During embryo transfer in cattle, why is synchrony between the donor and recipient reproductive cycles important?
Correct answer: B. To match uterine conditions with embryo age
- A. To prevent sperm capacitation
- B. To match uterine conditions with embryo age
- C. To increase fetal sex chromosome number
- D. To delay corpus luteum formation
Explanation
The recipient uterus must be at a stage that corresponds closely to the developmental age of the transferred embryo. A poorly synchronized uterus may fail to provide the correct hormonal and nutritional environment for embryo survival.
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About Theriogenology and Animal Reproduction
Covers the reproductive anatomy and physiology of male and female domestic animals, including puberty, oestrous cycles, ovulation, fertilisation, pregnancy, parturition and lactation. It also includes artificial insemination, semen evaluation, pregnancy diagnosis, infertility, dystocia and reproductive disorders, with attention to species differences.
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