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Cattlemen's Day, 1988
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Browsing Cattlemen's Day, 1988 by Author

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

Now showing items 1-5 of 5

An analysis of weaning weight records in Kansas cowherds from 1968 to 1985

Perry, R.C; Simms, D.D.; Corah, L.R.; Patterson, D.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-06)

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 ...
Effect of depo-MGA on the prevention of pregnancy in grazing heifers

Corah, L.R.; Brazle, F.K.; Boyd, G.W.; Goehring, T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-22)

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 ...
Effect of hay quality and breed on the onset of puberty and subsequent reproductive performance in beef heifers

Perry, R.C.; Corah, L.R.; Cochran, R.C.; Brethour, J.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-06)

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 ...
Evaluation of MGA and Prostaglandin as an estrous synchronization procedure under field conditions

Houghton, P.L.; Corah, L.R.; Goehring, T.B. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-06)

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 ...
Evaluation of MGA and Prostaglandin as an estrous synchronization procedure under field conditions

Houghton, P.L.; Corah, L.R.; Goehring, T.B. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-12)

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 ...