Page 19 - MWC 08-19-2021s
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have  around 25%  that  we  30 days later we ultrasound.                                   The Midwest Cattleman · August 19, 2021 · P19
      wouldn’t keep based on our  Any of the open females we
      criteria. For us, we want to  find at the 90-day mark go to           that a female
      maintain the maternal traits,  the feed yard along with the           was  bred  in
      which will come first, but we  initial 20% we pulled off and          the     second
      also want to put pressure on  didn’t breed. Those cattle all          half of the
      carcass traits and end prod- go to the feed yard togeth-              60-day expo-
      uct merit.  That’s where we  er. With ultrasound, we find             sure, she will
      have been heading with bull  out which females conceived              be sold as a
      selection, and I  would take  in the first 30 days, which is          bred     heifer.
      the same approach with our  all of the AI breds, plus we’ll           While the cur-
      heifers.”                          have a small percentage that       rent process
         This dedication to data  were bred with the first heat             doesn’t    rely
      has laid a foundation that  of natural service.”                          continued on
      currently allows Blew to use          If the ultrasound shows                  page 25
      a more general selection pro-
      cess  for  the  purpose  of  ex-
      panding. Selecting heifers
      currently includes removing
      the bottom end, and then
      placing extreme emphasis on
      fertility. Blew says, “We will
      do a pelvic measure and get
      a reproductive tract score,
      and when we do that — in-
      cluding our freemartins and
      everything else — there are
      around  20% that  fall out.
      Those cattle go, and then we
      literally just set the rest up
      for AI.” He continues, “We pull
      heats, and time AI anything
      that doesn’t come in, and we
      put cleanup bulls in for 60
      days. We pull the bulls, and




             Callaway

             Livestock

           Center, Inc.

            On I-70, 4 miles east of
        Kingdom City, MO on outer road

              573-642-7486


             Feeder Sale
                Monday

               12:30 p.m.



         1st Thursday Night
            of Each Month

                6:00 p.m.
          Special Cow Sale





             Jack Harrison
               573-386-2138

           John P. Harrison

               573-386-5150
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