| Summary: | Community service aimed to assist farmers in selecting high-quality dairy cows. The activity was done in the location of the Sarana Usaha Warga Sejahtera cooperative. The activity was held by training, recording, and contest for heifer and lactating cows. Materials of extension and training were delivered to farmer groups by online tutorials. The dairy cow contest was done semi virtually. Assessment for quantitative traits was done by measuring body size and qualitative traits or physical appearance by observation on cow’s pictures. Score contest consisted of 60% quantitative and 40% qualitative. The participant was the best dairy cow in the group, that was selected by the group followed of the contest guideline. Each farmer group was represented in the contest by one heifer and one first lactating cow. The results showed the winner contest, both heifers and lactating cow have large body size and good physical appearance. The average body length, wither height, a chest circumference of a heifer, and lactating cow, respectively, were 150.6 and 164.7 cm, 133.8 and 138.0 cm, 179.8, and 192.0 cm. The winner reached a good physical appearance score; the average was 75.3 on heifer and 71.7 on lactating cow. In conclusion, the dairy contest was successful, showing good quality cows characteristics in the cooperative. The cow was qualitatively shown a high appearance on dairy character and good in the frame, leg, and mammary system. The contest could provide basic data for preparing the rearing program in the dairy cooperative and motivated farmers to improve productivity.
Keyword: Dairy contest, selection, Cooperative
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