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Articles 110161 - 110190 of 114083
Full-Text Articles in Entire DC Network
Whole Issue Nebraska Bird Review (January 1957) 25(1)
Whole Issue Nebraska Bird Review (January 1957) 25(1)
Nebraska Bird Review
TABLE OF CONTENTS
The Nebraska Bird Review .....................2
Officers .....................4
Harold Ray Benckeser..................... 7
The Greater Prairie Chicken in History..................... 8
General Notes .....................12
Excerpts From Letters To the Editors..................... 14
Book Reviews .....................16
Protein And Fat Requirements Of Baby Pigs, E. R. Peo, Jr., G. C. Ashton, V. C. Speer, D. V. Catron
Protein And Fat Requirements Of Baby Pigs, E. R. Peo, Jr., G. C. Ashton, V. C. Speer, D. V. Catron
Department of Animal Science: Faculty Publications
Present day research in swine nutrition with its early weaning programs and its use of the baby pig in biological assays has necessitated the determination of the nutritional requirements of the baby pig. The requirements for two of these nutrients (protein and fat) have not been clearly established. Early studies on the protein and fat requirements of baby pigs were conducted with liquid synthetic milk diets, which were formulated generally on the basis of the composition of sow milk.
Some Observations Pertaining To The Effects Of Relaxin Upon The Bovine, Vincent Allen Hall
Some Observations Pertaining To The Effects Of Relaxin Upon The Bovine, Vincent Allen Hall
Electronic Theses and Dissertations
The process of birth normally follows a set pattern. The main steps in chronological order are: labor, opening of the cervix, and delivering the young. The cervix serves an important function in reproduction. The cervix is the constricted portion separating the uterus and the vagina, and consists primarily of thick connective tissues especially constructed in folds forming a hollow tube. Through the cervix passes sperm, menstrual debris and in pregnancy the newborn. During pregnancy a mucous plug forms in the cervix and keeps out foreign material and bacteria. In the non-pregnant cow the opening is small. The cervix opening is …
Bloat Results From Various Drenchings Including Effectiveness Of Penicillin For Prevention, Clarence Leonard Moore
Bloat Results From Various Drenchings Including Effectiveness Of Penicillin For Prevention, Clarence Leonard Moore
Electronic Theses and Dissertations
Body conformation is associated with function among all classes of livestock. Dairy cattle type deals with characteristics indicating ability to produce milk and butterfat economically along with breed character and other values of an aesthetic nature. In order to have economical milk and butterfat production, the dairy cow should possess that type of body conformation which is able to withstand the rigors of disease, reproduction and year after year milk production. A large percentage of dairy cattle sold in South Dakota and surrounding territory, whether for breeding purpose or commercial production, are evaluated primarily on the basis of their type. …
Allium Acetabulum (Rafinesque) Shinners, Comb. Nov., Lloyd H. Shinners
Allium Acetabulum (Rafinesque) Shinners, Comb. Nov., Lloyd H. Shinners
Field and Laboratory
No abstract provided.
William H. Von Streeruwitz (1833-1916), Geologist On The Dumble Survey Of Texas, S. W. Geiser
William H. Von Streeruwitz (1833-1916), Geologist On The Dumble Survey Of Texas, S. W. Geiser
Field and Laboratory
An account of the life of William H. von Streeruwitz, a geologist on the Dumble survey in West Texas. He lived from 1833 to 1916.
A Genetic Analysis Of Economic Characteristics Of Range Beef Heifers, Keith O. Zoellner
A Genetic Analysis Of Economic Characteristics Of Range Beef Heifers, Keith O. Zoellner
Electronic Theses and Dissertations
The beef cattle industry is one og the major sources of rural income in South Dakota. According to the South Dakota Crop and Livestock Reporting Services (1956), there were 1,492,000 beef cows and yearling beef heifers on the farms and ranches in South Dakota as of January 1, 1957. They also reported that sales from cattle and calves amounted to approximately 34.6 percent of the gross farm and ranch income in the state. Since the beef cattle industry is a major source of the farm and ranch income in South Dakota, any improvement in the performance of beef cattle will …
A Critical Study Of The Chromosomes In Two Species Of Myxophyceae, John Thomas Mullins
A Critical Study Of The Chromosomes In Two Species Of Myxophyceae, John Thomas Mullins
Master's Theses
The Myxophyoeae or blue-green algae have been frequent subjects for cytological investigation since Schmitz (1879) first called attention to two regions in the protoplast. Since that publication the morphological and chemical nature of the genetic material and the mechanism of cell division in the Myxophyceae has been a controversial subject, The evidence that has been presented is, tor the most part, more voluminous than enlightening.
This investigation was undertaken in order to verify the methods and check the results obtained with the smear technique by Strickland (1948). Additional methods were also applied which might enable a more critical evaluation of …
Nebraska Deer, William Bailey Jr., George Schildman, Phillip Agee, C. G. Pritchard
Nebraska Deer, William Bailey Jr., George Schildman, Phillip Agee, C. G. Pritchard
Nebraska Game and Parks Commission: Publications
IN COMMON with the experience of most states, Nebraska's deer herds were reduced to a very low level by excessive harvests in our early history. Most American big-game animals were overharvested in the early history of this nation because of commercialization. Buffalo were killed for their hides, deer for their meat. This slaughter continued as long as the hunter (or poacher) could sell his take at a profit. Modem game management and public opinion reversed this trend. Deer are on the way back all over America, and in some states the protection-complex was so strong that deer were restored to …
Nebraska Deer, William Bailey Jr., George Schildman, Phillip Agee, C. G. Pritchard
Nebraska Deer, William Bailey Jr., George Schildman, Phillip Agee, C. G. Pritchard
Nebraska Game and Parks Commission: Publications
IN COMMON with the experience of most states, Nebraska's deer herds were reduced to a very low level by excessive harvests in our early history. Most American big-game animals were overharvested in the early history of this nation because of commercialization. Buffalo were killed for their hides, deer for their meat. This slaughter continued as long as the hunter (or poacher) could sell his take at a profit. Modem game management and public opinion reversed this trend. Deer are on the way back all over America, and in some states the protection-complex was so strong that deer were restored to …
The Effects Of Low Temperature On Survival Of Rabbit Ova, Mansur Ferdows
The Effects Of Low Temperature On Survival Of Rabbit Ova, Mansur Ferdows
Electronic Theses and Dissertations
In the field of animal production, genetic characteristics determine to a large extent the quality and the economy of the cattle. To hasten the wide spread dissemination of germ plasm, many commercial farmers have resorted to artificial insemination. Artificial insemination has however, only allowed for the wide spread dissemination of germ plasm from the male. If the female germ plasm could also be more easily disseminated through the highly experimental process of ova transfer, then more than the average number of offspring could be expected from a female in her life time. Because ova transplantation is in its infancy, many …
Notes On The Tardigrada Of Minnesota, Mason R. Boudrye
Notes On The Tardigrada Of Minnesota, Mason R. Boudrye
Journal of the Minnesota Academy of Science
No abstract provided.
Orientation Of The Franklin Ground Squirrel To Environmental Objects, Howard D. Orr
Orientation Of The Franklin Ground Squirrel To Environmental Objects, Howard D. Orr
Journal of the Minnesota Academy of Science
No abstract provided.
Statistical Sampling Techniques As Applied To Fish Populations, Zane Scheftel
Statistical Sampling Techniques As Applied To Fish Populations, Zane Scheftel
Journal of the Minnesota Academy of Science
No abstract provided.
Lone Star Tick, Amblyomma Americanum, J. L. Lancaster
Lone Star Tick, Amblyomma Americanum, J. L. Lancaster
Journal of the Arkansas Academy of Science
No abstract provided.
An Ecological Survey Of The Vegetation Of The Dinosaur National Monument, Utah, Stanley L. Welsh
An Ecological Survey Of The Vegetation Of The Dinosaur National Monument, Utah, Stanley L. Welsh
Theses and Dissertations
The present work is a general survey of the vegetation of the Utah portion of the Dinosaur National Monument with special emphasis on some of the ecological aspects of the area. The vegetation ranges from xerophytic plant communities of the lower elevations to mesophytic communities of the higher elevations. Hydrophytic plant communities are also present to a limited extent along the Green River and where seeps or springs arise. Soils vary from fine clay to coarse gravel. The dividing lines between formations is often marked by extreme differences in soil type. During the author's first collecting trip into the Monument …
The Ticks Or Ixodides Of The U.S.S.R.: A Review Of The Literature, George Anastos
The Ticks Or Ixodides Of The U.S.S.R.: A Review Of The Literature, George Anastos
Harold W. Manter Laboratory of Parasitology: Library Materials
No abstract provided.
Translation By Virginia Ivens Of Coccidia Of Sheep And Goats Of Western Kazakhstan By S. K. Svanbaev In Works Of The Institute Of Zoology, Academy Of Sciences, Kazakh Ssr 7 (1957): 252-257, S. K. Svanbaev, Virginia Ivens
Translation By Virginia Ivens Of Coccidia Of Sheep And Goats Of Western Kazakhstan By S. K. Svanbaev In Works Of The Institute Of Zoology, Academy Of Sciences, Kazakh Ssr 7 (1957): 252-257, S. K. Svanbaev, Virginia Ivens
Harold W. Manter Laboratory of Parasitology: Library Materials
Translation number 1, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, United States
Translation of Coccidia of sheep and goats of western Kazakhstan by S. K. Svanbaev, in Works of the Institute of Zoology, Academy of Sciences, Kazakh SSR (1957) 7: 252-257
Transliteration: K voprosu o faune i morfologii koktsidii ovets i koz zapadnogo Kazakhstana. Trudy Instituta Zoologii Akademie Nauk Kazakh SSR (1957) tom VII (1957): 252-257
Translated from Russian to English by Virginia Ivens, University of Illinois, March 21, 1960 (11 pages)
The Relation Of Spring Bird Distribution To A Vegetation Mosaic In Southeastern Washington, Paul A. Johnsgard, W. H. Rickard
The Relation Of Spring Bird Distribution To A Vegetation Mosaic In Southeastern Washington, Paul A. Johnsgard, W. H. Rickard
Paul Johnsgard Collection
Climax vegetation is of particular interest for study since it is the oldest and most stable vegetation of a region and should be expected to have a distinctive complement of animals. The purpose of this investigation was to observe the predilection of birds for stands representing climax plant associations in a remnant of native grassland in southeastern Washington.
The grasslands of this region were rapidly converted from grazing use to wheat production beginning about 65 years ago (Daubenmire 1942) and as a result only a few scattered remnants of native vegetation remain today. Associated with changes in vegetation there have …
Gyrodactylus Eucaliae N. Sp. (Trematoda: Monogenea) From The Brook Stickleback, Eucalia Inconstans*, Glenn L. Hoffman, Francis M. Ikezaki
Gyrodactylus Eucaliae N. Sp. (Trematoda: Monogenea) From The Brook Stickleback, Eucalia Inconstans*, Glenn L. Hoffman, Francis M. Ikezaki
United States Fish and Wildlife Service: Publications
A new species of Gyrodactylus was observed on the skin, gills, and fins of the brook stickleback from the English Coulee, Grand Forks, North Dakota during the summers of 1953-1955. Host-specificity is usually striking in the monogenetic trematodes and since this parasite was not observed on any other species of fish from this body of water or the nearby Turtle River, it was studied in detail and is here described as a new species, G. eucaliae.
New Polychrome Methods In Microtechnique, Celestino Nera Macabales
New Polychrome Methods In Microtechnique, Celestino Nera Macabales
University of the Pacific Theses and Dissertations
When the writer took an introductory course in Microtechnique in 1954-55, he was impressed by the inadequacy of some microtechnical procedures recommended in triple staining, and he felt disappointed and discouraged by the consistently inferior results. He resolved to attempt modifications or to develop a new technique which could be relied upon to achieve anticipated results. This is a report on two years of efforts to develop a simple dependable technique in polychrome staining for histological studies. The writer feels that the results are of importance to students and teachers of biological science and to microtomists. The herein proposed technique …
The Rabbit : An Illustrated Anatomical Guide, Edwin Chin Jr.
The Rabbit : An Illustrated Anatomical Guide, Edwin Chin Jr.
University of the Pacific Theses and Dissertations
This study on the anatomy of the rabbit was based on dissected material from the biological laboratories of the College of the Pacific. Because of existing errors in many of the present references to rabbit anatomy, the guide was prepared to meet the expressed need for a concise, illustrated outline of basic anatomy of the rabbit which might be used by students in an introductory course in mammalian or human anatomy. Since it is assumed that the guide would be supplemented by a dissection manual, syllabus, or textbook, textural material of such an outline is presented here in outline form.
Studies On The Trematode Larva Neascus, Thomas Reyes
Studies On The Trematode Larva Neascus, Thomas Reyes
University of the Pacific Theses and Dissertations
During the spring semesters of 1955 and 1956, while the writer was under the supervision of Dr. A. E. Noble, a preliminary survey was initiated on parasites in local fishes, amphibians, and reptiles occurring in the vicinity of Stockton, California. The collection of specimens in this survey included sixteen green sunfish, Lepomis cyanella, and two bluegills, L. macrochirus. Larval trematodes recovered from the heart and liver of these specimens belonged to the family Diplostomatidae Poirier (1886) which is characterized by a conspicuous constriction separating the fore and hind-bodies. The leaf-like forebody with the lateral borders converging ventrally to form a …
The Value Of Including Chemistry Content In The Study Of High School Biology, Ramon Duane Buckley
The Value Of Including Chemistry Content In The Study Of High School Biology, Ramon Duane Buckley
Dissertations and Theses @ UNI
The purpose was to evaluate the effect of including some definite chemistry content in high school biology. This evaluation was made by comparing outcomes of instruction in two different groups of a high school biology course. The two groups were equated in terms of the intelligence quotients, the sex, and the previous achievement in biology of the class members. The comparative gains in factual knowledge were measured by means of an evaluation test. The comparative gains in appreciations and interests in biology were measured with a questionnaire.
Key To The Genus Ornithodorus (Of Russia) (After Pavlovsky, 1955), I. G. Galuzo
Key To The Genus Ornithodorus (Of Russia) (After Pavlovsky, 1955), I. G. Galuzo
United States Naval Medical Research Unit 3: Publications
English translation from Russian of pp. 83-85 of Galuzo (1957) Argasid ticks and their epizootological significance. Alma-Ata (Acad. Sci. Kazakh SSR).
Females and Males
Ornithodoros papillipes (Birula, 1895)
O. verrucosus (Sas, Fen. 1934)
O. tartakovskyi (Olenev, 1931)
O. nereensis (Pavlovsky, 1941)
O. alactagalis (Issaakjan, 1936)
O. canestrini (Birula, 1895)
O. lahorensis (Neumann, 1908)
Audubon Film Tour To Skip Fort Worth, Jessie Maye Smith
Audubon Film Tour To Skip Fort Worth, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Longspur Species Seen At Benbrook, Jessie Maye Smith
Longspur Species Seen At Benbrook, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
To Students Recordings Now Bring Bird Music, Jessie Maye Smith
To Students Recordings Now Bring Bird Music, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Range Liverstock Nutrition And Its Importance In The Intermountain Region, C. Wayne Cook
Range Liverstock Nutrition And Its Importance In The Intermountain Region, C. Wayne Cook
Faculty Honor Lectures
It has been estimated that about 728 million acres or about 76 percent of the entire land area in the West is used for grazing (Stoddard and Smith 1956). In Utah about 93 percent of the land area or 48,900,000 acres is considered range land (Reuss and Blanch 1951). Although some of this range land is forested, a large area of it can be used only for grazing. Therefore, range livestock production is an important segment of western agriculture.
Before 19'00 most of the animals in the West grazed on the range all year. However, irrigation crop production has expanded …
Bird Watching Has Countless Rewards, Jessie Maye Smith
Bird Watching Has Countless Rewards, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.