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Holstein for a family cow
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<blockquote data-quote="milkmaid" data-source="post: 232481" data-attributes="member: 852"><p>A freemartin is a twin to a bull calf. More than 90% of the heifers from mixed twins are sterile. I have one and have seen quite a few others.</p><p></p><p></p><p></p><p>:nod: Statistics I heard were 30% or better of births on the dairies are twins on the dairies. Where I work we run lower than that, less than 1 out of every 10 births -including 1st calvers- BUT, some days I feel like 10-25% of 2nd calvers have twin births, don't know what it is but there's sure a lot of twins among the 2nd calvers.</p><p></p><p>Lance, freemartins tend to have BB-sized teats, and as they mature, a very under-developed udder for their age. Sometimes the vulva is abnormally small, but I don't like to call freemartins based on <em>that</em>.</p></blockquote><p></p>
[QUOTE="milkmaid, post: 232481, member: 852"] A freemartin is a twin to a bull calf. More than 90% of the heifers from mixed twins are sterile. I have one and have seen quite a few others. :nod: Statistics I heard were 30% or better of births on the dairies are twins on the dairies. Where I work we run lower than that, less than 1 out of every 10 births -including 1st calvers- BUT, some days I feel like 10-25% of 2nd calvers have twin births, don't know what it is but there's sure a lot of twins among the 2nd calvers. Lance, freemartins tend to have BB-sized teats, and as they mature, a very under-developed udder for their age. Sometimes the vulva is abnormally small, but I don't like to call freemartins based on [i]that[/i]. [/QUOTE]
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