Open AccessDAIRY PRODUCTIVITY OF FIRST-CALF COWS AND THEIR AVERAGE AGE AT FIRST CALVING IN THE CONTEXT
Author(s) -
Alzhan Shamshidin,
A.T. Bisembayev,
Azamat Kuandikovich Saginbayev,
Айжан Абылгазинова,
A.N. Kozhahmetova
Publication year - 2021
Publication title -
izvestiâ nacionalʹnoj akademii nauk respubliki kazahstan. seriâ biologičeskaâ i medicinskaâ
Language(s) - English
Resource type - Journals
eISSN - 2518-1629
pISSN - 2224-5308
DOI - 10.32014/2020.2519-1629.83
Subject(s) - ice calving , productivity , context (archaeology) , zoology , dairy industry , agricultural science , biology , lactation , food science , economics , pregnancy , economic growth , paleontology , genetics