Term
|
Definition
- Dogs can have 1,2 or 3 estrous cycles per year
- little, if any, photoperiod influence in domestic dog
- Anestrus is part of the estrous cycle
|
|
|
Term
|
Definition
- Prolonged
- Onset coincides with the LH surge
- Ovulation occurs within 3-5 days after estrus onset
- Ovulation of multiple ova is complete within 24 hours
- Dog ovulates primary oocytes in metaphase 1 shich are fertilizable for up to 7 days
|
|
|
Term
|
Definition
- Female will seek male
- Lordosis
|
|
|
Term
|
Definition
- Included as part of estrus becuase the female is still exhibiting sexual receptivity during the early CL formation
|
|
|
Term
|
Definition
- Average length is 7-8 months
- Average anestrus is 125 days
- Estrus [metestrus 9-10 days]-->diestrus (75 days) --> anestrus (125 days) --> proestrus (9 days) --> estrus
- Anestrus can range from 15-265 days depending on the breed and individual female
|
|
|
Term
|
Definition
- Prolonged & unusual duration (CL activity longer in diestrus than gestation)
- Synonymous with pseudopregnancy
- 2 type of pseudopregnancy
|
|
|
Term
|
Definition
| no external signs, only high serum progesterone levels and endometrial hypertrophy |
|
|
Term
|
Definition
| Same as in covert, but mammary gland development and maternal behavior |
|
|
Term
|
Definition
- Period of ovarian inactivity
- between diestrus and proestrus
|
|
|
Term
|
Definition
- Prolonged
- swelling of the vulva
- proestrus bleeding (E2 is high and causes an increased vascularity in the endometrium resulting in red blood cell leakage into the uterine lumen and voiding through the vagina)
|
|
|
Term
|
Definition
- Secreted prior ovulation
- LH surge causes follicle cells to luteinize and P4 secretion commences as follicles begin to undergo ovulation
- Depending on whether the female is pregnant or not, progesterone secretion will either end at 58-63 days (pregnant) or 75 days (not) from the start of estrus
-
DOGS DO NOT RELY ON PGF-2ALPHA!
|
|
|
