24. Cotanch, K. W. (2015). Rethinking rumination time: making sense of minutes
per day. Page 10 in July issue of The William H. Miner Agricultural Research Institute
Farm Report. Chazy, NY.
25. Calamari, L., Soriani, N., Panella, G., Petrera, F., Minuti, A., Trevisi, E.
(2014). Rumination time around calving: An early signal to detect cows at greater risk
of disease. J. Dairy Sci., 97,3635-3647.
26. Sjaastad, О. V., Hove, K. & Sand, O. (2003). Physiology of domestic animals.
Scandinavian veterinary press, Oslo, Norway.
27. Mertens, D. R. (1997). Creating a system for meeting the fiber requirements
of dairy cows. J. Dairy Sci., 80, 1463-1481.
28. Van Soest, P. J. (1994). Nutritional Ecology of the Ruminant. 2nd ed.
Comstock Publishing Associated, Ithaca, NY.
29. Hill, C.T., Krawczel, P.D., Dann, H.M., Ballard, C.S., Hovey, R.C., Falls,
W.A., Grant, R.J. (2009). Effect of stocking density on the short-term behavioural
responses of dairy cows. App. Anim. Behav. Sci., 117, 144-149.
30. Ungerfeld, R., Cajarville, C., Rosas, M. I., Repetto, J. L. (2014). Time budget
differences of high- and low-social rank grazing dairy cows. New Zealand J Agric.
Res., 57, 122-127.
31. Soriani, N., Trevisi, E. and Calamari, L. (2012). Relationships between
rumination time, metabolic conditions, and health status in dairy cows during the
transition period. J. Anim. Sci., 90, 4544-4554.
32. Soriani, N., Bar, D., Calamari, L. and Tadini, G. (2013). Rumination time: an
indicator of health status and welfare condition. Proceedings of the precision dairy
conference and expo, Rochester, Minnesota. June 26-27, 91-92. Retrieved from
http://precisiondairy.umn.edu/prod/groups/cfans/@pub/@cfans/@ansci/document
s/asset/cfans_asset_463117.pdf .
33. Daniels, K. J., Townsend, J. R., Donkin, S. S., Pajor, E. A., Fahey, A. G. and
Schutz, M. M. (2003). Behaviors of transition dairy cows and heifers. J. Dairy Sci., 86,
32 (Abstr.).
34. Stangaferro, M. L., Wijma, R., Quinteros, C. E., Medrano, M. M., Masello,
M. and Giordano, J. O. (2015). Use of a rumination and activity monitoring for the
identification of dairy cows with health disorders. J. Dairy Sci., 98, 506 (Abstr.).
35. Morrison, S. Y., Jі, P., Gauthier, H. M., Williams, S. E. and Dann, H. M.
(2013). The effect of calving environment on the behavior, metabolism, and milk yield
of Holstein heifers. J. Dairy Sci., 96 (E-Suppl. 1), 276.
36. Van Hertem, T., Maltz, E., Antler, A., Schlageter-Tello, A., Lokhorst, C.,
Romanini, C.E.B. et al. (2013). Lameness detection based on multivariate continuous
sensing of milk yield, rumination, and neck activity. J. Dairy Sci., 96, 4286-4298.
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