Effect of Age at the First Pregnancy on Calving Status in Holstein Heifers

Kwang-Soo Baek,Hyun-Sang Yoon,Wang-Shik Lee,Hyun-Sook Ahn,Won-Ho Kim,Hyun-Seok Chae,Nam-Young Kim,In-Chul Cho

Annals of Animal Resource Sciences :: Vol.26 No.1 pp.13-20

DOI:https://doi.org/10.12718/AARS.2015.26.1.13

The Effects of Age at First Service and Pregnancy on Reproductive Performance in Holstein Heifers

Kwang-Soo Baek, Hyun-Sang Yoon, Wang-Shik Lee, Hyun-Sook Ahn, Kwang-Seok Ki, Tae-Il Kim, Hyun-Seok Chae, Nam-Young Kim, In-Chul Cho, Nam-Geon Park

Annals of Animal Resource Sciences :: Vol.25 No.2 pp.105-113

DOI:https://doi.org/10.12718/AARS.2014.25.2.105

Studies on Growth Performance and Carcass Characteristics of Fattening Hanwoo Heifers Slaughtered at Different Ages

Young Moo Cho^1*, Sang Min Lee, Sun Sik Chang, Ki Yong Chung, Hyeong Cheol Kim, Eung Gi Kwon, Byung Ki Park, Eun Mi Lee, Hyeon Shup Kim, Hee Seol Kang, Sung Sill Lee

Annals of Animal Resource Sciences :: Vol.24 No.1 pp.52-59

DOI:https://doi.org/10.12718/AARS.2013.24.1.52