47) Biotechnology in animal production: AI (artificial insemination) Flashcards
1
Q
Advantage of AI
A
- Improvement of selection intensity
- Genetic + reproduction potential based on:
- Males of high genetic value
- Prevention of disease
- Reliable breeding estimations
2
Q
Disadvantages of AI
A
- More work
- Inbreeding
- Spreading gene mutations
- Chromosomal defects
3
Q
Technology associated with AI
A
- Oestrus detection
- Semen collection
- Insemination
4
Q
Oestrus detection
A
- Clinical signs (discharge, behaviour)
- Cytology
- Blood sampling
- Cycle (90 days in total)
5
Q
Sperm collection methods
A
- Artificial vagina
- Gloved hand method
- Electroejaculation
- Dummy
6
Q
Sperm sample processing
A
- Macroscopic investigation
- Microscopic investigation
- Freezing
7
Q
Macroscopic investigation
A
- Colour
- Ratio
- Density
8
Q
Microscopic investigation
A
- Motility
- Mass movement
- Concentration
9
Q
Give the types of insemination
A
- Transvaginal
- Transcervical
- Intrauterine