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The effect of restricted suckling and non-suckling systems on dairy cow and calf behaviour

Artificial rearing necessitates stressful cow-calf separation (Lefcourt and Elsasser, 1995; Hopster et al, 1995) and precipitates cross-suckling (Lidfors, 1993). Thus, suckling systems may improve the welfare of cows and calves, by alleviating 'stressful' cows-calf separation and satiating suckling motivation. The aim of this experiment was to compare behaviour in cows and calves in restricted suckling and non-suckling systems.Thirty six multiparous dairy cows and calves were divided at 4 days postpartum into three groups. The treatment groups were; non-suckled (NS) cows with calves artificially reared (AR), cows suckled by their own calf (RSM) and cows suckled by a foster calf (RSF). Suckling took place for 15 minutes following mechanical milking only.