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Which of the following has been recently used for increasing productivity of super milk cows?

1. Artificial insemination by a pedigreed bull only
2. Superovulation of a high production cow only
3. Embryo transplantation only
4. A combination of superovulation, artificial insemination and embryo transplantation into a 'carrier cow' (surrogate mother)

Correct answer: A combination of superovulation, artificial insemination and embryo transplantation into a 'carrier cow' (surrogate mother)

Solution

Productivity is increased by rapidly producing multiple embryos from a superior cow, fertilizing them, and transferring them to surrogate mothers. This combines superovulation, artificial insemination, and embryo transplantation, allowing many high-yield calves from one elite donor.

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