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Genetic parameters for conception rate and milk production traits within and across Holstein herds with different housing types and feeding systems during the first 3 lactations 期刊论文
发表期刊: JOURNAL OF DAIRY SCIENCE. 出版年: 2020, 卷号: 103, 期号: 11, 页码: 10361-10373
作者:  Yamazaki, T.;  Yamaguchi, S.;  Takeda, H.;  Osawa, T.;  Hagiya, K.
收藏  |  浏览/下载：11/0  |  提交时间：2021/01/07
conception rate  dairy cattle  genotype by environment interaction  management system  
Identifying Technical Efficiency of Dairy Cattle Management in Rural Areas Through a Non-Parametric Method: A Case Study for the East Mediterranean in Turkey 期刊论文
发表期刊: JOURNAL OF ANIMAL AND VETERINARY ADVANCES. 出版年: 2009, 卷号: 8, 期号: 5, 页码: 863-867
作者:  Dagistan, Erdal;  Koc, Besir;  Gul, Mevlut;  Parlakay, Oguz;  Akpinar, M. Goksel
收藏  |  浏览/下载：12/0  |  提交时间：2019/11/28
Dairy cattle management  technical efficiency  rural development  data envelopment analysis  tobit regression  Turkey