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Articles 31 - 60 of 353
Full-Text Articles in Entire DC Network
Comparison Of Heat Tolerance Of Feedlot Heifers Of Different Breeds, Tami M. Brown-Brandl, John A. Nienaber, Roger A. Eigenberg, Terry L. Mader, J.L. Morrow, J.W. Dailey
Comparison Of Heat Tolerance Of Feedlot Heifers Of Different Breeds, Tami M. Brown-Brandl, John A. Nienaber, Roger A. Eigenberg, Terry L. Mader, J.L. Morrow, J.W. Dailey
Department of Animal Science: Faculty Publications
Heat stress in cattle causes decreases in feed intake and feed efficiency; in extreme cases, it can cause death. These losses amount to millions of dollars each year. A study was designed to determine severity of heat stress among four breeds of cattle. Throughout two summers, 256 feedlot heifers of four different breeds were observed. Respiration rates, panting scores, and surface temperatures were taken twice each day on 10 animals/breed for several weeks during the summers of 2002 and 2003. Twenty-four-hour behavior measurements were recorded for four heat-stress and four thermoneutral days. Results showed during the afternoon, Angus cattle (black) …
The Lobster Bulletin, Fall 2006, Lobster Institute, University Of Maine
The Lobster Bulletin, Fall 2006, Lobster Institute, University Of Maine
Lobster Bulletin
The Lobster Bulletin newsletter includes research updates, and information on lobsters and the lobster industry. The Lobster Institute at the University of Maine is dedicated to protecting and conserving the lobster resource, and enhancing lobstering as an industry and a way of life.
Headlines in the Fall 2006 issue include:
- Lobster Institute C.O.R.E. Campaign Receives $100,000 Riverdale Challenge
- Maine Aquatic Animal Health Laboratory to be Outfitted with State-of-the Art Equipment
- A Region-Wide Organization
- Research Report: Equipping the Maine Aquatic Animal Health Laboratory
- Research Report: Immunology Response of Lobster Hemolymph
- Research Report: The New England Lobster Research Initiative Announces 2006 Grant …
Lpe Center News, October 2006
Livestock and Poultry Environmental Learning Center Newsletters
In this issue: • November Webcast to Focus on Pathogens • Webcast Archive Has Been Created/Trouble-Shooting Webcast Connections • USGS Program Measures and Monitors Water Quality • Center for Conservation Incentives Works to Create Partnerships
The Locomotor Kinematics Of Asian And African Elephants: Changes With Speed And Size, John R. Hutchinson, Delf Schwerda, Daniel J. Famini, Robert H.I. Dale, Martin S. Fischer, Rodger Kram
The Locomotor Kinematics Of Asian And African Elephants: Changes With Speed And Size, John R. Hutchinson, Delf Schwerda, Daniel J. Famini, Robert H.I. Dale, Martin S. Fischer, Rodger Kram
Scholarship and Professional Work - LAS
For centuries, elephant locomotion has been a contentious and confusing challenge for locomotion scientists to understand, not only because of technical difficulties but also because elephant locomotion is in some ways atypical of more familiar quadrupedal gaits. We analyzed the locomotor kinematics of over 2400 strides from 14 African and 48 Asian elephant individuals (body mass 116-4632 kg) freely moving over ground at a 17-fold range of speeds, from slow walking at 0.40 m s-1 to the fastest reliably recorded speed for elephants, 6.8 m s-1. These data reveal that African and Asian elephants have some subtle …
A Scoping Paper : Matters Relevant To The Development Of A Sustainable Allocation And Growout Modul For Western Lobster Pueruli, Department Of Fisheries Western Australia
A Scoping Paper : Matters Relevant To The Development Of A Sustainable Allocation And Growout Modul For Western Lobster Pueruli, Department Of Fisheries Western Australia
Fisheries management papers
This Scoping Paper has been prepared as a first step in the development of a management framework for a commercial western rock lobster puerulus growout aquaculture industry in Western Australia. The purpose of this Scoping Paper is to identify and scope the issues associated with the development of such an industry and to identify matters which should be considered in the development of a management framework.
Assessing Wavelength Discrimination Abilities In The Zebrafish (Danio Rerio) Using Appetitive Choice Discrimination Learning, Tim Thornberry
Assessing Wavelength Discrimination Abilities In The Zebrafish (Danio Rerio) Using Appetitive Choice Discrimination Learning, Tim Thornberry
Mahurin Honors College Capstone Experience/Thesis Projects
In the past few decades, the zebrafish has become a popular vertebrate model in various fields of research, especially visual neuroscience, where the versatile zebrafish model has been used for anatomical, physiological, genetic, developmental, and behavioral research. Anatomical and physiological studies have shown that the zebrafish has the necessary mechanisms required for color vision. However, to date, there is no evidence that zebrafish behavior is regulated by color vision. This project used an appetitive choice discrimination paradigm to assess the ability of the zebrafish to modify its behavior based exclusively on color cues. Subjects were conditioned to associate a food …
Effect Of Varying Metabolizable Energy And Crude Protein Concentrations In Diets Of Pearl Gray Guinea Fowl Pullets 1. Growth Performance, Samuel N. Nahashon, Nathaniel Adefope, Abravi Amenyenu, D. Wright
Effect Of Varying Metabolizable Energy And Crude Protein Concentrations In Diets Of Pearl Gray Guinea Fowl Pullets 1. Growth Performance, Samuel N. Nahashon, Nathaniel Adefope, Abravi Amenyenu, D. Wright
Agricultural and Environmental Sciences Faculty Research
This study was undertaken to assess dietary ME and CP concentrations for optimum growth performance of Pearl Gray guinea fowl pullets. In a 3 × 3 factorial arrangement, 540 one-day-old Pearl Gray guinea keets were randomly assigned to experimental diets with 2,900, 3,000, and 3,100 kcal of ME/kg of diet, each containing 20, 22, and 24% CP, respectively, from 0 to 8 wk of age (WOA). From 9 to 16 WOA, these diets were adjusted to contain 3,000, 3,100, and 3,200 kcal of ME/ kg, and each had 17, 19, and 21% CP, respectively. Each dietary treatment was replicated 4 …
The Effects Of The Makgadikgadi Wildlife Fence On Cattle Populations And Local Cattle Industry, Jenny Hazelhurst, Elliot Vander Kolk
The Effects Of The Makgadikgadi Wildlife Fence On Cattle Populations And Local Cattle Industry, Jenny Hazelhurst, Elliot Vander Kolk
Independent Study Project (ISP) Collection
This study was conducted to determine the effects of the erection of the Makgadikgadi wildlife fence along the western border of the Makgadikgadi Pans National Park on cattle populations and livestock owners to the west of the fence. Cattle foraging behavior and movement patterns were recorded using GPS and focal observation methods to determine resource use and pressures affecting the populations. Interviews were also conducted in the area of Meno-a-Kwena camp to examine the effects of the fence on the economics of the local cattle industry. Signs of resource stress were found in the continued selection of poor quality forage, …
Wild Bird Banding And Testing For Avian Influenza In The Plain Of Reeds, Vietnam, Kyle Campbell
Wild Bird Banding And Testing For Avian Influenza In The Plain Of Reeds, Vietnam, Kyle Campbell
Independent Study Project (ISP) Collection
Highly pathogenic avian influenza (HPAI) virus H5N1 presents an incredible threat to human and animal health throughout the planet. Little is known about the prevalence of this virus in wild bird populations; however it is evident that the virus has spread throughout most of Asia, Eastern Europe and North Africa through well established migratory flyways. Although H5N1 was first detected in central China, Vietnam has been hit the hardest by this virus, with nearly one hundred human cases to date (World Health Organization, 2006) and one hundred twenty million dollars lost in their poultry industry (Gov. of USA, 2005). Even …
New Distribution Records For Amphibians And Reptiles In Connecticut, With Notes On The Status Of An Introduced Species, Gregory J. Watkins-Colwell, Twan Leenders, Brian T. Roach, Daniel J. Drew, Gregg Dancho, Jeanne Yuckienuz
New Distribution Records For Amphibians And Reptiles In Connecticut, With Notes On The Status Of An Introduced Species, Gregory J. Watkins-Colwell, Twan Leenders, Brian T. Roach, Daniel J. Drew, Gregg Dancho, Jeanne Yuckienuz
Biology Faculty Publications
Recent field work and a review of catalogued specimens in the herpetology collections at the Yale Peabody has yielded 170 new town records for amphibians and reptiles in Connecticut. These are reported here, along with observations on the status of the red-ear slider (Trachemys scripta) in Connecticut.
Detection Of Panulirus Argus Virus 1 (Pav1) In The Caribbean Spiny Lobster Using Fluorescence In Situ Hybridization (Fish), Caiwen Li, Jeffrey D. Shields, Hamish J. Small, Kimberly S. Reece, Carmony L. Hartwig, Roland A. Cooper, Robert E. Ratzlaff
Detection Of Panulirus Argus Virus 1 (Pav1) In The Caribbean Spiny Lobster Using Fluorescence In Situ Hybridization (Fish), Caiwen Li, Jeffrey D. Shields, Hamish J. Small, Kimberly S. Reece, Carmony L. Hartwig, Roland A. Cooper, Robert E. Ratzlaff
Biological Sciences Faculty Publications
Panulirus argus Virus 1 (PaV1) is the first virus known to be pathogenic to a wild lobster. It infects the Caribbean spiny lobster P. argus from the Florida Keys, and has a predilection for juveniles. The monitoring of the virus in wild populations and study of its behavior in the laboratory require the development of reliable diagnostic tools. A sensitive and specific fluorescence in situ hybridization (FISH) assay was developed for detection of PaV1. The lower detection limit using a 110 bp DNA probe in a dot-blot hybridization for PaV1 DNA was 10 pg of cloned template PaV1 DNA and …
Phylogeny Of Recent Billfishes (Xiphioidei), Bb Collette, Jan Mcdowell, John Graves
Phylogeny Of Recent Billfishes (Xiphioidei), Bb Collette, Jan Mcdowell, John Graves
VIMS Articles
Billfishes are genetically and morphologically distinct enough from scombroids to merit placement in a separate suborder, Xiphioidei. Two extant families are usually recognized: Xiphiidae (swordfish, Xiphias) and Istiophoridae, currently containing three genera, Istiophorus (sailfishes), Makaira (marlins), and Tetrapturus (spearfishes, white, and striped marlins). Phylogenetic analyses of molecular data from mitochondrial and nuclear gene sequences (mitochondrial control region, ND2, 12S, and nuclear MN 32 regions) show a different picture of relationships. Makaira is not monophyletic: blue marlin cluster with sailfish and placement of black marlin is unstable. Accepting the molecular phylogeny gives two possible classifications: (1) two genera: blue marlin + …
Ua66/5 Newsletter, Vol. I, Issue 1, Wku Agriculture
Ua66/5 Newsletter, Vol. I, Issue 1, Wku Agriculture
WKU Archives Records
Newsletter created by WKU Agriculture Department re: faculty/staff, students/alumni, student organizations and clubs and donors.
Cows And Colobus (Procolobus Kirkii): Resource-Sharing Habits At Jozani National Park, Emily Walz
Cows And Colobus (Procolobus Kirkii): Resource-Sharing Habits At Jozani National Park, Emily Walz
Independent Study Project (ISP) Collection
Due to population compression, the Zanzibar red colobus monkeys of Jozani have been forced to explore new food options on the ground. I studied the food preferences of this endangered species in the agricultural land adjacent to Jozani National Park and compared it with the species consumed by local cattle that graze in the same space. This information, along with a preliminary behavioral assessment of the red colobus monkeys when near cattle, provides a first look at the food species eaten by both cows and colobus, in addition to documenting some of the direct and indirect interactions that occur between …
Identifying And Preventing Pain In Animals, Daniel M. Weary, Lee Niel, Frances C. Flower, David Fraser
Identifying And Preventing Pain In Animals, Daniel M. Weary, Lee Niel, Frances C. Flower, David Fraser
Assessment of Animal Welfare Collection
Animals are routinely subjected to painful procedures, such as tail docking for puppies, castration for piglets, dehorning for dairy calves, and surgery for laboratory rats. Disease and injury, such as tumours in mice and sole ulcers on the feet of dairy cows, may also cause pain. In this paper we describe some of the ways in which the pain that animals experience can be recognized and quantified. We also describe ways in which pain can be avoided or reduced, by reconsidering how procedures are performed and whether they are actually required. Ultimately, reducing the pain that animals experience will require …
The Changing Concept Of Animal Sentience, Ian J. H. Duncan
The Changing Concept Of Animal Sentience, Ian J. H. Duncan
Sentience Collection
A brief history of the concept of sentience is given. It is pointed out that the idea of sentience, at least in the mammals and birds, was accepted by lay people by the time of the Renaissance and before it was acknowledged by philosophers. It was not until the Enlightenment of the 18th century that philosophers started to accept the notion that animals have feelings. Towards the end of the 19th century, scientists and philosophers had developed a fairly sophisticated concept of sentience. Little consideration was given to sentience by scientists through much of the 20th century due to the …
Lower Incisors Of Prairie Dogs (Cynomys) As Biorecorders Of Hibernation And Season Of Death, H. Thomas Goodwin, Eva M. Ryckman
Lower Incisors Of Prairie Dogs (Cynomys) As Biorecorders Of Hibernation And Season Of Death, H. Thomas Goodwin, Eva M. Ryckman
Faculty Publications
Incremental dentin and associated enamel, features visible at the surface of lower incisors of rodents, may chronicle important life-history information. This study investigated surface features of lower incisors representing 4 taxa of prairie dogs (Cynomys) in relation to hibernation and season of year. A set of abnormalities in dentin and enamel, observed on 20 of 138 incisors, always chronicled an event ending in late winter or early spring and was interpreted as a hibernation mark. Hibernation was recorded in the incisors of obligate hibernators, C. leucurus and C. gunnisoni, as well as in 20% of specimens of the facultative heterotherm, …
Annual Report Of Lands Under Control Of The U.S. Fish & Wildlife Service As Of September 30, 2006, U.S. Fish & Wildlife Service
Annual Report Of Lands Under Control Of The U.S. Fish & Wildlife Service As Of September 30, 2006, U.S. Fish & Wildlife Service
United States Fish and Wildlife: Staff Publications
Annual Report of Lands Under Control Of the U.S. Fish and Wildlife Service As of September 30, 2006
Message from the Director
Key to Real Property Numbers
Map of National Fish and Wildlife Management Areas
Map of Waterfowl Productions Areas
Significant Land Acquisition Accomplishments in Fiscal Year 2006
Tables
1 Summary by Categories
2 Summary by States, Associated Governments and Possessions
2A FY 2006 Summary by States, Associated Governments and Possessions
3 National Wildlife Refuges
4 Waterfowl Production Areas
5 Coordination Areas
6 Administrative Sites
7 National Fish Hatcheries
8 Wilderness Areas in National Wildlife Refuges and National Fish Hatcheries …
Microarray Profiling Of Skeletal Muscle Sarcoplasmic Reticulum Proteins, Jospeh S. Schulz, Nathan Palmer, Jon Steckelberg, Steven J. Jones, Michael G. Zeece
Microarray Profiling Of Skeletal Muscle Sarcoplasmic Reticulum Proteins, Jospeh S. Schulz, Nathan Palmer, Jon Steckelberg, Steven J. Jones, Michael G. Zeece
Department of Animal Science: Faculty Publications
Microarrays were developed to profile the level of proteins associated with calcium regulation in sarcoplasmic reticulum (SR) isolated from porcine Longissimus muscle. The microarrays consisted of SR preparations printed onto to glass slides and probed with monoclonal antibodies to 7 target proteins. Proteins investigated included: ryanodine receptor, (RyR), dihydropyridine receptor, (DHPR), triadin (TRI), calsequestrin (CSQ), 90 kDa junctional protein (JSR90), and fast-twitch and slow-twitch SR calcium ATPases (SERCA1 and SERCA2). Signal from a fluorescentlylabeled detection antibody was measured and quantitated using a slide reader. The microarray developed was also employed to profile Longissimus muscle SR proteins from halothane genotyped animals. …
R. B. Warren Arena Dedication
Department of Animal Science: Departmental News
Richard “R.B.” Warren was a member of the Animal Science Department, University of Nebraska-Lincoln, from 1956 to 1990. A Kansas native, R.B. graduated with a B.S. degree in Agriculture from Kansas State University and married Doris Kite in 1948. He completed an M.S. degree in Animal Breeding from Oklahoma State University in 1950 and served on the Animal Science faculty at Michigan State University for six years before coming to Nebraska. R.B. Warren enthusiastically developed young leaders for the animal industry through motivation, quality learning, skill development and personal mentoring. His legacy included one of the finest youth horse extension …
Reflections On Wallace, Charles H. Smith
Reflections On Wallace, Charles H. Smith
DLPS Faculty Publications
An unpublished paper has recently come to light, which shows that even at an early age, Alfred Russel Wallace was bold enough to approach the scientific establishment with his ideas.
Defining And Implementing Best Available Science For Fisheries And Environmental Science, Policy, And Management, P. J. Sullivan, James Acheson, P. L. Angermeier, T. Faast, J. Flemma, C. M. Jones, E. E. Knudsen, T. J. Minello, D. H. Secor, R. Wunderlich, B. A. Zanetell
Defining And Implementing Best Available Science For Fisheries And Environmental Science, Policy, And Management, P. J. Sullivan, James Acheson, P. L. Angermeier, T. Faast, J. Flemma, C. M. Jones, E. E. Knudsen, T. J. Minello, D. H. Secor, R. Wunderlich, B. A. Zanetell
Marine Sciences Faculty Scholarship
In the United States, many of the laws governing environmental conservation and management stipulate that the best available science be used as the basis for policy and decision making. The Endangered Species Act, for example, requires that decisions on listing a species as threatened or endangered be made on the basis of the "best scientific and commercial data available." Similarly, National Standard 2 of the Magnuson-Stevens Fishery Conservation and Management Act states that conservation and management measures shall be based on "the best scientific information available." Further, the U.S. Environmental Protection Agency has emphasized the role of best available science …
Pb1633-Improving Your Backyard Wildlife Habitat, The University Of Tennessee Agricultural Extension Service
Pb1633-Improving Your Backyard Wildlife Habitat, The University Of Tennessee Agricultural Extension Service
Wildlife and Fisheries
Wildlife viewing is becoming one of the most popular forms of outdoor recreation in America. Observing wildlife in one’s own backyard is not only enjoyable, but convenient as well. In some areas (especially rural settings), excellent wildlife habitat exists and viewing opportunities can be abundant. However, in a growing number of areas (especially suburbia), wildlife habitat has deteriorated or been destroyed entirely. This is particularly true in many subdivisions where the landscape was bulldozed and leveled-off prior to home construction. In either case, there are lots of ways to improve wildlife habitat around your home.
Mother-Young Recognition In An Ungulate Hider Species: A Unidirectional Proce, Marco V.G. Torriani, Elisabetta Vannoni, Alan G. Mcelligott
Mother-Young Recognition In An Ungulate Hider Species: A Unidirectional Proce, Marco V.G. Torriani, Elisabetta Vannoni, Alan G. Mcelligott
Veterinary Science and Medicine Collection
Parent‐offspring recognition is usually crucial for survival of young. In mammals, olfaction often only permits identification at short range, and vocalizations are important at longer distances. Following and hiding antipredator strategies found in newborn mammals may also affect parental recognition mechanisms. We investigated mother‐offspring recognition in fallow deer, an ungulate hider species. We analyzed the structure of adult female and fawn contact calls to determine whether they are individually distinctive and tested for mother‐offspring recognition. Only females (and not fawns) have individualized vocalizations, with the fundamental frequency as the most distinctive parameter. Playback experiments showed that fawns can distinguish the …
An ∼140-Kb Deletion Associated With Feline Spinal Muscular Atrophy Implies An Essential Lix1 Function For Motor Neuron Survival, John C. Fyfe, Marilyn Menotti-Raymond, Victor A. David, Lars Brichta, Alejandro A. Schaffer, R. Agarwala, William J. Murphy, William J. Wedemeyer, Brittany L. Gregory, Bethany G. Buzzell, Meghan C. Drummond, Brunhilde Wirth, Stephen J. O'Brien
An ∼140-Kb Deletion Associated With Feline Spinal Muscular Atrophy Implies An Essential Lix1 Function For Motor Neuron Survival, John C. Fyfe, Marilyn Menotti-Raymond, Victor A. David, Lars Brichta, Alejandro A. Schaffer, R. Agarwala, William J. Murphy, William J. Wedemeyer, Brittany L. Gregory, Bethany G. Buzzell, Meghan C. Drummond, Brunhilde Wirth, Stephen J. O'Brien
Biology Faculty Articles
The leading genetic cause of infant mortality is spinal muscular atrophy (SMA), a clinically and genetically heterogeneous group of disorders. Previously we described a domestic cat model of autosomal recessive, juvenile-onset SMA similar to human SMA type III. Here we report results of a whole-genome scan for linkage in the feline SMA pedigree using recently developed species-specific and comparative mapping resources. We identified a novel SMA gene candidate, LIX1, in an ~140-kb deletion on feline chromosome A1q in a region of conserved synteny to human chromosome 5q15. Though LIX1 function is unknown, the predicted secondary structure is compatible with …
Rana Ocellata Linnaeus, 1758 (Currently Leptodactylus Ocellatus; Amphibia, Anura): Proposed Conservation Of Usage Of The Specific Name By The Designation Of A Neotype, W. Ronald Heyer, Ulisses Caramaschi, Rafael O. De Sá
Rana Ocellata Linnaeus, 1758 (Currently Leptodactylus Ocellatus; Amphibia, Anura): Proposed Conservation Of Usage Of The Specific Name By The Designation Of A Neotype, W. Ronald Heyer, Ulisses Caramaschi, Rafael O. De Sá
Biology Faculty Publications
The purpose of this application, under Article 75.6 of the Code, is to conserve the usage of the specific name of Rana ocellata Linnaeus, 1758 for a species of leptodactylid frog from South America by the designation of a neotype. Prevailing usage of the name is threatened by the identity of the type specimen which is a different species than that which is currently known as Leptodactylus ocellatus. It is proposed that all name-bearing types be set aside and a neotype designated in accord with prevailing usage.
Lpe Center News, September 2006
Lpe Center News, September 2006
Livestock and Poultry Environmental Learning Center Newsletters
In this issue: • October 20 Web-Cast to Discuss CAFO Regulations • How Do I Connect to the Webcasts? • N. Carolina project Examines Technologies for Waste Management • Small Producers Receive Assistance Through Innovative Program.
Aerial Searches For Whooping Cranes Along The Platte River, Nebraska, John G. Sidle, Wallace G. Jobman, Craig A. Faanes
Aerial Searches For Whooping Cranes Along The Platte River, Nebraska, John G. Sidle, Wallace G. Jobman, Craig A. Faanes
Nebraska Bird Review
The endangered Whooping Cranes (Grus americana) that migrate between Wood Buffalo National Park, Alberta and Northwest Territories, and the Aransas National Wildlife Refuge Area, Texas, roost at many aquatic stopover locations (Austin and Richert 2001) including the central Platte River, Nebraska (Johnson 1982; Lingle et al. 1984, 1986, 1991; Faanes et al. 1992; Richert 1999). Under the U.S. Endangered Species Act, 90 km of the central Platte have been designated as critical habitat for the Whooping Crane, although suitable Platte River habitat for Whooping Crane and Sandhill Crane (Grus canadensis) continues to decline (Sidle et al. …
Correction To Winter Bird Numbers Article
Correction To Winter Bird Numbers Article
Nebraska Bird Review
Correction to Winter Bird Numbers Article
Editor's Note: We regret that there was an error in the text of the Paul Johnsgard article "Recent Changes in Winter Bird Numbers at Lincoln, Nebraska" published in the March 2006 Nebraska Bird Review (Volume 74 Number 1). The last sentence in the first full paragraph on page 18 should read: "(The House Sparrow is declining annually at a rate of 2.5%, and the House Finch is increasing at an annual rate of 1.15%.)"
Letter Of Information' Excerpts
Letter Of Information' Excerpts
Nebraska Bird Review
In the early years of the Nebraska Ornithologists' Union, which was founded in 1899, the organization published its Proceedings, yearly through 1902 and less frequently for the following 13 years. Beginning in 1916, the NOU allied itself with the Wilson Ornithological Club, and its annual proceedings were published by that organization for the next nine years. In 1925, distribution of a mimeographed "Letter of Information" began, with NOU Secretary-Treasurer Myron H. Swenk acting as editor. These Letters, which contain announcements, accounts of meetings and field trips, and notes on bird sightings from members, were published through 1932. They bridged …