Percentage lamb crop weaned is important to profitable lamb production. Lamb losses from birth to weaning can greatly influence percentage lamb crop weaned. In a recent study at the Ohio Station involving 779 lambs, over-all death loss from birth to weaning was 26 per cent. Records from the Montana Experiment Station range flock (7,191 lambs) indicate a death loss of 23.5 per cent from birth to weaning. The age of lambs when most of the losses occur and the msot common causes of lamb mortality suggest a direct relationship between the health of the ewe flock and lamb mortality.
The objective of this three year study was to evaluate the influence of antibiotic supplementation on lamb livability and performance.
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South Dakota State University
Copyright © 1967 South Dakota State University
Minyard, J. A., "Antibiotic Supplementation for Pregnant Ewes" (1967). South Dakota Sheep Field Day Research Reports, 1967. 11.