For artificial insemination the semen of a bull should be stored in
For artificial insemination the semen of a bull should be stored in
مصنوعی حمل کے لیے بیل کے منی کو کس کے اندر رکھنا چاہیے۔
Explanation
Answer:
B
There are two ways to freeze and store sperm: dry ice and alcohol (100 degrees Fahrenheit) and liquid nitrogen (320 degrees Fahrenheit). Liquid nitrogen is preferred because there is no evidence that fertility declines with age. Sperm stored in dry ice alcohol will gradually reduce their chances of giving birth.