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Tests Of Variations Of The Abernathy Salmon Diet 1970
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Book Synopsis Tests of Variations of the Abernathy Salmon Diet, 1970 by : Laurie G. Fowler
Download or read book Tests of Variations of the Abernathy Salmon Diet, 1970 written by Laurie G. Fowler and published by . This book was released on 1972 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1970 fall chinook salmon feeding trials indicated that dry pelleted diets were equal to moist pelleted diets with similar formulations. A superior diet was produced by reducing the ratio of dried whey product and wheat germ meal to 1:1 and eliminating cottonseed meal. This formulation feed at a 45-percent protein level was more efficient than other protein levels fed. Growth was not reduced when the soybean oil supplement was lowered from 6 to 2 percent of the diet. Two corn distillers' products that were substituted as partial replacements for dried whey product did not enhance fish growth. Storage of the Abernathy dry pellet at room temperature did not alter the nutritional adequacy of the diet.
Book Synopsis Technical Papers of the Bureau of Sport Fisheries and Wildlife by :
Download or read book Technical Papers of the Bureau of Sport Fisheries and Wildlife written by and published by . This book was released on 1972 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Papers of the U.S. Fish and Wildlife Service by :
Download or read book Technical Papers of the U.S. Fish and Wildlife Service written by and published by . This book was released on 1974 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in Young-of-the-year Fish Stocks During and After Filling of Lake Oahe, an Upper Missouri River Storage Reservoir, 1966-74 by : Fred C. June
Download or read book Changes in Young-of-the-year Fish Stocks During and After Filling of Lake Oahe, an Upper Missouri River Storage Reservoir, 1966-74 written by Fred C. June and published by . This book was released on 1976 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abundance increased and was highest in the lower third of the reservoir while it was filling, whereas it decreased and was generally highest in the upper two-thirds of the reservoir after it was filled. Abundance of species produced in littoral areas was greater wwhile the reservoir was filling -- particularly in years when spring water levels covered vegetation, fluctuated little, and were maintained through May or longer -- than after the reservoir was filled.
Book Synopsis Technical Papers of the Bureau of Sport Fisheries and Wildlife by : United States. Bureau of Sport Fisheries and Wildlife
Download or read book Technical Papers of the Bureau of Sport Fisheries and Wildlife written by United States. Bureau of Sport Fisheries and Wildlife and published by . This book was released on 1966 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicity of Some Insecticides to Four Species of Malacostracan Crustaceans by : Herman O. Sanders
Download or read book Toxicity of Some Insecticides to Four Species of Malacostracan Crustaceans written by Herman O. Sanders and published by . This book was released on 1972 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acute and long-term (20-day) toxicities of 40 insecticides to four species of freshwater malacostracan crustaceans (the scud, crayfish, glass shrimp, and aquatic sowbug) were determined in static and intermittent-flow bioassays. An extremely wide range in toxicity was found with scuds generally being the most sensitive, followed in descending order by glass shrimp, sowbugs, and crayfish.
Book Synopsis Ecology of Larval Fishes in Lake Oahe, South Dakota by : William Roland Nelson
Download or read book Ecology of Larval Fishes in Lake Oahe, South Dakota written by William Roland Nelson and published by . This book was released on 1980 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The time and location of spawning, food and larvae, and habitats used as nursery areas by young-of-the-year fishes were studied from 1972 to 1975 in South Dakota waters of Lake Oahe, a main stem Missouri River reservoir. Sampling locations were in the tributary rivres -- the Grand Moreau, and Cheyenne -- and their embayments. Year-class strength of river-spawning species was strongly correlated with river flow rates during the spawning season. Success of reservoir-spawning species was primarily dependent on above-average water levels, which inundated terrestrial vegetation to provide a substrate for egg deposition and cover for larvae. Preserving adequate streamflow and enhancing reservoir shoreline areas by managing water levels, seeding vegetation, and eliminating grazing alongshore would probably ensure adequate reproduction of most areas.
Book Synopsis Clinical Methods for the Assessment of the Effects of Environmental Stress on Fish Health by : Gary A. Wedemeyer
Download or read book Clinical Methods for the Assessment of the Effects of Environmental Stress on Fish Health written by Gary A. Wedemeyer and published by . This book was released on 1977 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clinical methods are presented for biological monitoring of hatchery and native fish populations to assess the effects of environmental stress on fish health. The choice of methods is based on the experience of the authors and the judgment of colleagues at fishery laboratories of the U.S. Fish and Wildlife Service. Detailed analysis methods, together with guidelines for sample collection and for the intrepretation of results, are given for tests on blood (cell counts, chloride, cholesterol, clotting time, cortisol, glucose, hematocrit, hemoglobin, lactic acid, methemoglobin, osmolality, and total protein); water (ammonia and nitrate content); and liver and muscle (glycogen content).
Book Synopsis Biology of the Redtail Surfperch (Amphistichus Rhodoterus) from the Central Oregon Coast by : Donald E. Bennett
Download or read book Biology of the Redtail Surfperch (Amphistichus Rhodoterus) from the Central Oregon Coast written by Donald E. Bennett and published by . This book was released on 1977 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data on certain aspects of the life history of the redtail surfperch were collected along the central coast of Oregon, from April 1967 through April 1969. Annulus formation occured during February through June, usually earlier in young than in older fish. Mating occurred from late December to early January, and the young were born from July through September. The number of embryos per female ranged from 1 to 39 (mean 13.3) and increased linearly with the length and weight of the females. Food of the fish from the surf zone included crustaceans (by far the most important group in both frequency of occurrence and total volume) and (in order of decreasing importance) fishes, mollusks, and polychaetes. Parasites of the redtail surfperch were immature nematodes (Anisakinae) ; the digenetic trematode Genitocotyle acirra; the monogenetic trematode, Diclidophora sp.; and the copepods, Caligus sp., Clavella sp., and Argulus catostomi.
Book Synopsis Reproduction of Spotted Bass, Micropterus Punctulatus, in Bull Shoals Reservoir, Arkansas by : Louis E. Vogele
Download or read book Reproduction of Spotted Bass, Micropterus Punctulatus, in Bull Shoals Reservoir, Arkansas written by Louis E. Vogele and published by . This book was released on 1975 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spotted bass, Micropterus punctulatus, were studied in Bull Shoals Reservoir during 1966-71 to determine some of the environmental requirements for successful spawning and to estimate the reproductive potential of the species.
Book Synopsis Immune Response and Antibody Characterization of the Channel Catfish (Ictalurus Punctatus) to a Naturally Pathogenic Bacterium and Virus by : Charles M. Heartwell
Download or read book Immune Response and Antibody Characterization of the Channel Catfish (Ictalurus Punctatus) to a Naturally Pathogenic Bacterium and Virus written by Charles M. Heartwell and published by . This book was released on 1975 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Partial antibody characterization indicates that specific channel catfish immunoglobulins are macroglobulins with characteristics like those of most fish immunoglobulins and similar to those of human immunoglobulin-M.
Book Synopsis Chemical Forest Fire Retardants by : W. Waynon Johnson
Download or read book Chemical Forest Fire Retardants written by W. Waynon Johnson and published by . This book was released on 1977 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Toxicities of four chemical forest fire retardants, Fire-Trol 100 and 931 (ammonium sulfate, or polyphosphate with an attapulgit clay thickner) and Phos-Chek 202A and 259 (diammonium phosphate with guar gum derivative thickner) were determined by static and flow-through toxicity tests for fry and fingerling coho salmon and rainbow trout; fingerling fathead minnows, bluegills, and largemouth bass; and mature scuds. In static tests, Phos-Chek formulations were more toxic than either of the Fire-Trol formulations to scuds and all life stages of fish. In salmon and trout, fry were generally more susceptible than fingerlings to all formulations; yolk-sac fry were more susceptible than swim-up friy. Toxicities of all formulations to salmon and trout were similar at 6 to 11 degress centigrade. Un-ionized ammonia is believed to be the most toxic component of thes fire retardants.
Book Synopsis Acrolein, Dalapon, Dichlobenil, Diquat, and Endothal by : Leroy C. Folmar
Download or read book Acrolein, Dalapon, Dichlobenil, Diquat, and Endothal written by Leroy C. Folmar and published by . This book was released on 1977 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Toxicity tables for the herbicides acrolein, dalapon, dichlobenil, diquat, and endothal list the test organisms, types of tests, experimental conditions, and test results. Each table is followed by a list of references. The materials provide a useful source of toxicity data on these herbicides to researchers, regulatory agencies, and manufacturers.
Book Synopsis Thermal Characteristics of Lake Michigan, 1954-55 by : John F. Carr
Download or read book Thermal Characteristics of Lake Michigan, 1954-55 written by John F. Carr and published by . This book was released on 1973 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The thermal regime of Lake Michigan is described on the basis of analysis of 1,671 bathythermograph casts made in 1954 and 1955. The beginning, duration, and geographic extent, and ending of thermal stratification were determined from 51 thermal profiles from all areas of the open lake.
Book Synopsis Biological Studies on the Hemoflagellates Cryptobia Cataractae and Cryptobia Salmositica by : R. E. Putz
Download or read book Biological Studies on the Hemoflagellates Cryptobia Cataractae and Cryptobia Salmositica written by R. E. Putz and published by . This book was released on 1972 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies on two hemoflagellates of fish were carried out to determine biological parameters: host range, vector relations, in vivo culture, in vitro culture, pathogenicit, and cryogenic preservation.
Book Synopsis Abate - Effects of the Organophosphate Insecticide on Bluegills and Invertebrates in Ponds by : Herman O. Sanders
Download or read book Abate - Effects of the Organophosphate Insecticide on Bluegills and Invertebrates in Ponds written by Herman O. Sanders and published by . This book was released on 1981 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Application of the organophosphate insecticide Abate three times (at about monthly intervals) to duplicate 0.04 ha earthen ponds at 18 g/ha (4 micrograms/liter) -- the recommended application rate -- and 180 g/ha (40 micrograms/liter) caused no mortality on blugills. In ponds treated with 18 g/ha fewer bluegill fry were produced than in control ponds, brain acetylcholinesterase (AChE) activity was not affected, and accelerated growth of both fry and adults appeared to result from heavy feeding on dead or moribund Diptera larvae that resulted from the first two applications of Abate. The routine use of Abate at the recommended rate should have little adverse effect on fishery resources.
Book Synopsis Chlorinated Hydrocarbons as a Factor in the Reproduction and Survival of Lake Trout (Salvelinus Namaycush) in Lake Michigan by :
Download or read book Chlorinated Hydrocarbons as a Factor in the Reproduction and Survival of Lake Trout (Salvelinus Namaycush) in Lake Michigan written by and published by . This book was released on 1981 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
