Canine Breeding Management Flashcards
GnRH Function
Release of LH and FSH from pituitary
LH
Triggers ovulation
FSH
Follicular development
Inhibin
(-) FB on pituitary to decrease FSH production
Estrogen
Responsible for “signs” of estrus
Progesterone
Maintenance of pregnancy
A minimum level of _______ of progesterone is necessary to maintain pregnancy in the bitch
2mg/ml
Oxytocin
Uterine contractions
Milk letdown/ejection
Maternal behavior
Prolactin
Milk production
Luteotrophic in dogs
Maternal behavior
Relaxin
Softens cervix, widens pelvic bone to facilitate labor
Only hormone that is pregnancy specific in dogs - after 30d gestation
When can ultrasound be used to diagnose pregnancy?
28-30d
Estrus
Superficial epithelial
Parabasal cells
Diestrus
Superficial epithelial cells
Presence of estrogen
Estrus
Parabasal
No estrogen
Diestrus