TY CONF TI EXPERIENCE OF JOINT KEEPING OF SIMMENTAL AND HOLSTEIN COWS IN A DAIRY COMPLEX ON THE EXAMPLE OF ZAO "SIBIR-1" IN KRASNOYARSK REGION KW calf KW Simmental breed KW Holstein breed KW colostrum KW immunoglobulin KW disease KW mortality JO SCIENTIFIC SUPPORT FOR LIVESTOCK BREEDING IN SIBERIA AU Golubkov, A.I. AU Efimova, L.V. AU Golubkov, A.A. AU Kuznecov, A.I. PY 2024 PB Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS