I think Narus was a bit of a pain, but when I asked about the move, the keepers said it was just studbook/genetics as to why he went instead of Murchison etc. They said as far as they know, he's doing well with all his ladies.Narus' move was documented on SLOTZ.
He appeared quite bold and I think he was a bit of a trouble maker although I don't know this for definite just from what I remember. Hopefully Murchison and Sanyu will move this year.
According to Animal Park last year Rothschild breeding was to be halted for a few years as there had been such an increase in breeding but obviously some cows were already pregnant.