Distribution of Chikso (Korean Brindle Cattle) in south Korea and their Coat Color Expression
2016
Park, M.N., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Choi, T.J., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Park, B., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Lee, S.S., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Choi, J.G., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Cho, K.H., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Yang, C.B., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Lee, J.G., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Choo, H.J., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Mahboob, A., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Kim, S.H., Gyeonggi Province Veterinary Service Center, Suwon, Republic of Korea | Park, Y.S., Gangwon Province Livestock Research Institute, hoengseong, Republic of Korea | Lee, C.W., Gangwon Province Livestock Research Institute, hoengseong, Republic of Korea | Choi, J.W., Chungcheongbuk-do Institute of Livestock and Veterinary Research, cheongwon, Republic of Korea | Jung, K.S., Chungcheongbuk-do Institute of Livestock and Veterinary Research, cheongwon, Republic of Korea | Kim, S.B., Livestock Experiment Institute, Cheongyang, Republic of Korea | Kim, E.S., Livestock Experiment Station, Jeonbuk Institute of Livestock and Veterinary Resarch, Republic of Korea | Choi, Y.S., Jeollanamdo Agricultural Research and Extension Service, Livestock Reserch Institute, Republic of Korea | Jung, D.J., Gyeongsangbuk-do Livestock Research Institute, Yeongju, Republic of Korea | Lee, K.T., Ulleunggun Agriculture Technology Center, Ulleun, Republic of Korea | Shin, N.H., Livestock Experiment Station, Gyeongsangnamdo Livestock Promotion Research Institute, Republic of Korea | Park, Y.S., Korea National College of Agriculture and Fisheries, Jeonju, Republic of Korea | Lee, H.J., Hankyong National University, Anseong, Republic of Korea | Shin, S.K., Hankyong National University, Anseong, Republic of Korea | Choy, Y.H., National Institute of Animal Science, RDA, Cheonan, Republic of Korea
This study was conducted to report the census survey results of south Korean Chikso (Korean Brindle Cattle) distribution and to diagnose the current coat color expression patterns. Two years Chikso census showed that there were 2,413 Chikso in 2013 and 2,754 in 2014 in south Korea. Number of animals between 0 to 35 months of age was 1,632 heads in 2014 which comprised 59% of total Chikso population size. The percentages of animals between 36 ~ 71 months of age and over 6 years of age were 31% and 10% of total. Out of 2,416 animals with class numbers assessed by their coat colors, 1,249 heads (52%) were in group I (with black stripes, class no. 1 ~ 3) and the others (class no. 4 ~ 7) were in group II (1,167 heads, 48%). Among the 1,551 animals that were photographed twice in 2013 and in 2014, 226 animals were assessed different coat color class numbers, and round 90% of which were within the ages less than 48 months. The number of animals switched in coat color pattern groups over a year was 56, which was 3.6% of total number of animals on survey. And around 88% of the animals switched in group category was of the animals younger than 24 months of age. Therefore, we conclude that the coat color pattern becomes rather stable at around 24 months of age in Chikso populaion in south Korea.
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