Surplus Dairy Calf Transportation: Effects on Lying Behavior and Investigating Nutritional Strategies to Improve Health, Growth, and Behaviour

Bajus, Andrea
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University of Guelph

The objective of this thesis was to investigate the impact of long-distance transportation on calf health and welfare using a multidisciplinary approach. This thesis investigates the effect of 6, 12, and 16 h of transportation on surplus calf lying behaviour. Calves transported for 12 h and 16 h spent less time lying down and a greater number of lying bouts on the day of transportation than calves transported for 6 h. Calves transported for 16 h had the greatest lying time on the day following transportation. This thesis also assessed the effect of feeding calves a high sodium (ORS-D) or potassium oral rehydration solution (ORS-T), or milk replacer (MR) during a mid-transportation rest period on health and behaviour outcomes. Calves fed ORS-T or ORS-D had more fat mobilization than calves fed MR. Calves fed ORS-T tended to have a higher level of diarrhea and respiratory disease than calves fed MR.

calf, transportation, oral rehydration solution, electrolytes, lying behaviour, lying behavior, welfare, nutrition, veal
Bajus, A., D.L. Renaud, H.M. Goetz, M.A. Steele, D.F. Kelton, K.L. Proudfoot, and K.C. Creutzinger. In press. The effect of transportation duration on lying behavior in young surplus dairy calves. J. Dairy Sci.