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Articles 9391 - 9420 of 9736

Full-Text Articles in Animal Sciences

Migratory Bird Regulations 1959-60 Jan 1959

Migratory Bird Regulations 1959-60

United States Fish and Wildlife Service: Publications

Migratory birds, which move across State and National borders, are recognized as an international resource requiring conservation on a continental basis. Protection of migratory birds on the North American Continent is provided for by conventions between the United States and Great Britain (for Canada), concluded August 16, 1916 (39 Stat. 1702), and between the United States and the United Mexican States, concluded February 7, 1936 (50 Stat. 1311). Protection in the United States is provided by the Migratory Bird Treaty Act of July 3,1918, as amended (40 Stat. 755; 16 U. S. C. 703). Birds protected by the Migratory Bird …


Bleak Reports Coming From Waterfowl Breeding Grounds, Ross Leffler Jan 1959

Bleak Reports Coming From Waterfowl Breeding Grounds, Ross Leffler

United States Fish and Wildlife Service: Publications

There is no optimism expressed in the reports from the Flyway Biologists and other observers making surveys on the waterfowl breeding grounds in Canada and the United States. The only bright spot is a report from Fairbanks, Alaska, that the Yukon Flats and other breeding areas in that vicinity are well populated with waterfowl. While this is a heartening sign, only in a small degree does it offset the prospects for poor production in the heart of the continental breeding grounds in the Prairie States and Provinces.

As one observer with many years of experience in the prairies has put …


Block And Bridle Annual, 1959 Jan 1959

Block And Bridle Annual, 1959

Block and Bridle Annual (1933–2021)

Contents:

Dedication
James S. Kreycik
Byron P. Demorest
Animal Husbandry Hall
PART I. THE CLUB
Picture of Club Members
Block and Bridle Advisor
Picture of Club Officers and Advisor
Animal Husbandry Faculty
Sample Minutes
Financial Statement
PART II. AWARDS
Merit Trophy Winner
Outstanding Club Members
PART III. CLUB ACTIVITIES
Calendar of Events
Initiations
Feed and Nutrition Conference
Rooters Day
Homecoming Float
Student-Faculty Party
Christmas Ham Sale
Purebred Bred Ewe Sale
Pie Social and Barn Dance
Intracollegiate Judging Contest
Feeders Day
Honors Banquet
Science in Agricultural Day
Showmanship Contest
Quarterhorse Show
Election of Officers
PART IV. JUDGING TEAMS
Senior Livestock Judging …


Comments On Species Recognition With Special Reference To The Wood Duck And The Mandarin Duck, William C. Dilger, Paul A. Johnsgard Jan 1959

Comments On Species Recognition With Special Reference To The Wood Duck And The Mandarin Duck, William C. Dilger, Paul A. Johnsgard

Papers in Ornithology

It is well known that closely related, sympatric species have evolved species-specific features which serve to minimize the possibility of "wrong" choices being made during pair formation. The amount of evolution of such species-specific features is roughly proportional to the deleterious effects of the "wrong" choices made in species recognition. Of course, if upon initial contact, the forms interbreed too freely panmixia will occur and both will eventually lose whatever genetic identity they may have had. On the other hand if, by the time of contact, the forms have incidentally developed differences sufficient to serve automatically as isolating mechanisms from …


Review Of A Coloured Key To The Wildfowl Of The World, Paul A. Johnsgard Jan 1959

Review Of A Coloured Key To The Wildfowl Of The World, Paul A. Johnsgard

Papers in Ornithology

The Wildfowl Trust, Slimbridge. Gloucestershire. 96 pp., 23 plates. 1957. Price. 9 s. 6d. This hand·guide to alI the species and subspecies of the Anatidae is an elaborated version of an earlier black and white guide. mainly for use in assisting in the identification of live birds in the incomparable waterfowl coIlection at the Wildfowl Trust, but also of great value as a guide in any zoo or even under field conditions. A total of 147 species, comprising 247 forms, are shown, including both sexes where they differ noticeably. as weIl as major color phases of the polymorphic forms such …


Whole Issue Nebraska Bird Review (January 1959) 27(1) Jan 1959

Whole Issue Nebraska Bird Review (January 1959) 27(1)

Nebraska Bird Review

TABLE OF CONTENTS

Population Dynamics of Diurnal Birds of Prey in the Panhandle of Nebraska ...................2

Notes on Summer Birds of Western Nebraska ...................6


The Waterfowl Councils A Conservation Partnership Jan 1959

The Waterfowl Councils A Conservation Partnership

United States Fish and Wildlife Service: Publications

What is a Waterfowl Council?

It's doubtful if many duck hunters know the answer to that question. Yet these Councils are responsible for the planning of many programs that will influence the kind of duck hunting these same sportsmen will have in the future.

Because the activities of the Waterfowl Councils do mean so much to so many people--not only to duck hunters but to the millions of people who get their fun just watching the birds-this circular has been prepared to tell the Council story. Its purpose is to explain the basic waterfowl problem and the current approach to …


Variability In The Electrophoretic Patterns Of Avian Serum Proteins, Charles G. Sibley, Paul A. Johnsgard Jan 1959

Variability In The Electrophoretic Patterns Of Avian Serum Proteins, Charles G. Sibley, Paul A. Johnsgard

Papers in Ornithology

It has been known for more than 50 years that particular proteins characterize every species of plant and animal and that phylogenetic relationships are reflected in protein structure. The first application of this fact to taxonomic studies was by Nuttall ( 1901; 1904) who used the precipitin reaction of immune sera to test degrees of relationship in over 500 species of animals. With refinements in technique have come many more serological studies and the results have justified the statement by Landsteiner (1945) that “chemical differences parallel the variation in structure” and hence are useful in classification.


Habitat Of Red-Backed Vole, Harvey L. Gunderson Jan 1959

Habitat Of Red-Backed Vole, Harvey L. Gunderson

University of Nebraska State Museum: Mammalogy Papers

These data are a part of a study of small mammal populations at Cedar Creek Forest, Anoka County, Minnesota. The live-trapping area of 5.0 acres, with 81 traps spaced 52 feet apart, was in a tamarack-white cedar bog. The study extended over a period of 7 years (1949-1955). Trapping periods of five days (four nights) extended from early May to the first part of October. In all, there were 14,580 trap-nights. A total of 428 voles were marked and weighed; data on 25 dead unmarked individuals are also included.

A frequency index was calculated for each station. This index was …


Whole Issue Nebraska Bird Review (October 1958) 26(4) Oct 1958

Whole Issue Nebraska Bird Review (October 1958) 26(4)

Nebraska Bird Review

TABLE OF CONTENTS

Thirty-Fourth Annual Cooperative Spring
Migration and Occurrence Report....................50

General Notes....................68

Excerpts from Letters ....................70

Second Annual Fall Meeting....................72

George E. Condra ....................72

Index ....................73


Whole Issue Nebraska Bird Review (July 1958) 26(3) Jul 1958

Whole Issue Nebraska Bird Review (July 1958) 26(3)

Nebraska Bird Review

TABLE OF CONTENTS

Some Observations of the Nesting Habits of the Eastern Phoebe ......................34

Twenty-five Year Summary of Bird Migration in Nebraska ......................38

Meetings and Reports...................... 45

Rollie A. Bunney, 1897-1958 ......................46

Lillian Steele Loveland ......................47

Excerpts From Letters ......................48


Whole Issue Nebraska Bird Review (Apr 1958) 26(2) Apr 1958

Whole Issue Nebraska Bird Review (Apr 1958) 26(2)

Nebraska Bird Review

TABLE OF CONTENTS

Yellow Warblers at the Nest ....................18

1957 Nesting Report ....................20

A Study of Bird Habitats in Alliance City Park.................... 22

General Notes ....................26

Excerpts From Letters ....................29

Treasurer's Report for the Year 1957 ....................30

Behavior Notes.................... 31

Second Annual Winter Convention ....................32


Block & Bridle Annual 1957-1958 Jan 1958

Block & Bridle Annual 1957-1958

Block and Bridle Annual (1933–2021)

Gary Briggs, Paul Yeutter, Ray Cada, Darrel Zessin, Byron Kort. Louis Welch, Kay Robohm, Darrel Eberspacher, Elwin Mosier, Ardyce Haring, Carolyn Hall. Larry Lutz, Maurice Bonne, Max Waldo, Duane Stokebrand, Ted Klug, Prof. Richard B. Warren (Faculty Advisor). Eli Thomssen, Phil Starck, Ray DeBower, Gary Berke, Jay Cook, Roger Hild. Russell Person, Morris Ochsner, Del Kuhlman, John Wink, Jerry Dart, Tom Kraeger.


Grain Sorghum For Growing-Finishing Swine, E. R. Peo, Jr., D. B. Hudman Jan 1958

Grain Sorghum For Growing-Finishing Swine, E. R. Peo, Jr., D. B. Hudman

Department of Animal Science: Faculty Publications

Considerable research has been conducted on the feeding value of grain sorghums for swine. Baker and Reinmiller (1939) observed that for the production of gains, grain sorghums were equal to or better than corn but considerable more feed was required to produce a pound of gain with the sorghums. Loeffel (1957) summarized several Nebraska swine experiments and observed that grain sorghum and corn produced approximately the same average daily gain, but, in general, 10 to 20~o more feed was required per pound of gain with the grain sorghum. Similar results have been reported by Aubel (1950, 1954, 1955, 1956) and …


Field Techniques For Sexing And Aging Game Animals, Donald R. Thompson Jan 1958

Field Techniques For Sexing And Aging Game Animals, Donald R. Thompson

Nebraska Game and Parks Commission: Publications

The purpose of this booklet is to provide a ready field reference for identification, sexing and aging of common game species. It has purposely been kept in simplified form, presenting only those techniques which can commonly be applied in the field and avoiding those which would require special equipment and skills. Untrained personnel should be given demonstrations of the techniques, and thereafter this reference should serve as a reminder. It is not expected that the reference could successfully be used without such demonstration. Certain of the techniques such as cloaca! examination of waterfowl may require considerable practice by the individual. …


Experiment In Raising Of Prairie Chicken, Harold Milton Malicky Jan 1958

Experiment In Raising Of Prairie Chicken, Harold Milton Malicky

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

Describes an experiment to try to hatch 16 prairie chicken eggs. Harold "Bus" Milton Malicky, Burwell, Nebraska, May 1958.


Experiment In Raising Of Sharp-Tailed Grouse, Harold Milton Malicky Jan 1958

Experiment In Raising Of Sharp-Tailed Grouse, Harold Milton Malicky

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

Describes the attempt to hatch 6 sharp-tailed grouse eggs. Harold Milton "Bus" Malicky, Burwell, Nebraska, July 1958.


Control Of Hog Lice And Mange, Robert Roselle Jan 1958

Control Of Hog Lice And Mange, Robert Roselle

Department of Entomology: Faculty Publications

The hog louse (Haematopinus suis) is the largest species of louse found on domestic animals. It may attain a length of one-quarter of an inch. The body is oval, and the legs terminate in large, dark claws well adapted to cling to hairs. Hog lice are bluish-gray in color. They are found only on hG>gs except in very unusual cases. The eggs or "nits" are glued to the hairs and hatch in 12 to 20 days. Young lice mature in 10 to 12 days. The average life cycle is about 35 days. Lice suck blood from the host, and …


Research Notes: Experimental Infection With Strigoid Cercariae, Glenn L. Hoffman Jan 1958

Research Notes: Experimental Infection With Strigoid Cercariae, Glenn L. Hoffman

United States Fish and Wildlife Service: Publications

During the summers of 1947 and 1948 strigeoid cercariae from Carrol Lake, Wisconsin were collected and identified by the late Dr. F. G. Brooks and turned over to the writer for use in the experimental infection of frog tadpoles and various fish. It was hoped to establish or eliminate these animals as the second intermediate host. One of the 8 tested was found infective for fish, and 1 infected tadpoles. These records do not elucidate the life cycles of these worms, but it is hoped that the work may help in the future study of strigeoid cercariae.


The Experimental Histopathology Of The "Tumor" On The Brain Of The Stickleback Caused By Diplostomum Baeri Eucaliae Hoffman And Hundley, 1957 (Trematoda: Strigeoidea)), Glenn L. Hoffman, James B. Hoyme Jan 1958

The Experimental Histopathology Of The "Tumor" On The Brain Of The Stickleback Caused By Diplostomum Baeri Eucaliae Hoffman And Hundley, 1957 (Trematoda: Strigeoidea)), Glenn L. Hoffman, James B. Hoyme

United States Fish and Wildlife Service: Publications

The structure of the "tumor" on the brain of the stickleback fish, Eucalia inconstans (Kirtland) caused by Diplostomum baeri eucaliae, has been briefly reported (Hoffman and Hoyme, 1957; Hoffman and Hundley, 1957) and consists of an outgrowth of the columnar epithelium of the choroid plexus which surrounds the metacercariae at the postero-lateral aspect of the optic lobes. The present report deals with the experimental development of the "tumor."
No record of a comparable structure in fish could be found and the reader is referred to our earlier paper (Hoffman and Hundley, 1957) for further introduction, and materials and methods.


Studies On The Life-Cycle Of Ornithodiplostomum Ptychocheilus (Faust) (Trematoda: Strigeoieda) And The "Self Cure" Of Infected Fish*, Glenn L. Hoffman Jan 1958

Studies On The Life-Cycle Of Ornithodiplostomum Ptychocheilus (Faust) (Trematoda: Strigeoieda) And The "Self Cure" Of Infected Fish*, Glenn L. Hoffman

United States Fish and Wildlife Service: Publications

During the summer of 1956 the following fish of Turtle River (Arvilla), North Dakota were found infected with the Neascus metacercaria of Ornithodiplostomum ptychocheilus (Faust): Northern common shiner (Notropis cornutus frontalis), bigmouth shiner (Notropis d. dorsalis), creek chub (Semotilus a. atromaculatus), fathead (Pimephales p. promelas), and johnny darter (Boleosoma n. nigrum). The cysts were usually very numerous (up to 400 per fish) in the mesenteries of the chub and common shiner; they were also very numerous in the cranial cavity and in the fat bodies behind the eyes of the …


Whole Issue Nebraska Bird Review (Jan 1958) 26(1) Jan 1958

Whole Issue Nebraska Bird Review (Jan 1958) 26(1)

Nebraska Bird Review

TABLE OF CONTENTS

Man Changes the Pattern ......................2

Are We Careless with our Bird Identifications? ......................6

General Notes...................... 9

Excerpts From Letters ......................13

Fall Field Day, October 13, 1957 ......................15

Mrs. Hallie Jennings Allen...................... 16

George Oscar Smith ......................16

Mrs. Myrtle Wilson Blinco ......................16

Arthur Sperry Pearse ......................16


A New Genus Of Monogenetic Trematode (Family Diclidophoridae) From A New Zealand Fish, Harold W. Manter, Gail Walling Jan 1958

A New Genus Of Monogenetic Trematode (Family Diclidophoridae) From A New Zealand Fish, Harold W. Manter, Gail Walling

Harold W. Manter Laboratory of Parasitology: Faculty Publications

These monogeneans were collected by Harold W. Manter in Wellington, New Zealand, in 1951 from the gills of Seriolella brama (Günther), the warehou (Family Nomeidae). A study of the three specimens collected indicates they belong to a new genus of the family Diclidophoridae, subfamily Cyclocotylinae.


Evaluation Of Ground Corncobs And Corncob Components As Nutritive Materials In Rations For Beef Cattle, J. Matsushima, T. W. Dowe, V. H. Arthaud Dec 1957

Evaluation Of Ground Corncobs And Corncob Components As Nutritive Materials In Rations For Beef Cattle, J. Matsushima, T. W. Dowe, V. H. Arthaud

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Two feeding trials were conducted to (1) determine the comparative feeding values of ground corncobs with two fractions of the corncobs--namely, the beeswing and woodyring, and (2) to compare different factors that might affect the utilization of ground corncobs and cob fractions in wintering rations for beef cattle.


Whole Issue Nebraska Bird Review (Oct 1957) 25(4) Oct 1957

Whole Issue Nebraska Bird Review (Oct 1957) 25(4)

Nebraska Bird Review

TABLE OF CONTENTS

A Letter From Your Editor.................... 50

Thirty-Third Annual Cooperative Spring Migration and Occurrence Report.................... 51

Index to Volume XXV ....................73


Whole Issue Nebraska Bird Review (July 1957) 25(3) Jul 1957

Whole Issue Nebraska Bird Review (July 1957) 25(3)

Nebraska Bird Review

TABLE OF CONTENTS

Historical Sketch ........................34

Birding in Kearney at Four Miles Per Hour ........................37

Meetings and Reports ........................41

Arthur Sperry Pearse ........................42

Short Comments on Bird Behavior ........................43

General Notes ........................44

Excerpts from Letters to the Editors ........................45

Reports of Nests, Nestlings, and Fledglings ........................46

Book Reviews ........................48


Whole Issue Nebraska Bird Review (April 1957) 25(2) Apr 1957

Whole Issue Nebraska Bird Review (April 1957) 25(2)

Nebraska Bird Review

TABLE OF CONTENTS

1956 Nesting Report ........................18

Report .of the Mid-Winter Convention........................ 21

Dr. John Todd Zimmer ........................22

Letters of. Special Note........................ 22

Cowbird Eggs in Nests of Bell's Vireos........................ 23

Notes ........................24

Treasurer's Report for the Year 1956 ........................30

Brief Summary of 1956 Hikes........................ 31

Book Reviews ........................32


The Life-Cycle Of Diplostomum Baeri Eucaliae N. Subsp. (Trematoda: Strigeida)*, Glenn L. Hoffman, James B. Hundley Jan 1957

The Life-Cycle Of Diplostomum Baeri Eucaliae N. Subsp. (Trematoda: Strigeida)*, Glenn L. Hoffman, James B. Hundley

United States Fish and Wildlife Service: Publications

During the summers of 1953, 1954, and 1955, many brook stickleback, Eucalia inconstans, from the English Coulee, a small stream in Grand Forks, were found infected with an unrecorded species of diplostomulum metacercaria; its life cycle has been reported in abstract (Hoffman, 1955). In 1953, 51 (82%) of the 62 sticklebacks examined were infected, but in 1955 a much smaller number was infected; no exact records were kept in 1954 and 1955. The number of diplostomula per fish ranged from 0 to 335. During the summer of 1956 lightly infected stickleback were also found in Turtle River, Kelly's Slough, …


Case Of Collecting Tick Amblyomma Lepidum Dönitz, 1909, In Azerbaijan, M. V. Pospelova-Shtrom, N. S. Abusalimov Jan 1957

Case Of Collecting Tick Amblyomma Lepidum Dönitz, 1909, In Azerbaijan, M. V. Pospelova-Shtrom, N. S. Abusalimov

United States Naval Medical Research Unit 3: Publications

First paragraph:

On 18 May 1954, (a specimen of) Burhinus oedicnemus (L.) was killed in the Lenkoransky region of Azerbaijan S.S.R.; on its head a male Amblyomma lepidum Dönitz, 1909, was found. Morphological characters of this tick, size and shape of body, characteristic light and dark ornamentation of dorsal shield, punctation, shape, and two colors of festoons, size and shape of cervical and lateral grooves, hypostome, peritreme, projection on coxae, and spherical orbited eyes correspond to those in the description of A. lepidum, given in Robinson monograph. Only on four anterior festoons a small light spot is found (in …


Block & Bridle Annual 1956-1957 Jan 1957

Block & Bridle Annual 1956-1957

Block and Bridle Annual (1933–2021)

Charles Adams (Faculty Advisor), Delbert Kuhlman, John Klingenberg, Ardyce Haring, Harvey Jorgensen, Roy Volzke, Billie Reed, Paul Yeutter Prof. Loeffel, Carolyn Hall, Byron Kort, Larry Paul, Elwin Mosier, Charles Corkle, Kay Robohm, Daniel Stilwell Duane Stokebrand, Gary Briggs, Walt Patterson, Wendell Mousel, Keith Smith, Darrel Zessin, Richard Bonne, Donald Kasbohm, Bruce Skinner Bob Discoe, Doyle Hulme, Jim Smith, Carl Lorenzen, Jay Cook, Gary Berke, Bob Volk, Roger Hild Donald Kuhl, Russell Person, Ray Cada, Ray DeBower, Bob Dannert, Phil Starck, Kay Knudsen, Jerry Brownfield, Allan McClure, Wally Bierman Morris Ochsner, Warren Mitchell, Ed McReynolds, Gerald Dart, Arza Snyder, Mervy Schliefert, …