding and management. Livest. Prod. Sci. 83:165-178.
   Google Scholar
• Ceolin, C., Tagliapietra, F., Schiavon, S., 2005. Sow rearing in north Italy. I. Analysis of technical and productive characteristics of different herds. Proc. 16th Nat. Congr.ASPA,Torino, Italy, Ital. J.Anim. Sci. 4 (suppl. 2):473-475
   Google Scholar
• ERM/AB-DLO, 1999. Establishment of Criteria for the assessment of the nitrogen content of animal manures, European Commission, Final Report, Luxembourg.
   Google Scholar
• Fernández, J.A., Poulsen,H.D.,Boisen,S.,Rom,H.B., 1999. Nitrogen and phosphorus consumption, utilisation and losses in pig production: Denmark. Livest. Prod. Sci. 58:225-242.
   Google Scholar
• Gallo, L., Schiavon, S., Bittante, G., Contiero, B., Dalle Rive, G., Tondello, L., 2004. Nitrogen excretion estimates for beef cattle using farm data from intensive Italian herds. Page 353 in Proc. 55th Int. Meet. EAAP, Bled, Slovenia.
   Google Scholar
• Maertens, L., 1999. Towards reduced feeding costs, dietary safety and minimal mineral excretion in rabbits: a review and opinion article. World Rabbit Sci. 7:65-74.
   Google Scholar
• Maertens, L., Luzi, F., De Groote, G., 1997. Effect of dietary protein and amino acids on the performance, carcass composition and N-excretion of growing rabbits. Anim. Zootech. 46:255-268.
   Google Scholar
• Maertens,L.,Cavani,C.,Petracci, M., 2005. Nitrogen and phosphorus excretion on commercial rabbit farms: calculations based on the input-output balance. World Rabbit Sci. 13:1-14.
   Google Scholar
• NRC, 2001. Nutrient requirements of dairy cattle: 7th rev. ed. National Academy Press, Washington DC, USA.
   Google Scholar
• Oenema, O., 2004. Governmental policies and measures regulating nitrogen and phosphorus from animal manure in European agriculture. J. Anim. Sci. 82 (E. Suppl.):E196-E206.
   Google Scholar
• Piva, G., Mordenti, A., 1995. Contributi sperimentali alla riduzione del potere inquinante delle deiezioni suine: l’azoto. Inform. Agr. 51(16):27-50.
   Google Scholar
• Poulsen, H.D., Kristensen, V.F., 1998. Standard values for farm manure. A Revaluation of the Danish Standard Values concerning the Nitrogen, Phosphorus and Potassium content of manure. Report n.7 Animal Husbandry, Danish Institute of Agricultural Sciences, Ministry of Food, Agriculture and Fisheries, Tjele, Denmark.
   Google Scholar
• Rotz, C.A., 2004. Management to reduce nitrogen losses in animal production. J. Anim. Sci. 82 (E. Suppl.):E119-E137.
   Google Scholar
• Satter, L.D., Klopfenstein, T.J., Erickson, G.E., 2002. The role of nutrition in reducing nutrient output from ruminants. J. Anim. Sci. 80 (Suppl. 2):E143-E156.
   Google Scholar
• Schiavon, S., Ramanzin, M., Gallo, L., Bailoni, L., Magnabosco, P., Bittante, G., 1997. Gestione alimentare ed escrezione di nutrienti. Riv. Suinicolt. 38(4):63-74.
   Google Scholar
• Smith, K.A., Frost, J.P., 2000. Nitrogen excretion by farm livestock with respect to land spreading and controlling nitrogen losses to ground and surface waters. Part 1: cattle and sheep. Bioresource Technol. 71:173-181.
   Google Scholar
• Smith, K.A., Charles, D.R., Moorhouse, D., 2000. Nitrogen excretion by farm livestock with respect to land spreading and controlling nitrogen losses to ground and surface waters. Part 2: pigs and poultry. Bioresource Technol. 71:183-194.
   Google Scholar
• Szendro,ZS.,Kenessey,A.,Jensen, J.F., Jensen, N.E., Csapo, J., Romvari, R., Militsits, G., 1998. Effect of genotype, age, body weight and sex on the body composition of growing rabbits. World Rabbit Sci. 6:277-284.
   Google Scholar
• Tagliapietra, F., Ceolin, C., Schiavon, S., 2005. Sow rearing in north Italy. II. Analysis of nitrogen balance in different herds. Proc. 16th Nat. Congr.ASPA, Torino, Italy, Ital. J. Anim. Sci. 4 (suppl. 2):476-478
   Google Scholar
• Tamminga, S., 1996. A review on environmental impacts of nutritional strategies in ruminants. J. Anim. Sci. 74:3112-3124.
   Google Scholar
• Tamminga, S., 2003. Pollution due to nutrient losses and its control in European animal production, Livest. Prod. Sci. 84:101-111.
   Google Scholar
• Trocino, A., Xiccato, G., Sartori, A., Queaque, P.I., 2000. Feeding plans at different protein levels: effects on growth performance, meat quality and nitrogen excretion in rabbits. pp 467-474 (Vol. C) in Proc. 7th World Rabbit Congr., Valencia, Spain.
   Google Scholar
• Xiccato, G., Trocino, A., Queaque, P.I., Sartori, A., Carazzolo, A., 2002. Rearing veal calves with respect to animal welfare: effects of group housing and solid feed supplementation on growth performance and meat quality. Livest. Prod. Sci. 75:269-280.
   Google Scholar