49) Biotechnology in animal production: embryo manipulations (OPU, IVM, IVF, IVC) Flashcards
1
Q
OPU
A
- Ovum pick up
- Collection of ova by sonographic control
2
Q
IVM
A
- In vitro maturation
- Special media are required for this
3
Q
IVF
A
- In vitro fertilisation
- Swim up method
4
Q
Advantages of embryo manipulations
A
- Successful in many species
- Shortened generation interval
- Gene transfer possible in early embryonic phase
- Increased calf production per year
5
Q
How often can OPU occur?
A
Can be as often as twice a week
6
Q
Oocyte deep-freezing
A
- Slow freezing
- Low success rate
- High embryo mortality rate
7
Q
Embryo deep-freezing
A
- Slow freezing
- Fast freezing
- Rapid cooling
- 60% survival rate
8
Q
IVC
A
In vitro culture