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Breeding / Calving Issues
Bull fertility: how early?
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<blockquote data-quote="waihou" data-source="post: 387660" data-attributes="member: 6511"><p>Hi everyone, I'm the Murray Grey breeder Putangitangi mentioned. I've lurked on here for awhile and as I too come from the Land of the Long White cloud- New Zealand, some of the terms used here are a little unfamiliar-so I've been learning!</p><p></p><p>Yes, we seperate bull calves and their dams from the heifer calves and their dams when they are about 4-5 months of age. We calve July/August and wean in April. I don't usually see heifers cycling till they are about 6 months but more usually 7 to 8 months. In 28 years of breeding Murray Greys I have been caught twice with heifers still on their dams, visited by a bull who ignored a couple of gates in the way. Both times they calved at around 17 months of age and unassisted. </p><p></p><p>Yes, they are a lovely breed, and not very numerous in NZ, one of the minority beef breeds- but quite popular for use in dairy herds over first calving dairy bred heifers. I may just have to post some photos!</p></blockquote><p></p>
[QUOTE="waihou, post: 387660, member: 6511"] Hi everyone, I'm the Murray Grey breeder Putangitangi mentioned. I've lurked on here for awhile and as I too come from the Land of the Long White cloud- New Zealand, some of the terms used here are a little unfamiliar-so I've been learning! Yes, we seperate bull calves and their dams from the heifer calves and their dams when they are about 4-5 months of age. We calve July/August and wean in April. I don't usually see heifers cycling till they are about 6 months but more usually 7 to 8 months. In 28 years of breeding Murray Greys I have been caught twice with heifers still on their dams, visited by a bull who ignored a couple of gates in the way. Both times they calved at around 17 months of age and unassisted. Yes, they are a lovely breed, and not very numerous in NZ, one of the minority beef breeds- but quite popular for use in dairy herds over first calving dairy bred heifers. I may just have to post some photos! [/QUOTE]
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Bull fertility: how early?
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