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Animal Sciences

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Articles 151 - 174 of 174

Full-Text Articles in Laboratory and Basic Science Research

Observing The Unwatchable Through Acceleration Logging Of Animal Behavior, Danielle D. Brown, Roland Kays, Martin Wikelski, Rory Wilson, A. Peter Klimley Dec 2013

Observing The Unwatchable Through Acceleration Logging Of Animal Behavior, Danielle D. Brown, Roland Kays, Martin Wikelski, Rory Wilson, A. Peter Klimley

Methodology and Animal Models in Research

Behavior is an important mechanism of evolution and it is paid for through energy expenditure. Nevertheless, field biologists can rarely observe animals for more than a fraction of their daily activities and attempts to quantify behavior for modeling ecological processes often exclude cryptic yet important behavioral events. Over the past few years, an explosion of research on remote monitoring of animal behavior using acceleration sensors has smashed the decades-old limits of observational studies. Animal-attached accelerometers measure the change in velocity of the body over time and can quantify fine-scale movements and body postures unlimited by visibility, observer bias, or the …


Coccidia Of Gerbils From Mongolia, Ethan Thomas Jensen Aug 2013

Coccidia Of Gerbils From Mongolia, Ethan Thomas Jensen

School of Biological Sciences: Dissertations, Theses, and Student Research

In this study, gerbils collected in the Mongolia over the summers of 2009-2012 were examined for coccidia. In total, 171 gerbils of three species from 22 localities were examined for coccidia. Coccidian oocysts were identified from 21 gerbils, but those found in 1 of those gerbils were probably pseudoparasites of the host from which they were recovered. From the remaining 20 gerbils, 7 morphotypes of Eimeria and 1 morphotype of Isospora were identified. Four of the 7 morphotypes of Eimeria were attributed to new species which were described in this study. In addition, 10 previously described species of Eimeria were …


Validation Of Antibodies Used To Study Hypoxia Inducible Factors In Two Species Of Fundulus, Jenna D. Hill May 2013

Validation Of Antibodies Used To Study Hypoxia Inducible Factors In Two Species Of Fundulus, Jenna D. Hill

LSU New Orleans Theses and Dissertations

Hypoxia inducible factors (HIFs) are transcription factors and the master regulators of oxygen-dependent gene expression in animals. The focus of this thesis is the distribution of HIF protein in tissues of the fish Fundulus heteroclitus and F. grandis, two widespread species that occur in naturally hypoxic waters. Polyclonal antibodies against HIF-1α, HIF-2α, and HIF-3α were tested on proteins made in vitro and on extracts made from several tissues of normoxic and hypoxic fish. Antibodies against HIF-1α and 3α bound specifically to full length protein made in vitro, and produced bands on western blots of nuclear extracts of near …


White Bass Assessment In Regards To Changes In Water Level On Lake Traverse, Aaron Wilson Jan 2013

White Bass Assessment In Regards To Changes In Water Level On Lake Traverse, Aaron Wilson

Journal of Earth and Life Science

Until recently the white bass Morone chrysops has been somewhat ignored by anglers, more so in Minnesota than other states; most likely due to their limited distribution throughout the state. However, with more anglers becoming aware of the sporting and culinary potentials of white bass, interests have risen. With this rise in angler interest, there should be a rise in white bass assessments. Knowing what factors may be influencing white bass population dynamics will allow fisheries professionals to better manage and protect white bass fisheries. White bass are often found in rivers and impoundments were dams are present and water …


The Effect Of Visual Wulst Lesions And Trigeminal Nerve Sectioning On The Discrimination Of Magnetic Inclination In The Homing Pigeon (Columba Livia), Merissa Acerbi Jan 2013

The Effect Of Visual Wulst Lesions And Trigeminal Nerve Sectioning On The Discrimination Of Magnetic Inclination In The Homing Pigeon (Columba Livia), Merissa Acerbi

Honors Projects

The ability of homing pigeons to return to their loft from unknown places has fascinated scientists for centuries. It is well established that homing pigeons, like migratory birds, posses an innate magnetic inclination compass to determine direction by measuring the angle between the magnetic field vector and the Earth's surface. Recent work has indicated that the avian magnetic compass is light mediated and appears to mediate magnetic information to the brain. This occurs via a visual pathway with processing in the visual Wulst area of the forebrain. There is, however, also evidence from other avian species that magnetic direction may …


Brown Trout Spawning Location And Relationship To Suitable Winter Habitat, Matthew L. Skoog Jan 2013

Brown Trout Spawning Location And Relationship To Suitable Winter Habitat, Matthew L. Skoog

Journal of Earth and Life Science

Brown trout are a popular game fish throughout much of the world. Understanding habitat requirements is necessary for the successful management of brown trout. This study looks at the spawning habitat preferences and relationship of redd location to wintering habitat of brown trout in the Straight River, Minnesota. Brown trout in the Straight River were found to spawn in similar habitat to brown trout looked at in previous literature. All redds were located on gravel substrate. Seventy eight percent of redds were associated with some sort of cover. Water velocities at the redd sites. (mean=0.456 ms/cm), dissolved oxygen (mean=9.78 mg/L), …


Comparison Of A Length Size Limit Of Northern Pike Population On Two Lakes In North Central Minnesota, Ethan A. Puttonen Jan 2013

Comparison Of A Length Size Limit Of Northern Pike Population On Two Lakes In North Central Minnesota, Ethan A. Puttonen

Journal of Earth and Life Science

Fisheries managers use length size limits on northern pike (Esox lucis) to improve the size structure in select lakes. The objective of this study was to compare two similar lakes, one with a length size limit and one without, to determine if a length size limit is improving the northern pike size structure. Blueberry Lake showed a higher abundance of larger fish than Stocking Lake. Of the fish caught, 25% in Blueberry Lake were over 600 mm (24 in), and were in the protected slot. Stocking Lake had a smaller portion of fish of this size with only …


Biology Department Newsletter, No. 3, Sacred Heart University Jan 2013

Biology Department Newsletter, No. 3, Sacred Heart University

Biology Newsletter

No abstract provided.


A Genetic Survey Of English Sole Populations In The Salish Sea, Elizabeth S. Gutierrez, Gary A. Winans, Jon Baker, Amanda Cope Aug 2012

A Genetic Survey Of English Sole Populations In The Salish Sea, Elizabeth S. Gutierrez, Gary A. Winans, Jon Baker, Amanda Cope

STAR Program Research Presentations

This summer I interned at the Northwest Fisheries Science Center in Seattle, WA and participated in NOAA’s Salish Sea Project. The Salish Sea Project’s goal is to identify genetically distinctive groups of species in the Salish Sea that may have unique evolutionary and/or adaptive backgrounds. These findings will allow NOAA to promote and monitor the natural production of species in the Salish Sea, to select representative populations for experimental work regarding pollution, ocean acidification and climate change, to contribute to managing the ecosystem for intra- and inter-species diversity, and to help make informed decisions about adaptive management and marine protected …


Biology Department Newsletter, No.2, Sacred Heart University Jan 2012

Biology Department Newsletter, No.2, Sacred Heart University

Biology Newsletter

No abstract provided.


Biology Department Newsletter, No.1, Sacred Heart University Jan 2011

Biology Department Newsletter, No.1, Sacred Heart University

Biology Newsletter

No abstract provided.


Observational Learning In Wild And Captive Dolphins, Deirdre Yeater, Stan A. Kuczaj Ii Jan 2010

Observational Learning In Wild And Captive Dolphins, Deirdre Yeater, Stan A. Kuczaj Ii

Psychology Faculty Publications

Many non-human species imitate the behavior of others, and dolphins seem particularly adept at this form of observational learning. Evidence for observational learning in wild dolphins is rare, given the difficulty of observing individual wild animals in sufficient detail to eliminate other possible explanations of purported imitation. Consequently, much of the evidence supporting observational learning in dolphins has involved animals in captive settings. This research suggests that dolphins have an affinity for mimicry, and that they are more successful at observational learning if they choose to imitate another rather than being asked to do so. These results, combined with those …


Fisheries Research Report No.196 - Management Of Bioeroding Sponges In Wild Stocks Of Pinctada Maxima In Western Australia, Sabine Daume, Jane Fromont, Anthony M. Hart Nov 2009

Fisheries Research Report No.196 - Management Of Bioeroding Sponges In Wild Stocks Of Pinctada Maxima In Western Australia, Sabine Daume, Jane Fromont, Anthony M. Hart

Fisheries Research Reports

Final FRDC Report – Project 2005/074

The Western Australian fishery is the only remaining significant fishery for pearl oysters in the world and comprises most of the exported pearl product of Australia, currently worth around $125 million annually. The majority of pearl shells used to culture pearls come from the pearling beds in the inshore waters near Broome. The fishery for pearl oysters preferentially targets smaller ‘culture’ shell (4-5 years age class, 120mm - 160mm shell length) that are more suitable for growing pearls, leaving larger MOP oysters (6+ age class, 175mm+) on the fishing grounds.

Silver-lipped pearl oysters (Pinctada …


Food, Fibre And Flowers, Fuelling The Economy With Innovation And Science, Department Of Agriculture And Food, Western Australia Jan 2009

Food, Fibre And Flowers, Fuelling The Economy With Innovation And Science, Department Of Agriculture And Food, Western Australia

Horticulture published reports

The Department of Agriculture and Food is a world leader in the rapidly growing field of agri-food and fibre research and development, providing significant benefits for Westen Australian producers, the food industry sector and consumers.

The development of value-added products through innovation and science, which deliver real opportunities for the State's agri-food export capacity, is also important.

Seven examples of the Department's science and innovation.


Horseshoe Crab Spawning Survey Protocol, Jennifer Mattei Jan 2009

Horseshoe Crab Spawning Survey Protocol, Jennifer Mattei

Biology Faculty Publications

The protocol lists supplies and clothing needed for the survey, as well as which data is to be collected and when and how it should be entered for the census of horseshoe crabs on the Recapture Data Sheet for 2009. Adopted from Cape Cod and Delaware Bay survey protocols.


A Switch From Polyandry To Serial Monogamy: Results From A Three Year Tagging Study Of Horseshoe Crabs In Long Island Sound, Jennifer Mattei Ph.D., Paul Goodell, Christine Depierro, Meghann Burke Jan 2006

A Switch From Polyandry To Serial Monogamy: Results From A Three Year Tagging Study Of Horseshoe Crabs In Long Island Sound, Jennifer Mattei Ph.D., Paul Goodell, Christine Depierro, Meghann Burke

Biology Faculty Publications

Part of an ongoing population study of the North American Horseshoe Crab, Limulus polyphemus, in Long Island Sound was completed during the 2003 – 2005 spawning seasons at Milford Point, in Milford, CT. Horseshoe crabs range more widely throughout Long Island Sound than expected and exhibit weak site fidelity. Animals originally tagged in Milford were found as far west as Stamford and as far east as Clinton, CT. during the 3 year study. Out of 522 female horseshoe crabs tagged in 2004 only 4 came back to spawn again at Milford Pt. in 2005. The sex ratios of tagged and …


Response Of Stress Levels In Domestic Canines To Calming Pheromone, Kathleen Barrett Dec 2005

Response Of Stress Levels In Domestic Canines To Calming Pheromone, Kathleen Barrett

Honors Capstones

Capstone submitted as a graduation requirement for the BSU Honors Program.


Facts About Footrot - A Special Booklet For Neighbours Of Properties Which Have Been Quarantine For Footrot, Or Farmers Wanting To Know More About Footrot, Department Of Agriculture, Western Australia Jan 2004

Facts About Footrot - A Special Booklet For Neighbours Of Properties Which Have Been Quarantine For Footrot, Or Farmers Wanting To Know More About Footrot, Department Of Agriculture, Western Australia

Animal production and livestock published reports

Footrot is a contagious disease of sheep and goats caused by a mix of different bacteria, with the essential one being Dichelobacter nodosus. The bacterial infection can cause varying degrees of damage to the horn of the foot, leading to lameness, and significant loss of body weight and wool production.

There are two main forms of footrot - virulent and benign. Both are caused by D. nodosus. Footrot is diagnosed using two methods; inspecting sheep's feet, and testing skin scrapings in the laboratory


Western Australian Fisheries - Key Achievements 1997-1998, Fisheries Western Australia Jan 1998

Western Australian Fisheries - Key Achievements 1997-1998, Fisheries Western Australia

Fisheries Published Reports

The WA fishing community can look back at the past year with considerable satisfaction.

Close partnership arrangements between Government, industry, the community and Fisheries Western Australia have both consolidated and advanced the State's position at the forefront of sustainable management of marine environments and fish resources.

Together, commercial fishing and recreational fishing make 􀁚 annual $1.5 billion contribution to the Western Australian economy. Through a carefully balanced portfolio of policies and initiatives the Coalition is making sure that both sectors continue to prosper, while at the same time ensuring that future generations inherit a marine environment which we are all …


Técnicas De Parasitología De Practicas De Campo Para El Uso Durante La Investigación De Mamíferos, Scott Lyell Gardner Jan 1996

Técnicas De Parasitología De Practicas De Campo Para El Uso Durante La Investigación De Mamíferos, Scott Lyell Gardner

Harold W. Manter Laboratory of Parasitology: Faculty Publications

First paragraph of the introduction:

La obtención de parásitos de mamíferos que son colectados durante las investigaciones o bio-inventarios toma mucho tiempo; y en el pasado, estas colectas ráramente se realizaban. De cualquier forma, los parásitos y otros simbiotas forman un componente importante de las características biologicas y ecologicas de los hospederos y deben ser muestreados. Por ejemplo, trabajos recientes en la diversidad parasitaria y la biogeografía en mamíferos de Bolivia por Gardner y Duszynski (1990), Gardner (1991), y Gardner y Campbell (1992 a,b) no hubiera popdido realizarse sin el trabajo de colección apropiado de la fauna parasitaria/simbiótica de los …


The Ecology Of The Mottled Sculpin, Cottus Bairdii, In The Clearwater River, Beltrami County, Minnesota, Mark A. Hanson Aug 1982

The Ecology Of The Mottled Sculpin, Cottus Bairdii, In The Clearwater River, Beltrami County, Minnesota, Mark A. Hanson

Biology Graduate Theses

No abstract provided.


Arapaho Prairie, Arthur County, Nebraska: Approximate Ap Grid For Gis, Kathleen H. Keeler, A. T. Harrison, L. S. Vescio Jan 1980

Arapaho Prairie, Arthur County, Nebraska: Approximate Ap Grid For Gis, Kathleen H. Keeler, A. T. Harrison, L. S. Vescio

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Grid map of field sites at Arapaho Prairie in Arthur County, Nebraska. Scale 1 5/16" = 1/4 mile. Shows permanently marked vegetation quadrats, blowouts and ravine washouts, roads, and 100' contour intervals. Part of the map was destroyed by mice. What remains of the map as of 2013 is shown.


A Study Of The Comparative Effectiveness Of Different Methods For The Induction Of Pseudopregnancy In The Mouse, Ricky E. Collins Aug 1979

A Study Of The Comparative Effectiveness Of Different Methods For The Induction Of Pseudopregnancy In The Mouse, Ricky E. Collins

Morehead State Theses and Dissertations

A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Ricky E. Collins on August 1, 1979.


The Constant Estrus Rat As A Source Of Viable Ova, John C. Drake Sep 1971

The Constant Estrus Rat As A Source Of Viable Ova, John C. Drake

Morehead State Theses and Dissertations

A Thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by John C. Drake, Jr. on September 10, 1971.