TY  JOUR
TI  PEDIGREEPECULIARITIES OF BULL SIRESBIOTECHNOLOGICALSPERM PARAMETERSINYEAR SEASONS
KW  bulls
KW  ejaculate volume
KW  spermconcentration
KW  red-marked breed
KW  black-markedbreed
KW  Holsteinred-marked breed
KW  Holsteinblack-marked breed
KW  Simmentalbreed
JO  Bulletin of KSAU
AU  Chetvertakova, E.V.
PY  2012
IS  
PB  Krasnoyarsk State Agrarian University