A new Robertsonian translocation was found in a cow of the Holstein-Fr
iesian breed. GTG-banding allowed us to elucidate the anomaly as a cen
tric fusion between chromosomes 19 and 21. CBG-banding demonstrated th
at the translocated chromosome was dicentric. Cytogenetic investigatio
n of the relatives of the translocated animal revealed two other carri
ers.