Browsing Cattlemen's Day, 1988 by Author "Corah, L.R."

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Browsing Cattlemen's Day, 1988 by Author "Corah, L.R."

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  • Perry, R.C; Simms, D.D.; Corah, L.R.; Patterson, D.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    A data set of 33,208 individual weaning records (1968-1985) from producers within Kansas was analyzed to determine factors influencing weaning weight. In determining the effect of calving sequence (21 day periods), only ...
  • Corah, L.R.; Brazle, F.K.; Boyd, G.W.; Goehring, T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    Two field trials were conducted to evaluate various dosage levels of Depo-MGA® for preventing pregnancy in grazing heifers. Injecting Depo-formulated MGA subcutaneously in the ear at dosages of 60, 90 or 120 mg effectively ...
  • Perry, R.C.; Corah, L.R.; Cochran, R.C.; Brethour, J.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    The effect of hay quality on the onset of puberty and subsequent reproductive performance was evaluated in 51 3/4 Hereford x 1/4 Angus (HA) heifers and 47 3/4 Hereford x 1/4 Brahman (HB) heifers. Two qualities of alfalfa ...
  • Houghton, P.L.; Corah, L.R.; Goehring, T.B. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    When fed MGA (0.5 mg.hd/day) for 14 days, followed by a prostaglandin injection 17 days later, a total of 736 out of 1112 heifers at 11 locations expressed signs of estrus within 5 days following the PG injection for a ...
  • Houghton, P.L.; Corah, L.R.; Goehring, T.B. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    When fed MGA (0.5 mg.hd/day) for 14 days, followed by a prostaglandin injection 17 days later, a total of 736 out of 1112 heifers at 11 locations expressed signs of estrus within 5 days following the PG injection for a ...