Publications
This is a list of publications written by Patuxent employees since Patuxent opened in 1939. To search for Patuxent's publications by author or title, please click below to go to the USGS Publication Warehouse.
Filter Total Items: 8199
Storage by bobwhite quail of Vitamin A fed in various forms
According to studies conducted with 236 bobwhite quail chicks at Patuxent Research Refuge, crystalline carotene in cottonseed oil fed at levels of 3000 I.U. (the requirement for optimum growth), 5000 I.U., and 25,000 I.U. per pound of feed, was utilized only 1/3 to 1/7 as efficiently as vitamin A alcohol; 1/2; to 1/10 as natural vitamin A ester; and 1/4 to 1/17 as vitamin A acetate, based on the s
Authors
R. B. Nestler, J.V. Derby, J.B. DeWitt
Twelfth breeding-bird census: 4. Damp deciduous scrub with numerous standing dead trees
No abstract available.
Authors
S. Oresman, J. Tiffany, C.S. Robbins
Calcium and phosphorus requirements of bobwhite quail chicks
Four experiments involving 873 bob-white quail (Colinus virginianus) chicks were conducted at the Patuxent Research Refuge, Laurel, Maryland. A comparison was made of calcium: phosphorus ratios of 1:1, 15:1, 1%: 1, 2:1, 2+:1,and 2%: 1in diets with phosphorus levels of 0.52, 0.75, 1.00, and 1.25 percent. The results indicate that the optimum level of phosphorus for growth is in the neighborhood of
Authors
R. B. Nestler, J.B. DeWitt, J.V. Derby, M. Moschler
Effects of DDT and other insecticides on fish and wildlife: Summary of investigations during 1947
No abstract available.
Authors
J.P. Linduska, E. W. Surber
Populations and home range relationships of the box turtle, Terrapene carolina (Linnaeus)
This field study was conducted at the Patuxent Research Refuge, Laurel, Maryland, during the years 1944-1947.
Authors
L. F. Stickel
Vegetation of the Patuxent Research Refuge, Maryland
No abstract available.
Authors
Neil Hotchkiss, Robert E. Stewart