Article
Cloned Cattle Fetuses with the Same Nuclear Genetics Are More Variable Than Contemporary Half-Siblings Resulting from Artificial Insemination and Exhibit Fetal and Placental Growth Deregulation Even in the First Trimester1
1 Jan 2004
Abstract excerpt
The cloning of cattle by somatic cell nuclear transfer (NT) is associated with a high incidence of abnormal placentation, excessive fluid accumulation in the fetal sacs (hydrops syndrome), and fetal overgrowth. Fetal and placental development was investigated at Day 50, during placentome formation; at Day 100, when placentation was completed; and at Day 150, when the hydrops syndrome frequently develops. The NT...
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