Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16783
Protein requirements of breeding bobwhite quail
No abstract available.
Authors
R. B. Nestler, W. W. Bailey, M.J. Rensberger, M.Y. Benner
Winter protein requirements of bobwhite quail
Three experiments involving 714 bobwhite quail were conducted at the Patuxent Research Refuge, Bowie, Maryland, during the winters of 1939-1941 to determine the protein requirement of quail maintained throug'h the winter.....Considering survival, live weights, feed consumption, and subsequent reproduction by the birds, the-9 to 13 per cent levels of crude dietary protein gave as good results as hi
Authors
R. B. Nestler, W. W. Bailey, L. M. Llewellyn, M.J. Rensberger
Abnormal feathering of pen-reared bobwhites
No abstract available.
Authors
R. B. Nestler, L. Llewellyn
Variations in nitrogen content and fish production in smallmouth black bass ponds
No abstract available.
Authors
E. W. Surber
Further studies on the nutritional requirements of Colpoda duodenaria
No abstract available.
Authors
L. Garnjobst, E.L. Tatum, C.V. Taylor
Use of sodium arsenite for controlling submerged vegetation in fishponds
No abstract available at this time
Authors
E. W. Surber
A new polymastigine flagellate, Costia pyriformis, parasitic on trout
No abstract available.
Authors
H.S. Davis
Some economically important parasites of the wild turkey and Hungarian partridge of Pennsylvania
No abstract available.
Authors
E. Wehr, D.R. Coburn
A comparative study of the breeding bird population of Shenandoah Mountains, Virginia
WHILE working on habitat studies of the Ruffed Grouse (Bonasa umbellus) in the George Washington National Forest during the late spring and early summer of 1941, the author found it possible to carry out a supplemental study on the relative abundance of the breeding birds of the area. Since considerable time was spent in traversing certain sections of the forest in search of Ruffed Grouse broods,
Authors
R. E. Stewart
Bachman's sparrow in Maryland
The Bachman's Sparrow (Aimophila aestivalis bachmani) is known to be quite rare and irregular in distribution in the northern part of its range. Because of this the northern limits of its range have been rather ill-defined. According to the A. 0. U. Check-List, Fourth Edition: 343, 1931, this bird ranges north to central Virginia in the eastern part of its range and is casual near Washington, D. C
Authors
R. E. Stewart, B. Meanley