Improvement of fertility in repeat breeder dairy cattle by embryo transfer following artificial insemination: possibility of interferon tau replenishment effect

• Main Authors: Hikari YAGINUMA (Author), Natsumi FUNESHIMA (Author), Nao TANIKAWA (Author), Motoharu MIYAMURA (Author), Hideki TSUCHIYA (Author), Tatsuo NOGUCHI (Author), Hisataka IWATA (Author), Takehito KUWAYAMA (Author), Koumei SHIRASUNA (Author), Seizo HAMANO (Author)
• Format: Book
• Published: The Society for Reproduction and Development, 2019-02-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Repeat breeder cattle do not become pregnant until after three or more breeding attempts; this represents a critical reproductive disorder. Embryo transfer (ET) following artificial insemination (AI) in repeat breeder cattle reportedly improves pregnancy rate, leading to speculation that interferon...