Open AccessOptimal timing of seasonal calving of cows in the APC «Druzhba»
Author(s) -
Elena Alexandrovna Prishchep,
Михаил Елисеевич Гонтов,
Diana Vyacheslavovna Leutina,
Алла Сергеевна Герасимова
Publication year - 2022
Publication title -
agrarnyj naučnyj žurnal
Language(s) - English
Resource type - Journals
eISSN - 2587-9944
pISSN - 2313-8432
DOI - 10.28983/asj.y2022i8pp56-60
Subject(s) - ice calving , zoology , lactation , productivity , seasonality , biology , ecology , pregnancy , genetics , economics , macroeconomics