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Articles 1 - 30 of 838
Full-Text Articles in Life Sciences
Effects Of 17Β-Estradiol On Distribution Of Pituitary Isoforms Of Luteinizing Hormone And Follicle-Stimulating Hormone During The Follicular Phase Of The Bovine Estrous Cycle, F. N. Kojima, Andrea S. Cupp, T. T. Stumpf, D. D. Zalesky, M. S. Roberson, L. A. Werth, M. W. Wolfe, Roger J. Kittok, H. E. Grotjan, J. E. Kinder
Effects Of 17Β-Estradiol On Distribution Of Pituitary Isoforms Of Luteinizing Hormone And Follicle-Stimulating Hormone During The Follicular Phase Of The Bovine Estrous Cycle, F. N. Kojima, Andrea S. Cupp, T. T. Stumpf, D. D. Zalesky, M. S. Roberson, L. A. Werth, M. W. Wolfe, Roger J. Kittok, H. E. Grotjan, J. E. Kinder
Department of Animal Science: Faculty Publications
The objective of this study was to examine the influence of 17β-estradiol (E2) on distribution of LH and FSH isoforms during the follicular phase of the bovine estrous cycle prior to the preovulatory surges of LH and FSH. On Day 16 of the estrous cycle (Day 0 = estrus), intact controls (CONT; n = 4) were treated with prostaglandin F2α (PGF2α) to induce luteal regression and initiation of the follicular phase. Other cows were also treated with PGF2α and either ovariectomized (OVX; n = 5) or ovariectomized and given E2 implants (OVXE; n …
Meeting Minutes, December 20th, 1994, National Smokejumper Association Executive Committee
Meeting Minutes, December 20th, 1994, National Smokejumper Association Executive Committee
National Smokejumper Association Meeting Minutes
Agenda: Old Business; Board Walk Travel; Travel From Washington Dc To Missoula; Ronald Young National Agriculture Library; Hotel/Motel; Camping At Fairgrounds. Restrooms Open?; Day Trips; News Letter; Motels, Car Rental, Airlines, And Listing Of Day Trips; Work Study Student; Membership Rosters; Rent Vs Direct Payment; Nsa To Pay Earl; Reunion; Planning Meetings; Invite Charter;
Cropwatch No. 94-24-2, Dec. 16, 1994, Lisa Brown Jasa
Cropwatch No. 94-24-2, Dec. 16, 1994, Lisa Brown Jasa
Crop Watch
Inside
1994 index .......................... 164
Grants for producers .......... 166
CropWatch order form........ 167
Annual survey .................... 167
Agricultural And Food Policy Preferences: The 1994 Perspectives Of South Dakota Agricultural Producers, Bashir Qasmi, John A. Sondey
Agricultural And Food Policy Preferences: The 1994 Perspectives Of South Dakota Agricultural Producers, Bashir Qasmi, John A. Sondey
Economics Research Reports
U.S. farm policies are reviewed, every five years concurrent with the drafting of new farm legislation. The present farm bill expires in 1995, and a new bill will be debated and enacted in 1995. Since farm and food policies have a major impact on farmers, information on their preferences with regard to these policies are invaluable to legislators as well as to different advocacy groups (working for farmers). The research was completed as a part of a 15 state study to document the agricultural and food policy preferences by agricultural producers. This report deals with the policy preferences of South …
Northeast Research Station Watertown, South Dakota Annual Progress Report, 1994, Agricultural Experiment Station, Plant Science Department
Northeast Research Station Watertown, South Dakota Annual Progress Report, 1994, Agricultural Experiment Station, Plant Science Department
Agricultural Experiment Station and Research Farm Annual Reports
This is the 1994 annual progress report for the Northeast Research Station in Watertown, South Dakota. This report is issued by the South Dakota Agricultural Experiment Station and the South Dakota State University Plant Science Department. This report includes information on the 1994 crop season, including: precipitation summary, crop performance trials, oat research forage yields, soybean breeding, various fungicide testing, weed control.
Daughter Cells Of Saccharomyces Cerevisiae From Old Mothers Display A Reduced Life Span, Nicanor Austriaco, Brian K. Kennedy, Leonard Guarente
Daughter Cells Of Saccharomyces Cerevisiae From Old Mothers Display A Reduced Life Span, Nicanor Austriaco, Brian K. Kennedy, Leonard Guarente
Biology Faculty Publications
The yeast Saccharomyces cerevisiae typically divides asymmetrically to give a large mother cell and a smaller daughter cell. As mother cells become old, they enlarge and produce daughter cells that are larger than daughters derived from young mother cells. We found that occasional daughter cells were indistinguishable in size from their mothers, giving rise to a symmetric division. The frequency of symmetric divisions became greater as mother cells aged and reached a maximum occurrence of 30% in mothers undergoing their last cell division. Symmetric divisions occurred similarly in rad9 and ste12 mutants. Strikingly, daughters from old mothers, whether they arose …
Characterization Of General Esterases From Susceptible And Parathion-Resistant Strains Of The Greenbug (Homoptera: Aphididae), Midori Ono, Jonathan S. Richman, Blair Siegfried
Characterization Of General Esterases From Susceptible And Parathion-Resistant Strains Of The Greenbug (Homoptera: Aphididae), Midori Ono, Jonathan S. Richman, Blair Siegfried
Department of Entomology: Faculty Publications
A susceptible and two parathion-resistant strains of the greenbug, Schizaphis graminum (Rondani), exhibit three different patterns of general esterase isozymes in native polyacrylamide electrophoresis gels. Characterization of general esterase activity using α -naphtholic esters as model substrates indicated that the three strains differed in isozyme composition. The type-I1 strain, which had the highest level of resistance, exhibited the highest levels of general esterase activity under all assay conditions, and the type-I strain had consistently higher levels than the susceptible strain. In all three strains, these esterases were more active toward α -naphtholic esters with side chains of six or fewer …
Isolation Of Three Hexahydro-1,3,5-Trinitro-1,3,5-Triazine- Degrading Species Of The Family Enterobacteriaceae From Nitramine Explosive-Contaminated Soil, Christopher Kitts, Daryl P. Cunningham, Pat J. Unkefer
Isolation Of Three Hexahydro-1,3,5-Trinitro-1,3,5-Triazine- Degrading Species Of The Family Enterobacteriaceae From Nitramine Explosive-Contaminated Soil, Christopher Kitts, Daryl P. Cunningham, Pat J. Unkefer
Biological Sciences
Three species of the family Enterobacteriaceae that biochemically reduced hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) were isolated from nitramine explosive-contaminated soil. Two isolates, identified as Morganella morganii and Providencia rettgeri, completely transformed both RDX and the nitroso-RDX reduction intermediates. The third isolate, identified as Citrobacter freundii, partially transformed RDX and generated high concentrations of nitroso-RDX intermediates. All three isolates produced 14CO2 from labeled RDX under O2-depleted culture conditions. While all three isolates transformed HMX, only M. morganii transformed HMX in the presence of RDX.
Native Vegetation Handbook For The Shire Of Tammin, Sarah J. Weaving
Native Vegetation Handbook For The Shire Of Tammin, Sarah J. Weaving
Native vegetation handbook series
This booklet provides land managers with information relating to the natural resources of the Shire of Tammin including the existing vegetation, drainage systems and soils. Some of the problems relating to the management of natural vegetation resources in the Shire of Tammin and possible solutions to these problems are also discussed. By providing this information it is hoped this booklet will contribute to the long term viability of the agricultural landscape and the conservation of native vegetation within the Shire.
Pb1533-Nipple Watering Systems For Broilers, The University Of Tennessee Agricultural Extension Service
Pb1533-Nipple Watering Systems For Broilers, The University Of Tennessee Agricultural Extension Service
Animals/Livestock
Nipple watering systems for broilers have become very popular in recent years. This is mainly because these systems save labor by eliminating the chore of cleaning waterers. Although labor is greatly reduced with nipple watering systems, this does not mean that they require less management. In fact, nipple waterers demand more time, knowledge and effort to operate properly than do open systems. Problems caused by insufficient or improper management of nipple watering systems can have a serious impact on broiler performance.
Procedures For The Administration And Assessment Of Clearing And Protection Of Native Vegetation In Western Australia, Alexander Mcrae Holm
Procedures For The Administration And Assessment Of Clearing And Protection Of Native Vegetation In Western Australia, Alexander Mcrae Holm
Soil conservation survey collection
It is Department of Agriculture policy that regulation is only used when all other approaches to address land degradation have failed. Our thrust is to encourage land holders to move towards using land within its capabilities as they continue to adopt sustainable farming systems. Underlying this approach is a self regulatory philosophy with land conservation district committees playing an important management and coordination role. Nevertheless the community expects that land degradation will be controlled and legislation is available to underpin or complement the good intentions of most land holders. The Soil and Land Conservation Act is the legislation used to …
Research Report No. 32, Trends Of Non-Straight Tree Stems In Loblolly And Slash Pine Plantations In East Texas, 1985-1994, H. Alexis Ross, J. David Lenhart
Research Report No. 32, Trends Of Non-Straight Tree Stems In Loblolly And Slash Pine Plantations In East Texas, 1985-1994, H. Alexis Ross, J. David Lenhart
Informal Project Reports
Trees from East Texas loblolly ( Pinus taeda L. ) and slash ( Pinus effiottii Engelm. ) pine plantations are one of the sources of raw material for conversion into products such as paper, veneer and lumber by East Texas forest product mills. The utilization of the planted trees may depend on various biological and economical factors. Factors such as tree size, tree condition, stumpage prices and interest rates can play a role in the merchandizing process.
One of the factors, tree condition, may be affected by tree crown position in canopy, incidence of disease, single stem and straightness of …
Southeast South Dakota Experiment Farm Annual Progress Report, 1994, Agricultural Experiment Station
Southeast South Dakota Experiment Farm Annual Progress Report, 1994, Agricultural Experiment Station
Agricultural Experiment Station and Research Farm Annual Reports
This thirty-fourth annual report of the research program at the Southeast South Dakota Experiment Farm has special significance for those engaged in agriculture and the agriculturally related businesses in the nine county area of southeast South Dakota. Reports in this document include information on: temperatures and precipitation data, corn production and performance, soybean research and planting, soil testing, alfalfa yield test, fertilizer testing, herbicide research, crop rotation, sorghum, small grains, livestock research, and pest and weed control.
Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume Ii Of Ii, National Park Service
Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume Ii Of Ii, National Park Service
Publications (WR)
This document presents the results of surface-water-quality data retrievals for Lake Mead National Recreation Area (LAME) from five of the United States Environmental Protection Agency's (EPA) national databases: (1) Storage and Retrieval (STORET) database management system; (2) River Reach File (RF3); (3) Industrial Facilities Discharge (IFD); (4) Drinking Water Supplies (DRINKS); and (5) Flow Gages (GAGES). This document is one product resulting from a cooperative contractual endeavor between the National Park Service's Servicewide Inventory and Monitoring Program, the National Park Service's Water Resources Division (WRD), and Horizon Systems Corporation to retrieve, format, and analyze water quality data for all units …
Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume I Of Ii, National Park Service
Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume I Of Ii, National Park Service
Publications (WR)
This document presents the results of surface-water-quality data retrievals for Lake Mead National Recreation Area (LAME) from five of the United States Environmental Protection Agency's (EPA) national databases: (1) Storage and Retrieval (STORET) database management system; (2) River Reach File (RF3); (3) Industrial Facilities Discharge (IFD); (4) Drinking Water Supplies (DRINKS); and (5) Flow Gages (GAGES). This document is one product resulting from a cooperative contractual endeavor between the National Park Service's Servicewide Inventory and Monitoring Program, the National Park Service's Water Resources Division (WRD), and Horizon Systems Corporation to retrieve, format, and analyze water quality data for all units …
Ua66/14/4 Kentucky Partnership Newsletter, Vol. Ii, No. 6, Kentucky Partnership For Farm Family Health & Safety
Ua66/14/4 Kentucky Partnership Newsletter, Vol. Ii, No. 6, Kentucky Partnership For Farm Family Health & Safety
University Organizations
Newsletter created by and about the Kentucky Partnership for Farm Family Health & Safety.
Accuracy Assessment Of The Large-Scale Dynamic Ocean Topography From Topex/Poseidon Altimetry, B. D. Tapley, D. P. Chambers, C. K. Shum, R. J. Eanes, J. C. Ries, R. H. Stewart
Accuracy Assessment Of The Large-Scale Dynamic Ocean Topography From Topex/Poseidon Altimetry, B. D. Tapley, D. P. Chambers, C. K. Shum, R. J. Eanes, J. C. Ries, R. H. Stewart
Marine Science Faculty Publications
The quality of TOPEX/POSEIDON determinations of the global scale dynamic ocean topography have been assessed by determining mean topography solutions for successive 10-day repeat cycles and by examining the temporal changes in the sea surface topography to identify known features. The assessment is based on the analysis of TOPEX altimeter data for cycles 1 through 36. Important errors in the tide model used to correct the altimeter data have been identified. The errors were reduced significantly by use of a new tide model derived with the TOPEX/POSEIDON measurements. Maps of the global 1-year mean topography, produced using four of the …
Presentation Of The President's Special Award For Distinguished Service, Daniel R. Brooks
Presentation Of The President's Special Award For Distinguished Service, Daniel R. Brooks
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Transcript of the presentation of the American Society of Parasitologists President's Special Award for Distinguished Service to Mary Louise Hanson Pritchard for 1994, by Daniel R. Brooks.
Phylogenetic Systematic Analysis Of The Trichostrongylidae (Nematoda), With An Initial Assessment Of Coevolution And Biogeography, Eric P. Hoberg, J. Ralph Lichtenfels
Phylogenetic Systematic Analysis Of The Trichostrongylidae (Nematoda), With An Initial Assessment Of Coevolution And Biogeography, Eric P. Hoberg, J. Ralph Lichtenfels
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Phylogenetic analysis of the subfamilies of the Trichostrongylidae based on 22 morphological transformation series produced a single cladogram with a consistency index (CI) = 74.2%. Monophyly for the family was supported by the structure of the female tail and copulatory bursa. Two major clades are recognized: the Cooperiinae clade with the basal Cooperiinae and Libyostrongylinae + Trichostrongylinae, and the Graphidiinae clade with the basal Graphidiinae and Ostertagiinae + Haemonchinae. Dendrograms presented by Durette- Desset (1985) (CI = 56.1%) and Lichtenfels (1987), based on the key to the Trichostrongylidae by Gibbons and Khalil (1982) (CI = 59.0%), were found to be …
Whooping Crane Sightings In Nebraska, August 1994-January 1995, Steven Anschutz
Whooping Crane Sightings In Nebraska, August 1994-January 1995, Steven Anschutz
Nebraska Bird Review
The first arrival at Aransas National Wildlife Refuge in southern Texas was on October 5, 1994, and the last arrivals (a family group) were on January 12, 1995, the latest date that an adult pair had ever arrived at Aransas. A total of 132 (125 adult/subadult and 7 young) Whooping Cranes are wintering at Aransas, including 3 birds that spent the summer at Aransas. A solitary chick sighted with Sandhill Cranes in Oklahoma on January 2, 1995 is the 133rd crane in the flock. Since, under optimum conditions, 148 cranes were expected to reach Aransas during the fall migration, the …
"Index To Volume 62," From Nebraska Bird Review (December 1994), R. G. Cortelyou
"Index To Volume 62," From Nebraska Bird Review (December 1994), R. G. Cortelyou
Nebraska Bird Review
Index (12 pages)
Albino? 151
Alt, Jim 54, 59(2), 62, 68, 72, 80, 82(2), 83, 88, 107, 113, 115, 143, 144, 149. 151
Amiotte, Sue 50
Anderson, Neal 96
Anschultz, Steven Whooping Crane
Sightings During Spring
Migration, 1994 94
Whooping Crane Sightings, August 1004 - January 1995 149
Avocet, American 20, 21, 73. 98, 107, 133 .
Babcock, Colleen 89
Barn-Owl, Common 24, 25, 77, 110
Barth, Roland 109, 115
Bedows, Elliot 88
Birkman, Marjorie 58, 59, 60, 60, 68, 73, 80, 87, 88
Bittern, American 66, 67, 104, 128 Least 5. 90. 104
Blackbird, Brewer's 46 , 47, 62 …
Excerpts From The Minutes Of The Nebraska Ornithologists' Union Executive Committee Meeting, September 10, 1994, Robin Harding
Excerpts From The Minutes Of The Nebraska Ornithologists' Union Executive Committee Meeting, September 10, 1994, Robin Harding
Nebraska Bird Review
The 1995 annual spring meeting and field trips will be held at Camp Calvin Crest near Fremont, NE May 19-21. Most of the Executive Committee members agreed that presentation of one scientific paper on Saturday afternoon would be a desirable addition. The 1995 annual fall meeting will be at Halsey National Forest 4-H camp, tentatively on October 6-8. The Executive Committee decided against having a winter meeting.
Alice Kenitz discussed the printing of the Nebraska Ornithologists' Union (NOU) Field Card of Nebraska Birds. She reported that there may be some money available from the Nebraska Game and Parks Commission to …
Masthead From Nebraska Bird Review (December 1994)
Masthead From Nebraska Bird Review (December 1994)
Nebraska Bird Review
The Nebraska Bird Review is published quarterly in March, June, September, and December by the Nebraska Ornithologists' Union, Inc., as its official journal, and is sent to members not in' arrears for dues. Annual subscription rates (on a calendar-year basis only): $12.50 in the United States, $15.00 in Canada and Mexico, and $17.50 for all other countries, payable in advance. Single copies are $4.00 each, postpaid, in the United States, and $5.00 elsewhere. Send orders for back issues to Mary H. Pritchard, NOU Librarian, University of Nebraska State Museum, Lincoln, NI 68588-0514.
"Notes On Bird Sightings In Nebraska," From Nebraska Bird Review (December 1994)
"Notes On Bird Sightings In Nebraska," From Nebraska Bird Review (December 1994)
Nebraska Bird Review
Northern Waterthrush. At 9:35 a.m. on December 14, and again at 10:15 a.m. on December 21, 1994, I observed what I believe was the same bird on a Burlington Northern railroad embankment north of Gifford Road in Fontenelle Forest, Bellevue, NE. On December 14, I saw it for 7 seconds. It vocalized with a sharp "chink" as it hopped up on a fallen log, then vocalized again 6-7 seconds later as it jumped down into thick underbrush. It was silent on December 21, but I observed it for at least ten minutes as it walked at the foot of a …
Fall Field Report, August-November 1994, W. Ross Silcock, Richard C. Rosche
Fall Field Report, August-November 1994, W. Ross Silcock, Richard C. Rosche
Nebraska Bird Review
The fall season is a long one in terms of bird movements. The SUMMER FIELD REPORT detailed the post-breeding wanderings of herons and the beginning of shorebird migration. This report covers the end of these and the southward movements of insectivorous passerines, mainly in August and September, while seedeaters such as sparrows follow, mainly in September and October. Waterfowl generally bring up the rear, moving south just ahead of the freeze-up.
The fall season is probably the most exciting time for rare bird enthusiasts, as young birds of many species wander, often aimlessly, at this time of year before they …
Whole Issue Nebraska Bird Review (December 1994) 62(4)
Whole Issue Nebraska Bird Review (December 1994) 62(4)
Nebraska Bird Review
Table of Contents
Fall Field Report, August - November, 1994 ......................126
Observers for Fall Field Report ......................149
Whooping Crane Sightings, August 1994 - January 1995 ......................149
Notes on Bird Sightings in Nebraska ......................150
Excerpts from Minutes of NOU Executive Committee Meeting......................151
Index to Volume 62......................152
Second Intermediate Host-Specificity Of Haematoloechus Complexus And Haematoloechus Medioplexus (Digenea: Haematoloechidae), Scott D. Snyder, John J. Janovy
Second Intermediate Host-Specificity Of Haematoloechus Complexus And Haematoloechus Medioplexus (Digenea: Haematoloechidae), Scott D. Snyder, John J. Janovy
Biology Faculty Publications
Second intermediate host-specificity was examined for two species of the frog lung fluke genus Haematoloechus. Nine species of freshwater arthropods were exposed to cercariae of H. complexus and H. medioplexus. Metacercariae of H. complexus developed in all arthropod species used. Metacercariae of H. medioplexus developed only in anisopteran odonate naiads. This difference in host utilization may have epizootiological implications. The potential development of H. complexus in a greater number of arthropods than H. medioplexus may increase the chances of ingestion of H. complexus by an anuran host. The range of arthropods parasitized by H. complexus indicates that host-specificity …
Ard News December 1994
Agricultural Research Division: News and Annual Reports
CONTENTS:
SEASON'S GREETINGS
INDIRECT COST RECOVERY BY ARD UNITS DURING FY 1994
USDA REORGANIZATION
NEW ARD PUBLICATIONS
DEVELOPMENT OF GRADUATE EDUCATION PROGRAMS
ARD ADMINISTERED GRANT AND AWARDS PROGRAMS
INDIRECT COSTS: MYTHS, FACTS AND FACILITIES
SPECIAL RESEARCH GRANT PROGRAM A WARDS
GRANTS AND CONTRACTS RECEIVED OCTOBER AND NOVEMBER, 1994
NEW OR REVISED PROJECTS
PROPOSALS SUBMITTED FOR FEDERAL GRANTS
The Prairie Naturalist Volume 26, No. 4. December 1994
The Prairie Naturalist Volume 26, No. 4. December 1994
The Prairie Naturalist
REPRODUCTION OF RING-NECKED PHEASANTS IN IOWA ▪ T Z. Riley, J. B. Wooley, Jr. , and W. B. Rybarczyk
DIETARY COMPARISONS OF ADULT MALE COMMON GRACKLES, RED-WINGED BLACKBIRDS, AND YELLOW-HEADED BLACKBIRDS IN NORTH CENTRAL NORTH DAKOTA ▪ H. J. Homan, GM. Linz, W. J. Bleier, and R. B. Carlson
ECOGEOGRAPHY OF SOUTHERN BOG LEMMING AND MEADOW VOLE IN NORTH CENTRAL KANSAS ▪ T. L. Welker and J. R. Choate
SUMMER AND FALL FOOD HABITS OF COYOTES IN SOUTHWESTERN NORTH DAKOTA ▪ T. L. Lewis, W. F. Jensen, K. A. Keehr, and R. W. Seabloom
MOVEMENT PATTERNS OF WHITE-TAILED DEER AT …
Correlation Between Precolonization Of Trigeminal Ganglia By Attenuated Strains Of Pseudorabies Virus And Resistance To Wild-Type Virus Latency, L. M. Schang, G. F. Kutish, Fernando A. Osorio
Correlation Between Precolonization Of Trigeminal Ganglia By Attenuated Strains Of Pseudorabies Virus And Resistance To Wild-Type Virus Latency, L. M. Schang, G. F. Kutish, Fernando A. Osorio
Nebraska Center for Virology: Faculty Publications
We compared the levels of latent pseudorabies virus (PRV) DNA in trigeminal ganglia (TG) of pigs after intranasal inoculation of different PRV strains by using quantitative DNA PCR. The extent of colonization attained in each case varied significantly according to the type of strain and inoculum dose, wild-type (WT) PRV being the most efficient strain in colonizing TG. When groups of pigs representing different levels of precolonization of TG with an attenuated PRV strain were challenged with WT PRV, it became evident that there is a statistically significant inverse correlation between the extent of precolonization attained by an attenuated PRV …