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Research Challenges in Endocrine Aspects of Canine Ovarian Cycles
Author(s) -
Concan PW
Publication year - 2012
Publication title -
reproduction in domestic animals
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.546
H-Index - 66
eISSN - 1439-0531
pISSN - 0936-6768
DOI - 10.1111/rda.12121
Subject(s) - follicular phase , endocrine system , luteal phase , endocrinology , medicine , gonadotropin , ovulation , biology , sex steroid , hormone , ovary , steroid , steroid hormone , endogeny
Contents Significant deficiencies exist in understanding factors controlling the nature and timing of critical endocrine changes in canine ovarian cycles. The following merit further study: changes in steroid clearance and binding; mathematically modelling periovulatory hormone rate of change interactions; luteal gonadotropin dependence; endogenous circannual cycles underlying the ovarian cycle; importance of periovulatory follicular steroid dynamics on granulosa and oocytes; in vitro capacity of anoestrous ovarian tissue to demonstrate roles of individual gonadotropins and steroid precursors to increase oestradiol production; factors affecting secretion and activation of the canine female sex pheromone.