Past obstetrics 3 Flashcards
1
Q
- Which AI technique is not used in the ewe?
A
Rectovaginal AI (it’s in cows)
2
Q
- What is the volume of the ram ejaculate?
A
1-2 ml
3
Q
- Generally, where should we inject the semen in the cow at AI?
A
Body of the uterus
4
Q
- When does the cow ovulate?
A
10 (12)h after the end of estrus
5
Q
- Which insemination technique is not used in the pig?
A
Vaginal
6
Q
- What type of semen is used in the practice of AI in the pig?
A
Semen stored at 16-17oC
7
Q
- What is the concentration of the spermatozoa in case of laparoscopic AI?
A
20 million per uterine horn
8
Q
- Which component of the eggyolk protects the plasma membrane of the spermatozoa?
A
Lipoprotein
9
Q
- How frequently can the semen be collected in the pig?
A
Max twice per week
10
Q
- What is the correct time of the AI in the horse?
A
Close to the end of estrus
11
Q
- What is the AI dose used in the horse?
A
10-50 ml
12
Q
- Where should the semen be deposited in the mare?
A
Body of the uterus
13
Q
- Where does the dog ejaculate the semen?
A
Vagina
14
Q
- Concentration of spermatozoa in the insemination dose of pig?
A
3-5 billion
15
Q
- Volume of insemination dose used in pig?
A
50-100 ml
16
Q
- Ejaculation can be induced with….
A
Ketamine
17
Q
- How long is the estrus in the mare?
A
5-7 days
18
Q
- What is the concentration of the spermatozoa in the AI dose used in the horse?
A
500 million
19
Q
- What is the acceptable motility result in the dog?
A
80% (75-90%)
20
Q
- AI of the mare should be done…..?
A
Every other day until the end of the estrus
21
Q
- Does the stallion ejaculate in different fractions?
A
yes
22
Q
- In how many fraction does the pig ejaculate?
A
3
23
Q
- Optimum time of AI in the pig?
A
In the middle of the 50-60h of estrous period
24
Q
- How can the semen be collected from the stallion?
A
AV
25
Q
- Which property(ies) of the AV is/are important at the semen collection in the stallion??
A
Temperature and pressure
26
Q
What is the optimal ewe ram ratio at natural mating in natural cycle?
A
1:50
27
Q
What is the temperature of the liquid nitrogen?
A
-196oC
28
Q
- Which technique is not used for semen collection from the stallion?
A
Electroejaculation
