Lying behavior: Assessing within- and between-herd variation in free-stall-housed dairy cows
Ito, K. ; Weary, D.M. ; von Keyserlingk, M.A.G.
Journal of dairy science, 2009-09, Vol.92 (9), p.4412-4420
[Periódico revisado por pares]
New York, NY: Elsevier Inc
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