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184769 results.

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Page 6856, results 171376 - 171400

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Publication Extents

Not all publications have extents, not all extents are completely accurate
A possible cause of sunburn in fish
1958, Progressive Fish-Culturist (20) 111-113
A LESION DESCRIBED AS A GRAY ΡATCH GENERALLY LOCATED ΑΝΤΕRIOR TO THE DORSAL FIN has been associated with high mortality of fish on numerous occasions in production hatcheries throughout the United States. This lesion has been called "sunburn" or "backpeel." No bacteria or other pathogens have been found in fish...
Rapid counting of nematoda in salmon by peptic digestion
Joseph A. Stern, Diptiman Chakravarti, Joseph R. Uzmann, M. N. Hesselholt
1958, Special Scientific Report - Fisheries 255
The nematode parasite Anisakis sp. can be recovered, relatively unaltered, from chum salmon musculature by high temperature (52°+2°C.) peptic digestion of the flesh. The procedure, which is presented in detail, appears to be more thorough in isolating the parasite than dissection of the flesh and manual isolation of the worms. In...
Preliminary report on engineering geology of thirteen tunnel sites, Nevada Test Site
Verl Richard Wilmarth, Francis Alexander McKeown, Ernest Dobrovolny
1958, Trace Elements Memorandum 773
Reconnaissance of 13 areas in and adjacent to Nevada Test Site was completed. Of the 13 areas, Forty Mile Canyon, South-central Shoshone Mountain, and Southeast Shoshone Mountain named in order of preference, offer many advantages for carrying on future underground nuclear explosions....
Distemper in raccoons and foxes suspected of having rabies
R.T. Habermann, C. M. Herman, F.P. Williams Jr.
1958, Journal of the American Veterinary Medical Association (132) 31-35
1) Twenty-one raccoons and 3 red foxes were collected from areas where suspected rabies occurred. All were found to be nonrabid. 2) Distemper was diagnosed in 14 of the 21 raccoons by demonstrating intracytoplasmic and intranuclear inclusions in the brain and visceral tissues. Two of the 3 foxes...
Chemicals and wildlife
J.B. DeWitt, P. F. Springer
1958, Alabama Conservation (29) 6-7
Short paper that reviews some of the facts about effects of insecticides on wildlife and states principles that should be followed for maximum safety in treatment. These principles include minimal doses, good ground-to-plane control to avoid overdoses, and least possible pollution of water areas....
Calcium, phosphorus and protein levels as factors in the distribution of the pheasant
F.H. Dale, J.B. DeWitt
1958, Transactions of the North American Wildlife Conference (23) 291-295
Summary of work on pheasant nutrition conducted since 1949 at the Patuxent Research Refuge. Pheasant chicks fed experimental diets failed to develop normally on protein levels of 15 and 18%. With 22% protein they grew at a reduced rate as compared to those on 28%. Protein level of the reproductive...
Distribution and migration of races of the mourning dove
J.W. Aldrich, A.J. Duvall
1958, Condor (60) 108-128
The Mourning Dove is a widespread species breeding in the non-boreal regions of North and Middle America and from the West Indies south to Panama. It is hunted extensively in many sections of the United States and in some sections of Canada, the West Indies, and Mexico....The trends in geographic...