Open AccessThe effect of the duration of the service period and the dry period on the dairy productivity of cows in JSC Path of Ilyich Zavyalovsky district Udmurt Republic
Author(s) -
P. S. Pavlova,
N. M. Smolina
Publication year - 2019
Publication title -
тенденции развития науки и образования
Language(s) - English
Resource type - Conference proceedings
DOI - 10.18411/lj-01-2019-97
Subject(s) - period (music) , productivity , duration (music) , zoology , agricultural economics , biology , economics , economic growth , art , literature , physics , acoustics