01287naa a2200277 a 450000100080000000500110000800800410001910000170006024501230007726000090020052004660020965000200067565000290069565000170072465000120074165000170075365000280077065000240079865300190082265300180084165300240085970000200088370000170090370000180092077300710093820656422017-03-01       1985    bl uuuu     u00u1 u    #d1 aSINGH, D. K.  aVariation in the duration of oestrous cycle and the effect of time of mating on conception rate in Black Bengal goats.  c1985  a189 oestrous cycles were studied in 78 during Aug.-Dec. In the 5 months resp., cycle length averaged 14.24, 17.47, 21.62, 12.63 and 16.00 days (P&lt0.01). For nulliparous, primiparous and multiparous cycle length averaged 16.54, 16.81 and 16.04 days resp. For mating, the were allotted to 4 groups, in 3 of which the were mated once (between 5 and 10, 10 and 12, or 24 and 26 h of oestrus resp.), and in the 4th the were mated twice (between 10-12 and 24-26 h).  aConception rate  aReproductive performance  aAcasalamento  aCaprino  aCiclo estral  aEficiência reprodutiva  aReprodução animal  aOestrous cycle  aProlificidade  aTaxa de concepção1 aSINGH, C. S. P.1 aSINGH, R. A.1 aMISHRA, H. R.  tThe Indian Veterinary Journalgv. 55, n. 8, p. 666-669, Ago. 1985.