Publications
This list of publications includes peer-review journal articles, official USGS publications series, reports and more authored by scientists in the Ecosystems Mission Area. A database of all USGS publications, with advanced search features, can be accessed at the USGS Publications Warehouse.
Filter Total Items: 41756
Effect of large quantities of common salt in the diet of bobwhite quail
No abstract available.
Authors
R. B. Nestler
Germinated seed vs ungerminated seed in diet of adult bobwhite quail
No abstract available.
Authors
R. B. Nestler
Vitamin A deficiency in quail
Two experiments were conducted to determine the symptoms of avitaminosis A in growing and adolescent bobwhites. Chicks from parents that have received a diet rich in vitamin A may have enough stored to carry them a week or ten days on a growing diet deficient in vitamin A before symptoms of deficiency occur. The first sign is ruffled feathering, with the wing primaries standing out from the body a
Authors
R. B. Nestler, W. W. Bailey
Polygamous mating of bobwhite quail kept in captivity
No abstract available.
Authors
R. B. Nestler, L. Llewellyn
Age determination in juvenal bobwhite quail
Following methods described by Louis Bureau (1911, 1913) in France, tabulations were made (1) of the ages at which captivity-reared bob-white quail (Colinus virginianus) dropped their juvenal remiges, and (2) the rates at which post-juvenal replacement primaries grew. These were arranged so as to permit the determination of age in healthy birds from one to five months of age. The degree of individ
Authors
George A. Petrides, Ralph B. Nestler
The Great Lakes whitefish
In every one of the Great Lakes- Ontario, Erie, Huron, Michigan, and Superior- the most valuable fishes are declining, and there is no evidence that this trend will be reversed. Under existing conditions of a diversity of regulations that vary between states and between the two countries, and with the present methods of fishing, the Great Lakes fisheries are doomed. This chapter deals with the c
Authors
John Van Oosten
The anaesthesia of fish by high carbon-dioxide concentrations
A practical and economical method for anaesthetizing adult salmon and steelhead trout in the fish trucks used in the Grand Coulee fish salvage program is described. The method consists in generating a predetermined carbon-dioxide concentration in the 1000-gallon tanks of the trucks through the successive addition of predissolved sodium bicarbonate and dilute sulphuric acid in proper quantities. Ca
Occurrence of Salmonella typhimurium infection in muskrats
No abstract available.
Authors
W.H. Armstrong
An epizootic of canine distemper in a zoological park
No abstract available.
Authors
W.H. Armstrong, C.H. Anthony
Concerning the nature of type C botulinus toxin fractions
No abstract available.
Authors
D.R. Coburn