A.S. Series 73-20
Do modem laying hens need antibiotics for maximum reproductive performance? Although previous reports have shown little or no advantage for their use, there needs to be an occasional check made on this question. Pullets were made available for such a study at the Poultry Research Center this year.
Number of Pages
Department of Animal Science, Agricultural Experiment Station, South Dakota State University
Holmquist, C. E.; Nelson, R. A.; and Carlson, C. W., "Neo-Terramycin and Egg Production" (1973). South Dakota Poultry Field Day Proceedings and Research Reports, 1973. 9.