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Articles 5431 - 5460 of 6538
Full-Text Articles in Entire DC Network
An Ecological Risk Assessment Of Lead Shot Exposure In Non-Waterfowl Avian Species: Upland Game Birds And Raptors, Ronald J. Kendall, Thomas E. Lacher Jr., Christine Bunck, Bernard Daniel, Crystal Driver, Christian E. Grue, Frederick Leighton, William Stansley, Philip G. Watanabe, Molly Whitworth
An Ecological Risk Assessment Of Lead Shot Exposure In Non-Waterfowl Avian Species: Upland Game Birds And Raptors, Ronald J. Kendall, Thomas E. Lacher Jr., Christine Bunck, Bernard Daniel, Crystal Driver, Christian E. Grue, Frederick Leighton, William Stansley, Philip G. Watanabe, Molly Whitworth
United States Environmental Protection Agency: Publications
There is increasing concern that birds in terrestrial ecosystems may be exposed to spent lead shot. Evidence exists that upland birds, particularly mourning doves (Zenaida macroura), ingest spent lead shot and that raptors ingest lead shot by consuming wounded game. Mortality, neurological dysfunction, immune suppression, and reproductive impairment are documented effects of exposure to lead in birds. An ecological risk assessment on the impact of lead shot exposure in upland birds was conducted and is presented in the context of the new United States Environmental Protection Agency’s Ecological Risk Assessment Paradigm. A considerable amount of spent lead shot …
Observations On Bats At Badlands National Park, South Dakota, Michael A. Bogan, Jeffrey G. Osborne, Jennifer A. Clarke
Observations On Bats At Badlands National Park, South Dakota, Michael A. Bogan, Jeffrey G. Osborne, Jennifer A. Clarke
United States Geological Survey: Staff Publications
During the summers of 1992 and 1993, we conducted a survey of bats at Badlands National Park, South Dakota. Using mist nets, we captured bats and recorded species, sex, age class, and reproductive condition for each individual netted. We recorded five species, Myotis ciliolabrnm (n = 198), M. thysanodes (29), M volans (13), Eptesicus foscus (91), and Plecotus tawnsendii (43), previously known from the park. In addition, we added four species, M lucifugus (18), M. septentrionalis (9), Lasionycteris noctivagans (1), and Lasiurns cinereus (3) to the confirmed fauna of the park. Most bats captured were male (76.3%) although maternity colonies …
Activation Of Shiga-Like Toxins By Mouse And Human Intestinal Mucus Correlates With Virulence Of Enterohemorrhagic Escherichia Coli O91:H21 Isolates In Orally Infected, Streptomycin-Treated Mice, Angela R. Melton-Celsa, Stephen C. Darnell, Alison D. O'Brien
Activation Of Shiga-Like Toxins By Mouse And Human Intestinal Mucus Correlates With Virulence Of Enterohemorrhagic Escherichia Coli O91:H21 Isolates In Orally Infected, Streptomycin-Treated Mice, Angela R. Melton-Celsa, Stephen C. Darnell, Alison D. O'Brien
Uniformed Services University of the Health Sciences
The enterohemorrhagic Escherichia coli (EHEC) O91:H21 isolates B2F1 and H414-36/89 are virulent in an orally infected streptomycin-treated mouse model. Previous studies demonstrated that B2F1 and H414-36/89 grow to high levels in mucus isolated from the mouse small intestine and colon and that growth in smallintestinal mucus is related to virulence. We measured the levels of Shiga-like toxins (SLTs) SLT-IIvha and SLT-IIvhb produced by B2F1 after growth in Luria-Bertani (LB) broth supplemented with mouse intestinal mucus by assaying the cytotoxicity of culture supernatants on Vero cells. Culture supernatants from B2F1 grown in mouse intestinal mucus, but not EHEC strains that produce …
1996 Platte River Basin Ecosystem Symposium Proceedings
1996 Platte River Basin Ecosystem Symposium Proceedings
Water Current Newsletter
No abstract provided.
Managing Plague In Endangered Species Habitats, Frederick J. Harrison Jr.
Managing Plague In Endangered Species Habitats, Frederick J. Harrison Jr.
Vertebrate Pest Conference Proceedings: 17th (1996)
Plague is an endemic disease among field rodents in the southwestern United States. Epizootic outbreaks of this disease increase the risk of human infection where man comes into contact with infected rodents or their fleas. The risk is further increased when colonial rodents are involved, since these animals are usually found in large numbers and are often found in locations where people live, work, or enjoy recreational activities. Elimination of large numbers of susceptible rodents from a particular location following a plague epizootic usually results in a quiescent period when plague is neither a threat to those rodents moving into …
Is Physical Boar Exposure Required For Accurate Detection Of Estrus In Gilts?, Dwane Zimmerman, Denny Aherin, Jeff Hall
Is Physical Boar Exposure Required For Accurate Detection Of Estrus In Gilts?, Dwane Zimmerman, Denny Aherin, Jeff Hall
Nebraska Swine Reports
Accuracy of estrus detection in response to physical (PBE) vs fenceline (FBE) boar exposure was evaluated in 40 gilts during two successive estrous periods. Gilts heat checked with FBE expressed shorter estrous periods (.6 day) than PBE gilts. Estrus was detected within five minutes of boar exposure in 100 percent of gilts on both treatments except for PBE gilts on the first day of estrus. The first day of estrus was expressed after five minutes of boar exposure in 16.2 percent of PBE vs 0 percent of FBE gilts. The PBE gilts may be near the beginning of estrus. They …
Age And Synchrony Of First Estrus In Gilts As Influenced By Type And Duration Of Daily Boar Exposure (Be), Dwane Zimmerman, Thomas Mcgargill, Norm Rohda, Jeff Hall
Age And Synchrony Of First Estrus In Gilts As Influenced By Type And Duration Of Daily Boar Exposure (Be), Dwane Zimmerman, Thomas Mcgargill, Norm Rohda, Jeff Hall
Nebraska Swine Reports
Fence-line boar exposure (FBE) and physical boar exposure (PBE), each with durations of 10 minutes or four hours, were evaluated for their ability to trigger puberty in gilts. Gilts provided PBE attained puberty 11.8 days earlier than gilts provided FBE. Duration of boar contact was without effect. Earlier age at first estrus resulted, in large part, from a more rapid pubertal response after initiation of boar exposure (BE). The mean interval from initiation of BE to pubertal estrus was 13.5 days for PBE gilts and 24.8 days for FBE gilts. Fence-line boar exposure stimulates earlier puberty in gilts (shown in …
National Swine Improvement Federation Ultrasound Certification Workshops, Doyle Wolverton, Dennis E. Burson, Thomas Socha
National Swine Improvement Federation Ultrasound Certification Workshops, Doyle Wolverton, Dennis E. Burson, Thomas Socha
Nebraska Swine Reports
Twenty-three people participated in two National Swine Improvement Federation ultrasound certification workshops in January 1995. Each participant’s ability to predict backfat and loin muscle area on live market hogs was determined. IBP Inc,. Madison, Nebraska cooperated in the collection of carcass data for certification purposes. Nine participants were certified for backfat and loin eye readings and eight participants qualified for certification of backfat only. The workshops provided the pork industry with additional expertise in the use of ultrasonic measurements to determine backfat and loin muscle area on live swine.
Slaughter Hog Price Patterns At Omaha, Al Wellman
Slaughter Hog Price Patterns At Omaha, Al Wellman
Nebraska Swine Reports
Omaha slaughter hog prices from 1975 to 1994 were used to indicate the price patterns that tend to be repeated year to year. A monthly price index and variability of the monthly price were calculated. Strong seasonal price patterns were observed. The price patterns can be used to determine likely price trends during the year. The price data can be used to assist producers with their marketing plan and price forecasting for the future.
New Swine Nutrition Guide Available, Duane Reese
New Swine Nutrition Guide Available, Duane Reese
Nebraska Swine Reports
A new swine nutrition guide from the University of Nebraska and South Dakota State University is available for pork producers, veterinarians, and others. The guide addresses many fundamentals of swine nutrition and modern feeding program design. Single copies are available for $1 from a Cooperative Extension Office in Nebraska or by writing to Swine Nutrition, PO Box 830918, Lincoln, NE 68583- 0918. Mail orders must include 55 cents shipping and appropriate sales tax. The guide should help readers develop better feeding strategies for pigs.
Gelatinized High Added-Water Pork Skin Connective Tissue Protein Gels As Potential Water Binders, Wesley Osburn, Roger W. Mandigo
Gelatinized High Added-Water Pork Skin Connective Tissue Protein Gels As Potential Water Binders, Wesley Osburn, Roger W. Mandigo
Nebraska Swine Reports
Heating pork skin connective tissue (PCT) obtained from pork carcasses may enhance its water binding ability due to partial conversion of connective tissue collagen to gelatin. Upon cooling, the protein gel partially reforms, and may entrap added water. Incorporation of this recovered protein as a high added-water gel in reduced-fat products may improve product juiciness and palatability. The objectives of this study were to determine temperature and time variables that enhance conversion of connective tissue collagen to gelatin and determine basic properties of high added-water pork skin connective tissue gels. Heating PCT at 158oF for 30 minutes released more gel-water …
Performance Of Growing-Finishing Pigs Consuming Diets Formulated On An Ideal Protein (First Four Limiting Amino Acids) Basis, Phillip S. Miller, Austin Lewis, Cynthia Wolverton, Christopher Borland
Performance Of Growing-Finishing Pigs Consuming Diets Formulated On An Ideal Protein (First Four Limiting Amino Acids) Basis, Phillip S. Miller, Austin Lewis, Cynthia Wolverton, Christopher Borland
Nebraska Swine Reports
An experiment with growing-finishing pigs was conducted to evaluate the effects of a corn-soybean meal diet supplemented with crystalline amino acids in an ideal pattern for the first four limiting amino acids (lysine, tryptophan, threonine, and methionine) on growth performance, plasma urea concentration, and carcass characteristics in barrows and gilts. Barrows were pair-fed to gilts within the same dietary treatment. For the entire growing- finishing period, there was a diet x sex interaction for daily gain and feed efficiency. Barrows and gilts consuming a corn-soybean meal diet performed similarly; however, barrows receiving diets formulated on an ideal protein basis had …
Bioavailability Of Iron In Two Different Sources For Weanling Pigs, Austin Lewis, Phillip S. Miller, Cynthia Wolverton
Bioavailability Of Iron In Two Different Sources For Weanling Pigs, Austin Lewis, Phillip S. Miller, Cynthia Wolverton
Nebraska Swine Reports
The bioavailability of the iron in iron methionine was compared with that in feed-grade ferrous sulfate. Pigs, which were anemic at weaning, were given diets containing supplements of one of the two iron sources. Iron supplementation increased weight gain and hemoglobin repletion. The increases were greater for ferrous sulfate than for iron methionine. This indicates that the iron in ferrous sulfate is more bioavailable than the iron in the iron methionine source that we investigated.
The Effect Of Photoperiod On Sexual Development In Young Boars, Donald G. Levis, Andrew Paterson, Hugh Payne
The Effect Of Photoperiod On Sexual Development In Young Boars, Donald G. Levis, Andrew Paterson, Hugh Payne
Nebraska Swine Reports
The effects of photoperiod in stimulating reproductive function in prepubertal boars was studied in 40 crossbred boars. One group of boars was exposed to a regimen where day length was increased from 12 to 14.5 h/d (from 8 to 20 weeks of age) and then decreased from 14.5 to 12 h/d (from 20 to 32 weeks of age); whereas, the other group of boars was exposed to a regimen where day length was decreased from 12 to 9.5 h/d and then increased from 9.5 to 12 h/d. Exposing prepubertal boars to a long photoperiod inhibited the development of the testis …
1995 Nebraska Swine Enterprise Records Program Results, Dale Kabes, Mike Brumm, Larry Bitney
1995 Nebraska Swine Enterprise Records Program Results, Dale Kabes, Mike Brumm, Larry Bitney
Nebraska Swine Reports
Data from cooperators participating in the Nebraska Swine Enterprise Records and Analysis Program were summarized for the period January to June 1995 and July 1, 1994 to June 30, 1995. Results continue to show significant variability in production and financial parameters among individual swine enterprises. The results indicate that efficient, well managed swine enterprises can be profitable and competitive in a dynamic industry.
Plasma Fsh Concentration In Young Boars And Gilts From Lines That Differ In Ovulation Rate And Litter Size, Rodger K. Johnson, Joe Cassady
Plasma Fsh Concentration In Young Boars And Gilts From Lines That Differ In Ovulation Rate And Litter Size, Rodger K. Johnson, Joe Cassady
Nebraska Swine Reports
Four experiments were conducted to determine whether boars and gilts from selected lines that differ in ovulation rate and litter size also differ in plasma concentrations of Follicle Stimulating Hormone (FSH). Plasma FSH was studied because it is a potential indicator trait of ovulation rate. Plasma concentrations of FSH in young boars and gilts differed between the select and the control line. It is likely that this difference is due to a correlated response to selection for ovulation rate. Therefore, plasma concentration of FSH in young boars and gilts may be a trait that can be used effectively to indirectly …
Impact Of Cooking Method On Quality Of Boneless Pork Loin Roasts, Fayrene Hamouz, Judith Batenhorst, Judy A. Driskell, Roger W. Mandigo
Impact Of Cooking Method On Quality Of Boneless Pork Loin Roasts, Fayrene Hamouz, Judith Batenhorst, Judy A. Driskell, Roger W. Mandigo
Nebraska Swine Reports
Chef’s Prime™ pork loin roasts were roasted, braised and cooked in a bag at an oven temperature of 325°F to an internal temperature of 160 or 180°F. Roasting improved yield and surface browning of Chef’s Prime™ roasts. While roasting and braising resulted in similar quality, the presence of moisture (braising and cook-in bag) reduced cooking time. Cooking in the bag had the greatest impact on quality characteristics as these roasts were least tender and they tended to be less juicy and favorable than braised or roasted loins. Reduction of the final internal temperature from 180 to 160°F did not improve …
The Effects Of Tallow Addition To The Diets Of Lactating Sows On Hormone And Metabolite Concentrations, Paul Ermer, Scott Tilton, Phillip S. Miller, Austin Lewis, Cynthia Wolverton
The Effects Of Tallow Addition To The Diets Of Lactating Sows On Hormone And Metabolite Concentrations, Paul Ermer, Scott Tilton, Phillip S. Miller, Austin Lewis, Cynthia Wolverton
Nebraska Swine Reports
The metabolic responses of sows fed a corn-soybean meal or a corn-soybean meal-10% tallow diet were measured. The addition of tallow to lactating sows diets had no effect on feed or energy intake. In addition, there were no effects on the concentrations of glucose, non-esterified fatty acids (NEFA), insulin, or glucagon. No differences in either the time spent consuming feed or the number of meals consumed were observed. Finally, no linear association between eating time and area under the curve for insulin was observed for sows consuming either diet. These results show the addition of tallow to lactation diets does …
Pathogenicity Of Intestinal Spirochetes Associated With Porcine Colonic Spirochetosis, Gerald Duhmel, Nagaraja Muniappa, Michelle R. Mathiesen
Pathogenicity Of Intestinal Spirochetes Associated With Porcine Colonic Spirochetosis, Gerald Duhmel, Nagaraja Muniappa, Michelle R. Mathiesen
Nebraska Swine Reports
We reported on a new species of intestinal spirochete bacterium, Serpulina pilosicoli/, associated with a diarrheal disease of grower-finisher swine, called porcine colonic spirochetosis (PCS). In this report we show that Serpulina pilosicoli, associated with outbreaks of PCS in the United States, attached to the cecal surface of chicks while Serpulina innocens, a non-pathogenic intestinal spirochete, did not. These findings support a role for Serpulina pilosicoli as a cause of diarrhea and reduced feed efficiency in swine.
The Effects Of Dietary Protein Concentration On Performance And Visceral Organ Mass In Finishing Barrows And Gilts, Hsin-Yi Chen, Austin Lewis, Phillip S. Miller
The Effects Of Dietary Protein Concentration On Performance And Visceral Organ Mass In Finishing Barrows And Gilts, Hsin-Yi Chen, Austin Lewis, Phillip S. Miller
Nebraska Swine Reports
The response of finishing barrows and gilts to five dietary protein concentrations was evaluated. Barrows and gilts have different requirements for protein and differ in their sensitivities to excessive intakes of protein. Gilts appeared to be affected by dietary protein concentrations to a greater extent than did barrows. Significant differences in weight gain did not occur but, the lowest average daily gain was for pigs fed the two highest protein levels. Increased dietary protein concentration resulted in increased liver, kidney, and pancreas weights. These data indirectly suggest that maintenance energy requirements of barrows and gilts may be increased as dietary …
Porcine Reproductive And Respiratory Syndrome (Prrs), Angela Baysinger
Porcine Reproductive And Respiratory Syndrome (Prrs), Angela Baysinger
Nebraska Swine Reports
The porcine reproductive and respiratory syndrome (PRRS) virus has adverse affects on the breeding herd and growing pigs. Through field experiences and research, the clinical signs, spread, and diagnosis of PRRS are better understood. Vaccination and improved pig flow are tools available to control PRRS but, the ultimate foundation for controlling, eliminating, and avoiding the virus is better management.
Divine Worth: Weaving And The Ancestors In Highland Madagascar, Rebecca L. Green
Divine Worth: Weaving And The Ancestors In Highland Madagascar, Rebecca L. Green
Textile Society of America: Symposium Proceedings
Textiles in Madagascar actively link the living and their ancestors and are therefore fundamental cultural components of the highland Merina and Betsileo peoples. The elaborate relationships between weaving, the ancestors, and reburial practices are issues that reflect a complex world of spiritual power, social significance, and potent symbolism. This paper is based upon my research in Madagascar's central highlands, where I lived and studied art, life, and culture among the Merina and Betsileo. In particular, I am interested in the powerful relationships between the living and the dead that are experienced and negotiated through periodic reburials and the manipulation of …
Preservation Eastern Newsletter, December 1996, Preservation Eastern
Preservation Eastern Newsletter, December 1996, Preservation Eastern
Post & Lintel
No abstract provided.
Ophelia, Go Home ! : The Life Story Of Ophelia Killens, James Fredrick Barger
Ophelia, Go Home ! : The Life Story Of Ophelia Killens, James Fredrick Barger
Electronic Theses and Dissertations
No abstract provided.
Commercial Exploitation Or Protected Use? Stern V. Delphi Internet Services Corporation And The Erosion Of The Right Of Publicity, Aaron J. Reber, Karin Mika
Commercial Exploitation Or Protected Use? Stern V. Delphi Internet Services Corporation And The Erosion Of The Right Of Publicity, Aaron J. Reber, Karin Mika
Touro Law Review
No abstract provided.
The Chick Social-Separation Stress Model : Specification Of Dose-Response Functions For The Benzodiazepine Agonist Chlordiazepoxide And The Benzodiazepine Inverse Agonist Fg-7142 (N-Methyl-B-Carboline-3-Carboxamide) / By George Stennis Watson, George Stennis Watson
Electronic Theses and Dissertations
No abstract provided.
Feeling The Pulse : A Portrait Of Junior Kimbrough, Steffen Hartleib
Feeling The Pulse : A Portrait Of Junior Kimbrough, Steffen Hartleib
Electronic Theses and Dissertations
No abstract provided.
Rapid Screening Of Crude Plant Extracts For Anticancer Activity Using A Lambda Prophage Induction Assay, Kenneth Jones
Rapid Screening Of Crude Plant Extracts For Anticancer Activity Using A Lambda Prophage Induction Assay, Kenneth Jones
Electronic Theses and Dissertations
No abstract provided.