Chromosomal Aneuploidy Associated with Spontaneous Abortions and Neonatal Losses in Cattle

Abstract excerpt

Pericardial sac samples from 77 bovine aborted fetuses and stillborn calves were submitted for tissue culture; cells from 55 of these samples were grown successfully in culture. Six of the 55 karyotyped fetuses (10.7%) had an abnormal chromosome complement, in 3 of which (5.5%) the abnormality was probably the cause of death. This level of abnormality is relatively high when one considers that most fetuses were...

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