01165naa a2200265 a 450000100080000000500110000800800410001910000260006024501290008626000090021552004070022465000280063165000110065965000170067065000110068765000290069865000170072765300110074465300170075565300140077270000190078670000170080570000180082277300590084017898682017-04-03       1984    bl ---       0--  u    #d1 aMENENDEZ-BUXADERA, A.  aSeasonal variation in semen production of Holstein, Zebu and Criollo bulls under artificial insemination conditions in Cuba.  c1984  aFrom environmental point of view the semen production is affected by many factors, however it's possible to obtain a good performance under tropical conditions. During summer time there are a detrimental effect on semen quality in Holstein, Zebu and Criollo bulls, due mainly to temperature and humidity, nevertheless, with a good level of management it's possible to attenuate this negative influence.  aartificial insemination  acattle  areproduction  aBovino  aInseminação Artificial  aReprodução  aBovine  aRaca Criollo  aRaca Zebu1 aMORALES, J. R.1 aPEREZ, A. P.1 aGUERRA, Y. D.  tLes Colloques de I'INRA, Parisgn.20, p.239-249, 1984.