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Articles 107011 - 107040 of 113612
Full-Text Articles in Entire DC Network
'Nature In Miniature' Described By Writer, Jessie Maye Smith
'Nature In Miniature' Described By Writer, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Rich Coloring, Striking Patterns Trademarks Of Ducks, Teals, Jessie Maye Smith
Rich Coloring, Striking Patterns Trademarks Of Ducks, Teals, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Variation Of Milk Records Within Paternal-Sib Groups, L. Dale Van Vleck
Variation Of Milk Records Within Paternal-Sib Groups, L. Dale Van Vleck
Department of Animal Science: Faculty Publications
Differences between daughter-dam and paternal sib estimates of heritability of first lactation milk yield have not been explained for New York data. Deviations of first lactation records from herdmate means of 155,070 artificially sired Holsteins were analyzed to examine the effect of unequal within group variances on the paternal sib estimate of heritability. The statistical model used to describe the data was yy = μ + si + eiy with σ 2yi = σ 2s + = σ2ei. Estimates of the within sire-group variances, σ1 2ei, were heterogeneous (P …
1968 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University
1968 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University
Little International "Little I" Agricultural Exposition Catalogs
No abstract provided.
Tarrant County Check List Names 315 Species Of Birds, Jessie Maye Smith
Tarrant County Check List Names 315 Species Of Birds, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Old Trinidad Estate A Paradise In West Indies For Naturalists, Jessie Maye Smith
Old Trinidad Estate A Paradise In West Indies For Naturalists, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Critical Analysis Of The Control Of Malignant Effusions With Radioisotopes, Robert M. O'Bryan, Robert W. Talley, Michael J. Brennan, Emiliana San Diego
Critical Analysis Of The Control Of Malignant Effusions With Radioisotopes, Robert M. O'Bryan, Robert W. Talley, Michael J. Brennan, Emiliana San Diego
Henry Ford Hospital Medical Journal
Experience with radioisotope therapy at Henry Ford Hospital is reviewed here through critical analysis of results with 105 patients having recurrent malignant effusions. It is concluded that intracavitary isotope administration is of significant benefit and adds to the ease of care and comfort of such patients
Influence Of Advance In Season On Nutritive Value Of Forage Consumed By Cattle Grazing Western Nebraska Native Range, C. L. Streeter, D. C. Clanton, O. E. Hoehne
Influence Of Advance In Season On Nutritive Value Of Forage Consumed By Cattle Grazing Western Nebraska Native Range, C. L. Streeter, D. C. Clanton, O. E. Hoehne
Nebraska Agricultural Experiment Station: Historical Research Bulletins
The purpose of this study was to determine the influence of the advance in season on the nutritive value of forage consumed by cattle grazing western Nebraska summer range. Eleven digestion trials were conducted during the summer grazing season of two consecutive years.
The Nature Of Bone Resorption And Formation In Normalcy And Disease, Bruce N. Epker, Harold M. Frost
The Nature Of Bone Resorption And Formation In Normalcy And Disease, Bruce N. Epker, Harold M. Frost
Henry Ford Hospital Medical Journal
Classically, Howship's lacunae and osteoid seams or tissue have been used for microscopic identification of sites of bone osteoclastic and osteoblastic cell activity respectively. Recent transmitted light and blue light fluorescence microscopic study of fresh, undemineralized, specially stained and tetracycline labeled bone specimens have supported this use of these parameters of bone resorption and formation. Reports that the osteoclast is not required for bone resorption are evaluated here; it is concluded that no evidence exsists for resorption of bone tissue without osteoclasts. This does not apply to the perilacunar phenomena observed in certain well-defined situations.
Aging: The Last And Greatest Challenge, Bernard L. Strehler
Aging: The Last And Greatest Challenge, Bernard L. Strehler
Henry Ford Hospital Medical Journal
The Edsel B. Ford Memorial Lectures, which are sponsored jointly by the Edsel B. Ford Institute for Medical Research and the Henry Ford Hospital, have been held annually since 1952. The following is an adaptation of Dr. Strehler's lecture before staff doctors and guests, including pathologists, physiologists, biochemists, physicists, biologists and clinicians from Michigan and Ontario.
Publications Of The Staff Of The Henry Ford Hospital And The Edsel B. Ford Institute For Medical Research
Henry Ford Hospital Medical Journal
No abstract provided.
The Prairie Naturalist Volume 1. No.1. March 1968
The Prairie Naturalist Volume 1. No.1. March 1968
The Prairie Naturalist
EDITORIAL: Another Milestone ▪ John T. Lokemoen
NESTING OF THE COMMON SNIPE IN NORTH DAKOTA ▪ Robert E. Stewart and Harold A. Kantrud
SCIENCE WRITING — A PROBLEM ▪ Soren O. Kolstoe
INSECTICIDES: A DOUBLE-EDGED SWORD ▪ Richard D. Urban
NOTES
Why I like the Badlands ▪ Wayne Hecker
White-faced ibis in McIntosh County, North Dakota ▪ Harold F. Duebbert
Cinnamon teal observations in North Dakota ▪ A. T. Klett and John T. Lokemoen
Trumpeter swan in Kidder County, North Dakota ▪ Lewis M. Cowardin and James C. Bartonek
Specimen records of greater scaup ▪ Charles W. Dane and Harold …
Early European Settlers First To Take Notice Of The Robin, Jessie Maye Smith
Early European Settlers First To Take Notice Of The Robin, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Purple Martins To Return Soon To Survey Houseing Conditions, Jessie Maye Smith
Purple Martins To Return Soon To Survey Houseing Conditions, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
World Of Birds, Watchers Described, Jessie Maye Smith
World Of Birds, Watchers Described, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Palo Pinto Sojourn Shows Bald Eagles, Jessie Maye Smith
Palo Pinto Sojourn Shows Bald Eagles, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
North American Shorebirds Gain Popularity In New Book, Jessie Maye Smith
North American Shorebirds Gain Popularity In New Book, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Kentucky Warbler (Vol. 44, No. 1), Kentucky Library Research Collections
Kentucky Warbler (Vol. 44, No. 1), Kentucky Library Research Collections
The Kentucky Warbler
No abstract provided.
The Evolution Of Duck Courtship, Paul A. Johnsgard
The Evolution Of Duck Courtship, Paul A. Johnsgard
Papers in Ornithology
The courtship of ducks is unusual in several aspects. In temperate zones it generally begins very early, usually on the wintering grounds, so courtship is not a manifestation of territorial proclamation and defense as is the case with many songbirds. Nor, because of its early initiation, is courtship closely correlated with gonad growth and fertilization; rather, pair formation is normally completed prior to the period of maximum gonadal activity. Therefore, reproductive behavior in ducks may be conveniently divided into an early phase of conspicuous displays associated with actual pair formation, followed by the later and less elaborate behavior patterns concerned …
Hubby Turns Into Birdman, Jessie Maye Smith
Hubby Turns Into Birdman, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Habitat Of Warblers Threatened By Course, Jessie Maye Smith
Habitat Of Warblers Threatened By Course, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Studies In Locomotion And Anatomy Of Scombroid Fishes, Harry L. Fierstine, Vladimir Walters
Studies In Locomotion And Anatomy Of Scombroid Fishes, Harry L. Fierstine, Vladimir Walters
Biological Sciences
Acceleration rates, analyses of body movements, and pertinent anatomical features are given for various members of the Scombridae, Istiophoridae, and Xiphiidae and are discussed in light of the modern work on smaller freshwater teleosts and marine cetaceans.
Acceleration values up to 43.1 m/sec2 are given for Thunnus albacares and Acanthocybium solanderi. Nearly 100% of the propulsive thrust comes from the caudal fin. There are two main intervertebral joints which are concerned with locomotion, a pre-peduncular and a post-peduncular joint with the body and peduncle held almost stiff, a condition similar to that described for marine cetaceans. The caudal …
Range Nutrition In An Arid Region, Lorin E. Harris
Range Nutrition In An Arid Region, Lorin E. Harris
Faculty Honor Lectures
On the mountains, in the valleys, on the foothills and on the deserts of the Intermountain West grow millions of tons of vegetation. The chemical energy stored bv these plants is a potential source of useful energy for man. Some of the plant material has been used for fuel, other has been used as a source of lumber, chemicals, and paper, but the major part of this vast reservO'ir is useful to man because it is utilized by livestock. This native vegetation is grazed by livestock and they convert the plant energy to' high quality, desirable food energy for man.
Birds Wing Greeting Variety On Season's Christmas Cards, Jessie Maye Smith
Birds Wing Greeting Variety On Season's Christmas Cards, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Damage To Ocean Studied, Jessie Maye Smith
Damage To Ocean Studied, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Weather Hampers Christmas Bird Count, Jessie Maye Smith
Weather Hampers Christmas Bird Count, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Three Physical Measurements Of Male White-Tailed Deer In West Virginia Correlated With Soil Fertility And Population Density, Charles C. Coffman
Three Physical Measurements Of Male White-Tailed Deer In West Virginia Correlated With Soil Fertility And Population Density, Charles C. Coffman
Theses, Dissertations and Capstones
Differences in the physical size of male white-tailed deer from varying parts of West Virginia were known to exist a considerable number of years before any sophisticated attempts were made to explain them. Prior to 1940, the state's deer herd had been making a slow, but increasingly steady, comeback from a period of extreme scarcity around the turn of the century. To supplement the original remaining stock, shown in Figure 1, page 2, a deer restocking program was initiated in 1923. In 1937, federal legislation, in the form of the Federal Aid to Wildlife Restoration Act, gave added support to …
A Preliminary Study On Ensiling Aspen Bark, Charles Helleloid, John Klow, Gary Pullar, John Veranth
A Preliminary Study On Ensiling Aspen Bark, Charles Helleloid, John Klow, Gary Pullar, John Veranth
Journal of the Minnesota Academy of Science
A preliminary study was conducted on the ensiling of aspen bark in laboratory silos for the production of animal food. Several types of silo, both with and without an enzyme preparation, were tested. Results of physical and chemical tests on the contents indicate that definite changes occur when bark is ensiled, and that these changes differ with ensiling conditions. Several of these changes suggest possibilities for future research.
Biological Aspects Of Heat Pollution, Theodore Olson
Biological Aspects Of Heat Pollution, Theodore Olson
Journal of the Minnesota Academy of Science
The importance of temperature as an environmental factor has long been recognized by the ecologist, and its special impact upon the aquatic ecosystem has been of interest to aquatic biologists since they first began to observe interactions between living things and the physical environment. Interest in water temperatures as an environmental factor has recently become more widespread; and one aspect of the phenomenon, namely "thermal pollution," has attracted special attention.