JL Hutchison, HD Norman - Theriogenology, 2009 - ars.usda.gov
The objectives were to characterize sexed semen available and its usage from US field data. This included investigating active Holstein proven bulls with sexed semen available, as well …
HD Norman, JL Hutchison, RH Miller - Journal of dairy science, 2010 - Elsevier
Use of sexed semen for artificial insemination of US Holstein heifers (1.3 million breedings) and cows (10.8 million breedings) in Dairy Herd Improvement herds was characterized by …
JM DeJarnette, RL Nebel, CE Marshall - Theriogenology, 2009 - Elsevier
These data summarize on-farm records of dairy herds (n= 211) using sexed semen. Sexed semen was predominantly used at first and second service in virgin heifers, which is …
A De Vries, M Overton, J Fetrow, K Leslie, S Eicker… - Journal of dairy …, 2008 - Elsevier
Widespread commercial application of sexed semen is expected within the next decade because of continued improvements in fertility of sexed semen and sorting capacity. The …
The use of beef semen on dairy cows has been increasing steadily since 2017. We aimed to describe dairy management practices toward the use of beef semen by surveying farmers in …
The dairy industry has used sexed-semen to increase the number of heifer calves born on the farm for over a decade. While the efficacy of sexed-semen has been determined …
GE Seidel Jr, JM DeJarnette - Animal Reproduction Science, 2022 - Elsevier
Successful sorting of sperm based on presence of the X-or Y-chromosome was first reported in the early 1980′ s with the first live births reported in rabbits in 1988. Subsequent …
The objective of this experiment was to compare reproductive performance and weaning outcomes of beef cows inseminated with sexed or conventional semen. Over 2 consecutive …
The economic value of using beef semen in dairy herds depends on the market value of calves (crossbred beef and dairy), market price of semen (beef, conventional, and sexed) …