Topic 47

Question 1

AI to date

Answer 1

routinely used reproductive technology in most of the domestic species

Question 2

Advantages of AI

Answer 2

Improvement of selection of intensity, genetic and reproductive potential based on males of high genetic valu; Prebention of venereal (ST) diseases (STDs); Reliable breeding value based on high number progeny testing

Question 3

Disadvantages of AI

Answer 3

lots of work; inbreeding; spreading gene mutations and chromosomal defects

moral, ethical dilemmas??

Question 4

Technology

Answer 4

estrus detection; semen collection; insemination

Question 5

Estrus detection

Answer 5

clinical signs; biosensor approach; blood sampling; cycle

estrus = in heat

Question 6

Sperm collection

Answer 6

collection in artificial vagina, gloved hand method, electroejaculation; check motility, concentration; freezing: semen put into ionic solution, cryoprotectants added, cooled and frozen in liquid nitrogen - 196 degrees C - Bull, ram, stallion

Question 7

Insemination

Answer 7

Transvaginal, transcervical, intrauterine