科学

Cows deliver healthy calves without embryonic protein long thought essential for pregnancy

来源: Phys.org · 发布于 2026年10月8日 23:20

For decades, scientists have believed that a protein called interferon tau (IFNT) is indispensable for pregnancy in cattle. Produced by the early embryo, it was thought to signal its presence to the…

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• #protein
• #thought
• #indispensable
• #scientists
• #interferon