Flashcards in Canine Repro Deck (181)
the area between the vulva and anus used to stimulate to assess stage of estrous
ability of the hypothalamic neurons to produce sufficient GnRH
What is the average time for proestrus?
What is the average time for estrus?
What is the average time for diestrus?
What is the average time for anestrus?
What is the minimum days required for uterine involution in canine?
time from the beginning of one estrus to the beginning of the next estrus
What is the minimum interestrus period cycle length in canine?
Describe the normal vaginal cytology during anestrus of the canine?
2-4 cell layers thick
Describe the vaginal cytology during proestrus in the canine?
greater than 20-40 cell layers thick
Why does the vagina grow 20-40 cell layers thick during proestrus?
Protect vagina against trauma
Prevent bacterial entry
Allow classification of stage of estrous
What should you avoid during vaginal cytology?
Avoid clitoral fossa, clitoris, and urethral orifice
Describe the physical changes during Proestrus?
Turgid swelling of vulva
hemorrhagic vulvar discharge
What is the response of the female dog during early proestrus?
What is the response of the female dog during late proestrus?
sits down when dog attempts to mount
Describe the cells on the vaginal cytology during proestrus?
Cornified epithelial cells - "corn flakes"
Large angular cells with small/ no nuclei
Describe Physical changes during estrus
softening of vulvar swelling
scant blood discharge
max shrinkage of mucosa of the vagina
Describe the hormones during estrus in canine?
LH and FSH peaks
Describe cells during Estrus in the canine?
Cells may clump - "clumping"
What causes the preovulatory rise in Progesterone?
follicular estrual luteinization
What stimulates the presence of neutrophils in the vagina?
Presence of sperm
In what stage is the primary oocyte in the bitch ovulated at?
How long does it take for the oocyte to go through meiosis before it can be fertilized?
How long is the seondary oocyte viable for in the canine?
When do you breed naturally in the canine?
48-72 hours after 5ng/ml of Progesterone
When do you breed with shipped semen in the canine?
72-96 hours after 5ng/ml of Progesterone
When do you breed with frozen semen in the canine?
at least 96 hours 5ng/ml of Progesterone