> Mark: welcome to the beef cow calf
> business. I will try to explain a
> little about how the upgrading
> system works with Murray Greys in
> North America. You didn't state
> whether your cross cow was sired
> by a Murray grey or not but I will
> assume so, as it appears that you
> have purchased from someone that
> is using Murray Grey bulls. So if
> your cow is registered it will be
> recorded in the Herd Book as a 50%
> and your pedigree will have the
> lineage of the cows sire
> indicated. The heifer calf
> offsping of this registered 50%
> cow and the registered purebred
> Murray Grey bull is eligible to be
> registered and recorded in the
> Herd Book at 75% (3/4 Murray
> Grey). This 3/4 heifer when bred
> to a registered purebred Murray
> Grey bull will have a 7/8 calf. If
> the 7/8 calf is a heifer then it
> can be registered and entered in
> the Herd Book as a Purebred, if
> the calf is a bull then it can be
> registered and is recorded in the
> Herd Book as a 87.5% (7/8). Only
> Purebred Murray Grey bulls can be
> used to upgrade to Purebred
> status. In an upgrading program
> bulls are considered Purebred at
> 15/16 (93.75%). I hope this has
> helped in clarifying upgrading
> that is permitted within Murray
> Greys in North America. If you
> require further explaination
> please ask more question or
> contact the Murray Grey
> International office. Thank you for the info. it was really helpfull .Mark
> <A HREF="http://www.mgi-inc.org" TARGET="_blank">http://www.mgi-inc.org</A> Kevin
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