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Cattle Boards
Breeding / Calving Issues
Calving window
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<blockquote data-quote="bmoore87" data-source="post: 1087510" data-attributes="member: 21684"><p>Hi everyone I am looking for some advice regarding changing our cows calving window here in Iowa. I started working my cows in with my dads about a year ago and have been making some changes in how we run them. Currently we calve starting in the end of march and end in late October. The majority of the cows (about 250) calve from March to mid June with the last 70 or so spread out until October. I tried to AI and use some synchronization with natural service on some this past summer to try and help catch some of them born in July/ august up. I was thinking of calving March-June and in the fall September through October which may lead to some more opens than the 4-5 we currently have each year. Also many of those that have fallen behind are older cows of my dads and will probably be culled in the next few years so I am not sure if it is worth trying to make changes at this point with them. So I'm looking for your advice on first if you would make the change and if so the best way to go about it.</p><p></p><p>Thanks for the help in advance.</p></blockquote><p></p>
[QUOTE="bmoore87, post: 1087510, member: 21684"] Hi everyone I am looking for some advice regarding changing our cows calving window here in Iowa. I started working my cows in with my dads about a year ago and have been making some changes in how we run them. Currently we calve starting in the end of march and end in late October. The majority of the cows (about 250) calve from March to mid June with the last 70 or so spread out until October. I tried to AI and use some synchronization with natural service on some this past summer to try and help catch some of them born in July/ august up. I was thinking of calving March-June and in the fall September through October which may lead to some more opens than the 4-5 we currently have each year. Also many of those that have fallen behind are older cows of my dads and will probably be culled in the next few years so I am not sure if it is worth trying to make changes at this point with them. So I'm looking for your advice on first if you would make the change and if so the best way to go about it. Thanks for the help in advance. [/QUOTE]
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