"Soybean oil meal in laying rations. "; "Wightman, E. T.", "Runnels, Thomas Doyle, 1913-", "Van Landingham, Audrey Howard, b. 1905."; "Soybean meal as feed.", "Chickens--Feeding and feeds.", "Poultry--Feeding and feeds."; "Van Landingham, Audrey Howard, b. 1905.", "Runnels, Thomas Doyle, 1913-", "Wightman, E. T."; "1944"; "Journal article reprint from: Poultry Science, v.23:no.5 (1944:Sept.). "; ""; "P17002"; "pec"; "Poultry--Feeding and feeds.", "Chickens--Feeding and feeds.", "Soybean meal as feed."; "14256"; .