A Six-month Evaluation of the Operating Conditions of Milking Robot on the Tanaka Farm.

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  • HOSHIBA Hideo
    The Japanese Society of Agricultural Machinery Obihiro University of Agriculture and Veterinary Medicine
  • UMETSU Kazutaka
    The Japanese Society of Agricultural Machinery Obihiro University of Agriculture and Veterinary Medicine

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  • 田中牧場での半年間の搾乳ロボットの稼働状況
  • シリョウ タナカ ボクジョウ デ ノ ハントシカン ノ サクニュウ ロボット ノ カドウ ジョウキョウ

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Abstract

We investigated the operating conditions of milking robots on the Tanaka Farm for a six-month period (July 1999 to January 2000).<br>The results are as follows:<br>1. Three milking robots in three separate barns operated 24 hours a day for the six-month period and the average milking capacity was 17.0 cows per hour per three milking robots.<br>2. The average number of milking times per cow per day was 2.9, making it a high frequency milking operation.<br>3. The average ratio of teat-cup attachments per milking robot was 95%. Cows on which the robot failed to attach teat-cups returned a few hours later and the subsequent attachment attempt was successful.<br>4. Each barn held approximately the same number of cows. By the completion of the six-month study period, however, the number of cows on Barn I had decreased by 11, whereas the number in Barn II had increased by 8 and Barn III by 1. Ideally milking should be done with a consistent number of cattle.<br>5. The relationship between milk yield (Y) and number of milking times (X) is expressed in the following formula: Y=6.91X+11.34

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