Canine Estrous Cycle Click and wait for everything

Canine Estrous Cycle Click and wait for everything to happen.

Canine Estrus

Normal Physiology Review

Brain Anterior pituitary Hypothalamus Anatomy Uterine horns Ovaries Cervix Uterine body Vagina/ vestibule

Proestrus Gn. RH FSH Follicular Estrogen growth: FSH Proestrus and Estrus

Gn. RH LH LH LH LH Corpus luteum LH LHLH LH Progesterone LH LH Ovulation Estrogen Pregnancy/ Ovulation Diestrus LH

Proestrus 9 days Anestrus Estrus 90 days 9 days Pregnancy/Diestrus 60 days

Proestrus Gn. RH FSH 1 2 Proestrus 3 4 5 6 7 Follicular Estrogen growth: Proestrus and Estrus 8 9

Ovulation Estrus Ovulation Gn. RH LH LH LH LH LH LHLH LH Surge Corpora lutea LH Progesterone 1 2 Proestrus 3 4 5 6 7 8 91 2 Ovulation over 24 hours Estrogen 3 Progesterone initial rise starts with LH peak and rises during estrus (not diestrus) Estrus 4 5 6 7 8 9

LH LH LH Metaphas hase Me e tap II and II polar ondary sec body cyte with ooextrusion polar body LHLH LH LH Ovulation LH Surge 24 hours Estrus 1 2 3 0 1 4 2 5 3 6 4 7 5 8 6 9

Reduction Division Ovulation LH Surge Eggs ready for fertilization Fertile period = 3 -6 days post LH LH = day 0 Estrus 1 2 3 4 5 6 7 8 9

You are done!