Open AccessEfficiency of breeding by fertility of Romanov sheep
Author(s) -
Marina ABRAMOVA,
Mariya BARYShEVA,
Mihail KOSTYLEV
Publication year - 2022
Language(s) - English
Resource type - Conference proceedings
DOI - 10.33814/mak-2022-27-75-140-145
Subject(s) - fertility , domestic sheep reproduction , population , biology , demography , estimation , zoology , economics , sociology , management