Select Sires continues its commitment to customer-owner success with the introduction of the Elite Sexed Fertility^™ product line. In April, the cooperative began identifying sires with superior fertility sex-sorted semen using an Elite Sexed Fertility designation.

Data analysis and implementation
Select Sires has collaborated extensively in research efforts, leading to improvements in the fertility potential of sex-sorted semen, including gender SELECTed^™ SexedULTRA^™ 2M and gender SELECTed SexedULTRA^™ 4M. However, research trials and field fertility data clearly and repeatedly confirm that some sires achieve much greater conception rates than others, irrespective of sperm dosage. Simply stated, a sire’s fertility advantage can outweigh any sperm dose advantage.

Select Sires constantly monitors the success of both conventional and sex-sorted semen products through in-house fertility analysis. Fertility of conventional and sex-sorted semen are independent traits with very poor correlation. A bull that exhibits above average fertility with conventional semen is not guaranteed to exhibit above average fertility with sex-sorted semen. “Select Sires’ research and field fertility data lead us to believe that identifying sires of both 2M and 4M dosages that excel at achieving pregnancies is beneficial for our customer-owners,” explains Mel DeJarnette, Select Sires’ vice president of research and quality control. “Although there have been many advances in sex-sorting technology through the years, it remains a very expensive and inefficient process. The added cost and reduced supply created by processing at four million sperm per dose does not appear to be consistently and repeatedly offering our cooperative’s customer-owners a return on the added investment.”

Click here to read the full news release on this new designation. 

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 ^™Elite Sexed Fertility, Superior Settler Fertility PRO and gender SELECTed are trademarks of Select Sires Inc. SexedULTRA and SexedULTRA 4M are trademarks of Inguran LLC. gender SELECTed™ semen processed by Sexing Technologies for Select Sires shall be used only for the single insemination of one female bovine during natural ovulation with the intent to produce single offspring unless specifically approved on an individual customer basis by Sexing Technologies in writing. This semen is produced using the proprietary technology of XY LLC and Inguran LLC, as partially represented by U.S. Patents: 6372422, 7094527, 7208265, 7371517, 6357307, 7723116, 7758811 and 7799569. Patents pending in U.S. and foreign markets. XY® is a trademark of XY LLC. All gender SELECTed semen is processed using SexedULTRA technology.