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http://dx.doi.org/10.5307/JBE.2012.37.6.373

Development of an electronic sow liquid feeding system using RFID (1) - Development and performance test of the prototype -  

Kim, Hyuck Joo (National Academy of Agricultural Science, RDA)
Hong, Jong Tae (National Academy of Agricultural Science, RDA)
Yu, Byeong Kee (National Academy of Agricultural Science, RDA)
Kim, Sang Cheol (National Academy of Agricultural Science, RDA)
Choi, Kyu Hong (College of Agriculture and Life science, Gyeongsang National University)
Chang, Hong Hee (College of Agriculture and Life science, Gyeongsang National University)
Publication Information
Journal of Biosystems Engineering / v.37, no.6, 2012 , pp. 373-384 More about this Journal
Abstract
Purpose: In EU, the animal welfare regulations are strengthening. Also, in Korea, for strengthening of animal protection laws, animal welfare farm certification scheme is being prepared to enforce. To get the certification of animal welfare farm, especially for sows, individual specific feeding in sow group is necessary in accordance with the animal welfare regulation. Also, liquid feeding is reported to be more effective for farrowing as well as dry sow. Therefore, in this study, a electronic liquid sow feeder using RFID which could be fed to farrowing sow simultaneously is developed. Methods : We manufactured a prototype of appropriate elements which were evaluated in the preliminary test for selecting RFID tag, supply pump, mixing type, etc. With the prototype, the performance test for liquid feeding gilt was done in group raising training barn. Results : The performance test result shows the C.V.(coefficient of variation) of liquid mixing and feeding is 0.77~1.97% and 2.4~5.3%, respectively, which means the system could feed sows uniformly. The feeding time of pneumatically activated ball valve is 2 seconds per 0.9 kg of liquid feed. The eating time for gilt were 65 seconds in average. Conclusions : The prototype could feed sow uniformly, and deliver the liquid feed 9 times for a sow continuously. Also, total eating time for a sow was 18 minutes in one visit to the prototype of feeding station.
Keywords
Animal welfare; Sow feeding; RFID; Liquid feeding;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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