Open AccessAnalysis of the secondary sex ratio in a dairy cow herd
Author(s) -
А. С. Крамаренко,
S.S. Kramarenko
Publication year - 2021
Publication title -
tavrìjsʹkij naukovij vìsnik
Language(s) - English
Resource type - Journals
eISSN - 2664-6102
pISSN - 2226-0099
DOI - 10.32851/2226-0099.2021.119.26
Subject(s) - herd , sex ratio , zoology , dairy cattle , biology , mathematics , demography , sociology , population