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Kansas Agricultural Experiment Station Research Reports
1974; Report of progress (Kansas State University. Agricultural Experiment Station); 210; Beef; Ovulation; Estrus; Conception; Heifers
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Effect Of Sound Stress On Ovulation, Estrus, And Conception In Beef Heifers, G. Heersche Jr., G. Kiracofe, M. Mckee, D.R. Ames
Effect Of Sound Stress On Ovulation, Estrus, And Conception In Beef Heifers, G. Heersche Jr., G. Kiracofe, M. Mckee, D.R. Ames
Kansas Agricultural Experiment Station Research Reports
Thirty of the 50 heifers used in estrous synchronization studies and that received prostaglandin and Syncro-Mate B to synchronize estrus were subjected to sound stress for 48 hours after prostaglandin was injected. Fifty-nine percent of 29 sound-stressed heifers that showed estrus within 5 days conceived when artificially inseminated compared with 72 percent of 18 nonstressed heifers.