TY  JOUR
TI  SPERM QUALITY OF THE STUD BULLS OF VARIOUS BREEDS DEPENDING ON THE YEAR SEASON
KW  stud bull
KW  sperm
KW  year season
KW  ejaculate volume
KW  sperm concentration
KW  breed
JO  Bulletin of KSAU
AU  Chetvertakova, E.V.
PY  2012
IS  
PB  Krasnoyarsk State Agrarian University