Abstract #M251

# M251
Canadian dairy producers' transition to automatic milking systems: preliminary results of a national survey.
Christina Tse*1, Trevor DeVries2, Elsa Vasseur3, Herman Barkema1, Ed Pajor1, 1Department of Production Animal Health, University of Calgary, Calgary, AB, Canada, 2Department of Animal and Poultry Science, University of Guelph, Kemptville, ON, Canada, 3Organic Dairy Research Centre, University of Guelph, Alfred, ON, Canada.

Usage of automatic milking systems (AMS) is becoming increasingly common in Canada. The purpose of this study was to describe producers’ transition to AMS and document their satisfaction. A total of 149 AMS producers were surveyed in 9 provinces by telephone and email. The average number (±SD) of robotic units/farm was 2 ± 1. The median AMS age was 32 mo, with a range of 4 to 170 mo. Of the respondents, 88% of farms used a free-flow traffic system, while 12% used a directed traffic system. Results show that 56% of producers built a new barn and 50% changed housing systems for the transition. Concerning animal training programs, 21% of producers trained cows before first milking with the robot and 38% used a training program for heifers. It took, on average, one week to train cows (7.4 ± 6.0 d) and heifers (7.7 ± 5.9 d), but 2.7 ± 0.4 mo for the entire herd to adapt to the robot. Sixty percent of farms had cows that were not able to adapt to the robot. The median proportion of the herd culled for not adapting was 1% (with a range of 0 to 40%). The average number of lactating cows increased from 92 ± 56 to 102 ± 68. The total hours devoted to milking/day, which included moving/fetching cows, milking time, preparation and cleaning of milking system, decreased by 40%. Milking frequency averaged 3.1 ± 0.4 milkings/day. The majority (84%) of surveyed farms experienced an increase in milk yield from their previous milking system. The median bulk tank somatic cell count (SCC) was 180,000 cells/mL, with a range of 43,000 to 375,000 cells/mL. Changes in bulk tank SCC were variable with producers reporting increases, decreases or no change. Producers also reported an increase in time flexibility, life quality and a willingness to recommend AMS to other dairy producers. Transitioning to an AMS requires effort in training cows and learning a new management system. Producers reported that AMS have met their economic and lifestyle expectations, while improving animal welfare.

Key Words: automatic milking, dairy producer, transition