Question

High milk yielding varieties of cows are obtained by______________

• A. Super ovulation
• B. Artificial insemination
• C. Use of surrogate mothers
• D. All of the above

Answer 1

The correct option is D All of the above

• High milk yielding varieties of cows are obtained by superovulation, artificial insemination and by the use of surrogate mothers.
• Superovulation is when the cow is induced, usually through the use of injectable hormones to ovulate multiple ova.
• Artificial insemination is the process of collecting sperm cells from a male animal and manually depositing them into the reproductive tract of a female.
• Use of surrogate mother in which eggs are obtained from the mother and fertilized with sperm from the father and the embryo is placed into the uterus of the surrogate.

So, the correct answer is option D.