References
- Grasso, F., Napolitano, F., De Rosa, G., Quarantelli, T., Serpe, L., A. (1999). Effect of pen size on behavioral, endocrine and immune responses of water buffalo (Bubalus bubalis) calves. J. Anim. Sci., 77: 2039–2046.
- Krohn, C.C., Munksgaard, L., Jonasen, B., (1992). Behaviour of dairy cows kept in extensive (loose housing/pasture) or intensive (tie stall) environments. I. Experimental procedure, facilities, time budgets-diurnal and seasonal conditions. Appl. Anim. Behav. Sci. 34:37–47.
- Napolitano, F., De Rosa, G., Grasso, F., Pacelli, C., Bordi, A., 2005. Influence of space allowance on the welfare of weaned buffalo(Bubalus bubalis) calves. Livestock Production Science. 86:117–124.
- Norusis, M. J. (1989). SPSS User’s Guide: SPSS-PC+ Basal Manual and Advanced Statistics (Version 3.1). SPSS Inc., Chicago, IL.
- Tripaldi, C., De Rosa, G., Grasso, F., Terzano, M.G., Napolitano, F. (2004). Housing system and welfare of buffalo (Bubalus bubalis) cows. Anim. Sci., 78: 477–483.
- Waiblinger, S. Boivin, X., Pedersen,V., Tosi, M.V., Janczak, A. M., Visser, E. K., Jones, R. B.,. (2006). Assessing the human-animal relationship in farmed species: A critical review. Appl. Anim. Behav. Sci. 101:185–242.
- Zicarelli, L., Midea, D., Piccolo, G., Di Palo, R., Neglia, G., Campanile, G., 2001. Influenza della presenza di una vasca con acqua e fertilità nella bufala. Proc. 1st Nat. Congr. on buffalo management, Eboli, Italy, 327–331.