Faculty of Veterinary Medicine University of Zagreb
Abstract
The birth of live heterosexual quadruplets (three females and one male) in a river buffalo is a very rare event and hence it is documented. The cytogenetic study revealed the female calves and the dam exhibited 2n = 50, XX chromosome complement and the male calf exhibited 2n = 50, XY chromosome complement and this proves that the female calves are not freemartins, that in buffaloes the heifer calves born with bull calves need not always be freemartins.Rođenje živih heteroseksualnih četvorki (tri ženska i jedan muški mladunac) u azijskoga vodenoga bivola događa se vrlo rijetko. Citogenetska istraživanja pokazala su da su ženska telad i majka imali 2n = 50, XX kromosoma, a muško tele 2n = 50, XY kromosoma. To pokazuje da u ženske teladi nije bio izražen frimartinizam te da bivolske junice oteljene zajedno s bivolima nisu uvijek nužno frimartine
