Seasonal infertility caused by high ambient temperatures and humidity during the summer months can have negative effects on the reproduction of female swine. These conditions may cause heat stress leading to large economic ...

[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Reproductive management is a major economic concern in the dairy industry. Long intervals between TAI increases the days open and decrease the 21 day ...

Disappearance of the progesterone receptor (PGR) from the uterine luminal epithelium (LE) is essential for cyclicity and pregnancy in pigs. In humans, three PGR mRNA isoforms (PGR-A, PGR-B and PGR-C) arise from alternative ...

Heat stress caused by high ambient temperatures causes seasonal infertility in sows, leading to decreased production and a loss in reproductive efficiency. The objective of these studies was to specifically determine the ...

Embryonic loss in dairy cows continues during the fifth and sixth weeks of pregnancy in lactating dairy cows. There is an association between smaller embryos and pregnancy loss during this period. The objective was to ...

Timed AI (TAI) programs have increased reproductive efficiency in dairy herds, but conception rates to TAI remain below 50% for most herds. The low TAI pregnancies per AI (P/AI) is partially explained by cows that do not ...

[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Reproductive management is an important factor for improving reproductive efficiency in the dairy industry. Reproductive efficiency affects the ...