Page 52 - Jensen Ranch Annual Bull Sale
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HETEROSIS                                          Economic and production benefits associated with



        PAYS                                               heterosis are documented by decades of industrywide
                                                           research in commercial crossbreeding systems.







                                                        DIRECT HETEROSIS

                                                        Increased performance of the crossbred calf relative to the average of
                                                        the straightbred parental breeds.
                                                        + 1.9% Survival to weaning                                              REPLACEMENT
                                                        + 3.9% Weaning weight
                                                        + 2.6% Post weaning gain
                                                        + 3.8% Yearling weight
                                                        + 2.2% Feed conversion





        MATERNAL HETEROSIS



        Increased performance of the crossbred cow relative to the average of
        straightbred females of the parental breeds.
        + 3.7% Calving rate
        + 3.8% Weaning weight
        + 38.0% Longevity
        + 17.0% Number of calves
        + 25.3% Cumulative weaning weight

          Primary crossbreeding advantages are improvement of lowly
        heritable traits, such as those associated with reproduction,   •  $51 more per cow per year in net present value
        which are difficult to impact through direct selection pressure.   (2009 calculation)
        Small, net-positive effects in multiple traits affecting commercial   •  3.5% more average rate of return on assets
        cow-calf profitability — pregnancy rate, calf livability, calf   •  2 pounds less pasture forage per day while maintaining                  301________ 302________ 303________ 304________  305________
        health, etc. — yield significant returns that are difficult to   more body condition 1
        measure. Crossbreeding value is most visible in the increased                                                                                306________ 307________ 308________ 309________ 310________
        number of calves (lifetime), cow longevity and cumulative   Black baldy cows require 1 acre less of moderate-quality forage                  311________ 312________ 313________ 314________ 315________
        weaning weight (lifetime).                             per year compared to straightbred black Angus peers, according                        316________ 317________ 318________ 319________320________
        Hereford Heterosis Pays More                           to Oklahoma State University research. 1                                                            321________ 322________ 323________
          Hereford genetics offer more crossbreeding power because
        they are the least related to other Bos Taurus breeds, as   Hereford-sired black baldy steer advantages:
        documented by the U.S. Meat Animal Research Center       •  Heavier weaning weights
        (USMARC) 2000 Bull Project. Plus, Hereford’s unique, inherent   •  Increased feed efficiency
        genetic advantages compared to other breeds offer added breed   •  Lower cost of gain                                                        lot 401
        complementarity, especially when crossed with Angus. Hereford   •  Lower feedlot breakeven
        advantages include: docility, fertility, feed efficiency in the   •  $28 per head less feed cost across finishing period
        pasture and feedlot, longevity, and production efficiency.                                                                    5 BLACK WHITE FACE REPLACEMENT HEIFERS
                                                                 Based on feed efficiency alone — breed differences documented             consigned by Wyatt Durst, Morrowville, Kansas
        Hereford-sired black baldy female advantages:          by the USMARC — Hereford has a $51 per head advantage                                    785-541-0904
          • 7% higher pregnancy rate                           over the finishing period, when compared to Angus. Hereford’s
                                                                                                          2
          • More calves weaned per cow exposed                 economic advantage increases as feed costs rise.
        1 On average, Oklahoma State University researchers measured about 2 pounds per day less moderate-quality forage (Oklahoma pasture) intake in the black
         baldy cows. On an annual basis the black baldy cows would be expected to consume about 725 pounds less forage.
        2 Calculation based on breed differences for feed efficiency documented by the U.S. Meat Animal Research Center, using current feed costs (Oct. 2022).
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