Term
|
Definition
12-16 hours after end of estrus |
|
|
Term
When does a goat ovulate? |
|
Definition
24-36 hours after onset of estrus |
|
|
Term
|
Definition
16-30 hours after onset of estrus |
|
|
Term
|
Definition
35-45 hours after onset of estrus |
|
|
Term
When does the horse ovulate? |
|
Definition
1-2 days before end of estrus |
|
|
Term
When does the dog ovulate? |
|
Definition
2-3 days after onset of estrus |
|
|
Term
This is what it's called when a woman can detect ovulation due to pain above the kidney. |
|
Definition
|
|
Term
This occurs more often in women under stress in which they don't ovulate and can throw off the cycle. |
|
Definition
Stein-Leventhal Disease /
Polycystic Ovary Syndrome |
|
|
Term
When born, females have a certain number of primordial follicles, this is called ___ |
|
Definition
|
|
Term
What is ovarian senescence? |
|
Definition
When the ovary can no longer produce viable oocytes |
|
|
Term
The first follicle in the cohort that is ready to ovulate is called ___ |
|
Definition
the dominant follicle/ ovulatory follicle |
|
|
Term
On average a cow has a follicular wave every 5 days.
true or false? |
|
Definition
false, cows have a follicular wave every 7 days (3 waves) |
|
|
Term
Why doesn't the dominant follicle of the first wave ovulate? |
|
Definition
On day 7 there will be a functioning CL producing P4 |
|
|
Term
In the cow, which dominant follicle will ovulate? |
|
Definition
The dominant follicle of the third wave because on day 21 there's no CL |
|
|
Term
Explain what happens for each wave. |
|
Definition
Wave 1: dominant follicle produces small amount of estrogen that prepares the uterus for embryo
Wave 2: dominant follicle produces estrogen that causes the formation of oxytocin receptor sites in the uterus which enhances luteal regression
Wave 3: dominant follicle causes estrus and causes ovulation |
|
|
Term
If you give a shot of PGF2alpha on day 5 of cycle, when will cow come into estrus? |
|
Definition
PGF2alpha will decrease P4 causing dominant follicle of wave 1 to grow and cow will come into estrus within 3 days |
|
|
Term
In a litter bearing animal, when the dominant follicle ovulates, what happens to the rest of the wave? |
|
Definition
|
|
Term
How many waves does the mare have? |
|
Definition
|
|
Term
Inadequate nutrition doesn't effect the number of follicles in a cohort.
true or false? |
|
Definition
false, inadequate nutrition can decrease the number of follicles in the cohort |
|
|
Term
An increase in energy in the diet will do what to the ovulation rate? |
|
Definition
|
|
Term
|
Definition
Melgesterol acetate
P4 taken orally, fed to animals to synch estrus |
|
|
Term
|
Definition
Controlled Internal Drug Release Devise |
|
|
Term
How do sows synch estrus on their own? |
|
Definition
post lactational estrus, piglets nursing keep sow out of estrus. Once taken away sow will come back into estrus |
|
|