01228nam a2200229 a 450000100080000000500110000800800410001910000200006024502290008026000450030930000100035450000820036452004020044665000180084865000180086665000120088465000170089665000190091365300300093265300090096265300270097115161952019-10-23       1985    bl uuuu  m   00u1 u    #d1 aSIMPLICIO, A. A  aReproduction in three native genotypes of goats under two feeding management systems in Northeast Brazil; and luteinizing hormone profiles during the oestrus cycle and seasonal anestrus in Spanish goats in the United States.  aLogan, Utah: Utah State Universityc1985  a120p.  aTese Doutorado. Contem informacoes tecnicas fornecidas pela Embrapa Caprinos.  aObjectives: to determine the influence of the feeding-management system, season of year and year on the occurrence of oestrus, the lenght of the estrous cycle and occurrence and rate of ovulation in three native genotypes of goats in Northeast Brazil. To determine blood serum hormone profiles of progesterone and LH during the breeding and anestrous seasons in Spanish goats in the United States.  aendocrinology  aestrous cycle  aCaprino  aCiclo Estral  aEndocrinologia  aComportamento reprodutivo  aGoat  aReproductive behaviour