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The Midwest Cattleman · February 24, 2022 · P24
      Artificial Insemination with a Small Beef Herd

                              By Dean Kreager, OSU Extension Ag and Natural Resources Educator
         With only 10% of beef herds  door to using the top genet- There still is a concern of sex-
      in the United States utiliz- ics in the country.  For $20 to  ually transmitted diseases
      ing Artificial  Insemination  $50 per straw you can pur- being transferred if the bull
      (A.I.), from time to time the  chase semen on nearly any  services other cattle through
      discussion arises on wheth- bull.   You also  have  the  op- lease arrangements or weak  too near insemination time
      er it is worth doing on small  tion to purchase semen from  fences.                                     can result in reduced preg-
      beef farms.   In some situa- a variety of sires to improve              The third can be a big one  nancy rates.
      tions, this is an easy answer  your genetic diversity.   Can  and that is safety.  No matter               Be sure your cows are re-
      while in other situations it is  you afford more than one bull  how calm a bull may seem it  ceiving adequate nutrition.
      not so clear cut.  Some herds  in a small herd?  New sires  is still a bull and should not  This involves testing the
      are operated with the goal of  are released every year and  be trusted.  While beef bulls  forage and monitoring body
      producing superior offspring.   on average each generation  tend to be less dangerous  condition scores.    Very  thin
      Others are trying to get in- is better than the previous  than dairy bulls there are  cows with body condition
      come from land that is not  generation.   How often can  still many people injured or  scores of 4 or less are like-
      suitable for other purposes,  you afford to replace your  killed by bulls each year.                    ly to have greatly reduced
      and they want to do it with  bull with a new model?  Fi-              But First                         fertility.   Remember that
      minimal labor.  Both are wor- nally, you have the option of                                             the nutrients a cow takes in
                                                                              Before implementing an
      thy goals but the use of A.I.  sexed semen.  Improvements             A.I. breeding program it is       first go to maintenance and
      only fits one of the two situ- continue  to  be  made  in  sex                                          second to growth.   Next the
      ations.                            sorting semen.   Current re-       crucial that your herd health     nutrients are used for pro-
                                                                            and nutrition program are
      Why use A.I.?                      sults are typically within         being taken care of.              duction which in this case is
                                                                                                              milk.  Finally, anything that
         There are many possible         10% of conventional semen            If you do not have a vac-       is left can be used for repro-
                                         pregnancy rates.
      reasons, but I will just dis-         The second is biosecurity.      cination  program  in  place,     duction.  Too often there may
      cuss three here.                   A bull brought into your herd      consult with your veterinari-     not be enough energy or pro-
         The first is genetic im-                                           an to develop a program that      tein left after maintenance,
      provement.    Whether you          has the potential to bring         will work well for your farm.     growth  and  production  take
                                         along diseases that your herd
      are raising purebred cattle        may not have been exposed          Breeding time is not the time     their share and reproduction
      and tracking EPD’s or rais-        to in the past.  A good vacci-     to vaccinate.    Vaccinations     suffers.
      ing show cattle and looking                                           should be given 5-6 weeks
      at phenotype, A.I. opens the       nation program goes a long         before breeding.  Vaccinating                   continued on page 32
                                         way in reducing these risks.
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