2. introduction to AI Flashcards
How many units can a bull breed a year
40,000
How many units can boars and bucks breed a year
1500-2000
Describe female head management before AI
good health
Body condition score (BCS)of 3+
nutritional flushing
Describe male head management before AI
healthy
good quality semen
trained for semen collection
Which technique is used to inseminate a cow
Rectal vaginal approach
Which technique is used to inseminate a Mare
vaginal approach
list 5 advantages of AI
quick genetic improvement better quality semen easy transport cryopreservation good for smallholding farms
list five disadvantages of AI
quick spread of genetic diseases costly equipment need to be able to detect estrus effectively need good efficiency need proper knowledge of reproduction
define Artificial insemination
deposition of semen into a female’s reproductive tract by artificial techniques instead of by natural service
list what percentage of cows show estrus at certain times of day
00: 00- 06:00 = 43%
06: 00-12:00 = 22%
12: 00-18:00=10%
18: 00-00:00 = 25%
List the 3 tips used for AI of a sow
spiral tip
foam tip
intrauterine