Female Cyclicity Flashcards
Period of sexual receptivity
Estrus
Period between one estrus and next
Estrous
Not cycling
Anestrus
What species are polyestrus?
Cattle, swine and rodents
What species are short-day breeders?
sheep, goats, deer and elk
What species are long day breeders?
mare
What species are monestrus?
Bitch, wolves and bears
What is the dominant hormone in the follicular phase and what is the dominant ovarian structure?
E2
Follicle
What is the dominant ovarian structure in the luteal phase and the associated hormone?
CL
P4
Primary follicles are coming out and forming a secondary follicle; FSH/LH present, E2 secretion begins, P4 drops due to luteolysis in this phase of the estrus cycle
Proestrus
Tertiary follicle formation, sexually receptive, peak E2 secretion occurs in what phase of the estrus cycle?
Estrus
Transition form follicular to luteal cells, CL formation, beginning of P4 secretion occurs in what phase of the estrus cycle?
Metestrus
Completely formed CL, sustained secretion of high levels of P4 from mature CL, ends w/ luteolysis occurs in which phase of the estrus cycle?
Diestrus
True anestrus
insufficient hormonal stimulus
What are some factors associated with anestrus?
Nutrition
Eliminate stresses
Detect and treat pathology
