Sampling cows to assess lying time for on-farm animal welfare assessment
Vasseur, E. ; Rushen, J. ; Haley, D.B. ; de Passillé, A.M.
Journal of dairy science, 2012-09, Vol.95 (9), p.4968-4977
[Periódico revisado por pares]
New York, NY: Elsevier Inc
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