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This study was conducted to establish guidelines for monitoring bulk tank milk somatic cell count and bacterial counts, and to understand the relationship between different bacterial groups that occur in bulk tank milk. One hundred twenty-six dairy farms in 14 counties of Pennsylvania participated, each providing one bulk tank milk sample every 15 d for 2 mo. The 4 bulk tank milk samples from e...

The process of 'cell reprogramming' can be achieved by somatic cell nuclear transfer, cell fusion with embryonic stem cells, exposure to stem cell extracts, or by inducing pluripotentcy mediated by defined factors giving rise to what are termed induced pluripotent stem cells. More recently, the fate of a somatic cell can be directly induced to uptake other cell fates, termed lineage-specific re...