For citations:
Sebezhko O.I., Klimanova E.A., Narozhnykh K.N., Korotkevich O.S., Aleksandrova D.A. Content and variability of nitrogen metabolism in cattle of the Holstein breed under conditions of Western Siberia. Bulletin of NSAU (Novosibirsk State Agrarian University). 2022;(3):125-133. (In Russ.) https://doi.org/10.31677/2072-6724-2022-64-3-125-133