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Articles 271 - 300 of 524
Full-Text Articles in Zoology
Parasites Of Four Endemic Plethodon From Arkansas And Oklahoma, Chris T. Mcallister, Charles R. Bursey, Stanley E. Trauth
Parasites Of Four Endemic Plethodon From Arkansas And Oklahoma, Chris T. Mcallister, Charles R. Bursey, Stanley E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Concentrations Of American Alligator Populations In Arkansas, Christopher L. Watt, Philip A. Tappe, Mark F. Roth
Concentrations Of American Alligator Populations In Arkansas, Christopher L. Watt, Philip A. Tappe, Mark F. Roth
Journal of the Arkansas Academy of Science
No abstract provided.
Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi), Benjamin A. Wheeler, Malcolm L. Mccallum, Stanley E. Trauth
Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi), Benjamin A. Wheeler, Malcolm L. Mccallum, Stanley E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Peripheral Blood Leukocyte Response And Macrophage Function During Eimeria Adenoeides Infection In Turkey Poults, Amanda D. Drake, Sarah E. Heuer, Timothy G. Kimball, Timothy O. Peters, H. David Chapman, Gisela F. Erf
Peripheral Blood Leukocyte Response And Macrophage Function During Eimeria Adenoeides Infection In Turkey Poults, Amanda D. Drake, Sarah E. Heuer, Timothy G. Kimball, Timothy O. Peters, H. David Chapman, Gisela F. Erf
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Intestinal coccidiosis, caused by various species of Eimeria, is an economically important disease of chickens and turkeys. The peripheral blood leukocyte response and macrophage functions during a coccidial infection in turkeys have not been defined. To examine these aspects of innate immunity during primary Eimeria infection in turkeys, 4-week-old poults were orally inoculated with either 50,000 E. adenoeides oocyst (24 infected poults) or water (24 control poults). To monitor the concentrations and proportions of white blood cells (WBC) throughout the course of infection, heparinized blood was collected from 12 infected and 12 control poults prior to inoculation (day 0), and …
The Possible Enzymatic Differences Between Cattle And Sheep In Their Response To Ergot Alkaloids, Susan M. Cannon, Charles F. Rosenkrans, Ali Moubarak
The Possible Enzymatic Differences Between Cattle And Sheep In Their Response To Ergot Alkaloids, Susan M. Cannon, Charles F. Rosenkrans, Ali Moubarak
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Ergotamine is an ergot alkaloid associated with fescue toxicosis of livestock who have grazed endophyte-infected fescue. High performance liquid chromatography (HPLC) was used to detect individual or species-specific differences in the metabolism of ergotamine by liver cytochrome P450 of sheep and cattle. Livers were collected from four steers and two sheep. The diet of the steers used in this study consisted of two being fed a grain diet, one steer grazing endophyte-infected fescue, and the final steer grazing endophyte-free fescue. The two lambs were both fed a grain diet. Livers were prepared and examined for the disappearance of ergotamine and …
Survey Of The Macrobenthic Community In Ferguson Lake, Saline County, Arkansas, John D. Rickett, E. P. (Perk) Floyd
Survey Of The Macrobenthic Community In Ferguson Lake, Saline County, Arkansas, John D. Rickett, E. P. (Perk) Floyd
Journal of the Arkansas Academy of Science
One hundred thirty benthic samples were collected on 33 visits to Ferguson Lake, Saline County, Arkansas, between May 1997 and October 2000. Sediments were visually examined and described, and some were returned to the lab for sediment oxygen demand (SOD) analysis. Fourteen taxa, representing five phyla of invertebrates, were identified. In all samples, oligochaetes, chaoborids, and chironomids comprised the majority of individuals, reaching densities up to 7449, 14,208, and 8783 per m2, respectively. When seasonally grouped, largest total abundances and greatest abundances of most taxa were collected during the winter months (December-February). A minor abundance peak occurred in July due …
Food Habits Of The Ouachita Dusky Salamander, Desmognathus Brimleyorum (Caudata: Plethodontidae), In Arkansas, David H. Jamieson, Peter J. Rust, Stanley E. Trauth
Food Habits Of The Ouachita Dusky Salamander, Desmognathus Brimleyorum (Caudata: Plethodontidae), In Arkansas, David H. Jamieson, Peter J. Rust, Stanley E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Status Of Pet Mountain Lions (Puma Concolor) In Arkansas, D. Blake Sasse
Status Of Pet Mountain Lions (Puma Concolor) In Arkansas, D. Blake Sasse
Journal of the Arkansas Academy of Science
No abstract provided.
Redescription Of Eimeria Macyi (Apicomplexa: Eimeriidae) From The Eastern Pipistrelle, Pipistrellus Subflavus (Mammalia: Chiroptera), From Arkansas, Chris T. Mcallister, Steve J. Upton, Stanley E. Trauth, David W. Allard
Redescription Of Eimeria Macyi (Apicomplexa: Eimeriidae) From The Eastern Pipistrelle, Pipistrellus Subflavus (Mammalia: Chiroptera), From Arkansas, Chris T. Mcallister, Steve J. Upton, Stanley E. Trauth, David W. Allard
Journal of the Arkansas Academy of Science
No abstract provided.
Early History Of The Wolf, Black Bear, And Mountain Lion In Arkansas, Annalea K. Bowers, Leah D. Lucio, David W. Clark, Susan P. Rakow, Gary A. Heidt
Early History Of The Wolf, Black Bear, And Mountain Lion In Arkansas, Annalea K. Bowers, Leah D. Lucio, David W. Clark, Susan P. Rakow, Gary A. Heidt
Journal of the Arkansas Academy of Science
During the nineteenth century settlement of Arkansas, the red wolf (Canis rufos), black bear (Ursus americanus), and mourtain lion (Puma concolor) were not only the three largest and most dangerous predators, they also stirred the imaginations of explorers and settlers. References to these species appeared prominently in the journals of early explorers such as George W. Featherstonhaugh (1844) and Frederick Gerstaecker (1854), and their presence inspired voluminous collections of stories and tall tales. Black bears were so common that a large trade developed in pelts, oil, and other body parts, and Arkansas became commonly known as "The Bear State." Wolves …
Perceived Damage By Elk In The Arkansas Ozarks, Jennifer H. Herner-Thogmartin, Kimberly G. Smith, Michael E. Cartwright
Perceived Damage By Elk In The Arkansas Ozarks, Jennifer H. Herner-Thogmartin, Kimberly G. Smith, Michael E. Cartwright
Journal of the Arkansas Academy of Science
Wildlife managers in Arkansas are faced with managing a growing population of Rocky Mountain elk (Cervus elaphus neloni) that has extended its range to incorporate private lands near the Buffalo National River (BNR) in northcentral Arkansas. This range expansion has created conflicts between private landowners and wildlife management personnel. To document the extent of damage and assess attitudes of landowners with elk on their land, interviews were conducted with landowners who contacted us or the Arkansas Game and Fish Commission about problems with elk. A survey also was created and sent to landowners who live near the BNR in Boone …
Life History Of The River Shiner, Notropis Blennius (Cyprinidae), In The Arkansas River Of Western Arkansas, Laura Hudson, Thomas M. Buchanan
Life History Of The River Shiner, Notropis Blennius (Cyprinidae), In The Arkansas River Of Western Arkansas, Laura Hudson, Thomas M. Buchanan
Journal of the Arkansas Academy of Science
The reproductive cycle, food habits, and age and growth of the river shiner, Notropis blennius (Girard), in the Arkansas River of western Arkansas were studied from May 1996 through October 1997. Based on gonadosomatic indices and mean ovumd iameters of females, tubercle development in males, and the first appearance of young-of-year in samples, the breeding season extended from June through August in both 1996 and 1997. The river shiner is a diurnal, generalist feeder that forages on a wide variety of food items. In all four seasons, detritus dominated the diets of adults and juveniles in terms of volume and …
Breeding Season Distribution Of Cerulean Warblers In Arkansas In The 1990s, Douglas A. James, Christopher J. Kellner, Jan Self, Jerry Davis
Breeding Season Distribution Of Cerulean Warblers In Arkansas In The 1990s, Douglas A. James, Christopher J. Kellner, Jan Self, Jerry Davis
Journal of the Arkansas Academy of Science
The Cerulean Warbler (Dendroica cerulea) has been declining in numbers in its North American nesting range, and the same is true in Arkansas. To provide specific sites that can be monitored in the future, this study describes places where the bird was documented in the state in the 1990s. The warbler was found in mature deciduous forest in both upland and bottomland situations but was most abundant in the upland Ozark forests and uncommon in other regions of the state. Most (70%) of the occupied sites were on federal and state lands. Pattern of overall distribution was essentially the same …
Identification Of Florida Largemouth Bass Alleles In Arkansas Public And Private Aquaculture Ponds, Ronald L. Johnson, Randall Staley
Identification Of Florida Largemouth Bass Alleles In Arkansas Public And Private Aquaculture Ponds, Ronald L. Johnson, Randall Staley
Journal of the Arkansas Academy of Science
The Florida subspecies of the largemouth bass (LMB) has often been introduced into waters outside of its range, with escape of individuals into associated waterways common. Sustaining pure lines within controlled hatchery settings is also difficult. The present study investigated LMB populations by way of allozyme analysis of three diagnostic loci of 115 LMB in three public and seven private aquaculture ponds within Arkansas. The goal was to determine the success of hatcheries in maintaining pure subspecies. None of the pond populations studied were fixed for all alleles. Private ponds had northern LMB allele frequencies of up to 0.40 in …
Distribution Of Leconte's Free-Tailed Bat (Tadarida Brasiliensis Cynocephala) In Arkansas, With Notes On Reproduction And Natural History, David A. Saugey, D. Blake Sasse, J. D. Wilhide, Drew Reed, Tammy R. Jones, Darrell R. Heath, Daniel R. England
Distribution Of Leconte's Free-Tailed Bat (Tadarida Brasiliensis Cynocephala) In Arkansas, With Notes On Reproduction And Natural History, David A. Saugey, D. Blake Sasse, J. D. Wilhide, Drew Reed, Tammy R. Jones, Darrell R. Heath, Daniel R. England
Journal of the Arkansas Academy of Science
During the past 20 years (1982-2001) we have studied the biology, occurrence and distribution of LeConte's (Brazilian) free-tailed bat, Tadarida brasiliensis cynocephala, in Arkansas. Colonies and individuals were reported from man made structures only. Four new county records have been documented since 1988, extending the range from the central part of the state to Arkansas's northern-most tier of counties. Numerous nuisance maternity colonies were investigated during exclusion activities and one, year-round colony provided the majority of reproductive data. A total of 152 free-tailed bats was submitted to the Arkansas Department of Health Rabies Laboratory (1982-2001); most during February through April, …
Results Of A Bat Survey In The Western Ozark National Forest, Michelle L. Caviness, Douglas A. James
Results Of A Bat Survey In The Western Ozark National Forest, Michelle L. Caviness, Douglas A. James
Journal of the Arkansas Academy of Science
No abstract provided.
New Records Of The Woodchuck (Marmota Monax) From Southern Arkansas, C. Renn Tumlison, Anna Smith, Randy Frazier
New Records Of The Woodchuck (Marmota Monax) From Southern Arkansas, C. Renn Tumlison, Anna Smith, Randy Frazier
Journal of the Arkansas Academy of Science
No abstract provided.
Mortality Of Adult White-Tailed Deer On Fort Chaffee, Arkansas, Gregory G. Humphreys, Thomas A. Nelson
Mortality Of Adult White-Tailed Deer On Fort Chaffee, Arkansas, Gregory G. Humphreys, Thomas A. Nelson
Journal of the Arkansas Academy of Science
We conducted a telemetry study on Fort Chaffee, Arkansas, to estimate the extent, timing, and causes of mortality among resident adult white-tailed deer {Odocoileus virginianus). Twenty-seven deer were captured, radio-collared and monitored for 1 yr to assess seasonal mortality. Annual mortality rates differed considerably between sexes, with males exhibiting a much higher rate (86.1%) than females (5.3%). The primary causes of death among males were poaching, predation by coyotes, and legal harvest. Legal harvest by a gun-hunter accounted for the only female mortality. No mortalities were attributed to military exercises, which occurred frequently on the study area. Our results suggest …
Feeding Relationship Between Two Synoptic, Morphologically Similar Fishes, The Western Mosquitofish (Gambusia Affinis) And The Blackspotted Topminnow (Fundulus Olivaceus), Allyson R. Neely, Edmund J. Pert
Feeding Relationship Between Two Synoptic, Morphologically Similar Fishes, The Western Mosquitofish (Gambusia Affinis) And The Blackspotted Topminnow (Fundulus Olivaceus), Allyson R. Neely, Edmund J. Pert
Journal of the Arkansas Academy of Science
We sampled fish during the summer of 1999, in Caney Bayou on the campus of the University of Arkansas at Pine Bluff, Jefferson County, in order to study the feeding relationship between the western mosquitofish (Gambusia ajfinis) and the blackspotted topminnow (Fundulus olivaceus). We identified and enumerated the diet items of 56 blackspotted topminnows and 28 mosquitofish that were captured using electroshocking, seining, and dipnetting. Pooled diet items for each species were analyzed using a variety of approaches: percent of diet composition, frequency of occurrence, Levins' measure of diet breadth, and Morisita's measure of diet overlap. Twenty-one percent of mosquitofish …
Record Of The Lake Sturgeon, Acipenser Fulvescens Rafinesque, From The Caddo River (Ouachita River Drainage), Arkansas, Betty G. Crump, Henry W. Robison
Record Of The Lake Sturgeon, Acipenser Fulvescens Rafinesque, From The Caddo River (Ouachita River Drainage), Arkansas, Betty G. Crump, Henry W. Robison
Journal of the Arkansas Academy of Science
No abstract provided.
First Record Of The Subterranean Amphipod Crustacean Allocrangonyx Hubrichti (Allocragonyctidae) In Arkansas, Henry W. Robison, John R. Holsinger
First Record Of The Subterranean Amphipod Crustacean Allocrangonyx Hubrichti (Allocragonyctidae) In Arkansas, Henry W. Robison, John R. Holsinger
Journal of the Arkansas Academy of Science
No abstract provided.
Reproductive Behavior Of The Emu, Reema A. Persad, Douglas James, Nicholas B. Anthony
Reproductive Behavior Of The Emu, Reema A. Persad, Douglas James, Nicholas B. Anthony
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Members of a flock of male and female emus were observed in an ethological experiment designed to investigate trends in reproductive behavior exhibited during the North American mating season, which lasts from October to mid-March. Observations were made at dawn, noon, and dusk from December 1999 to mid-March 2000, and the only behaviors that were consistently expressed during these times were pecking, strutting, exclusive, and male and female sexual activities (defined in text). Though statistical significance was found between male strutting behavior and female sexual activity in the December observation period, no overall significance or significance at other observation periods …
Growth Curves Of Four Species Of Commercially Valuable Freshwater Mussels (Bivalva: Unionidae), Alan D. Christian, Chris L. Davidson, William R. Posey Ii, Peter J. Rust, Jerry L. Farris, John L. Harris, George L. Harp
Growth Curves Of Four Species Of Commercially Valuable Freshwater Mussels (Bivalva: Unionidae), Alan D. Christian, Chris L. Davidson, William R. Posey Ii, Peter J. Rust, Jerry L. Farris, John L. Harris, George L. Harp
Journal of the Arkansas Academy of Science
North American freshwater mussels (Bivalvia: Unionidae) have been exploited commercially for over 100 years and have been regulated using shell size limits and/or harvest seasons. Presently, freshwater mussels are considered a threatened faunal group in North America due to the large numbers of endangered, threatened or special concern species. Therefore, management of this fauna should emphasize their long-term sustainability. The objectives of this study were 1) to construct von Bertalanffy growth curves for selected "commercially-most-valuable" species, Fusconaia ebena, Megalonaias nervosa, Amblema plicata and Quadrula quadrula, from five rivers and two reservoirs, 2) to compare species-specific von Bertalanffy growth curves from …
New Arkansas Records For Two Nonindigenous Fish Species, With A Summary Of Previous Introductions Of Nonnative Fishes In Arkansas, Thomas M. Buchanan, Jerry Smith, Diana Saul, Jeff Farwick, Tim Burnley, Mark Oliver, Ken Shirley
New Arkansas Records For Two Nonindigenous Fish Species, With A Summary Of Previous Introductions Of Nonnative Fishes In Arkansas, Thomas M. Buchanan, Jerry Smith, Diana Saul, Jeff Farwick, Tim Burnley, Mark Oliver, Ken Shirley
Journal of the Arkansas Academy of Science
No abstract provided.
Curly-Tail Malformity In Hatchlings Of The Alligator Snapping Turtle, Macroclemys Temminckii (Testudines: Chelydridae) In Arkansas, Malcolm L. Mccallum, Stanley E. Trauth
Curly-Tail Malformity In Hatchlings Of The Alligator Snapping Turtle, Macroclemys Temminckii (Testudines: Chelydridae) In Arkansas, Malcolm L. Mccallum, Stanley E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Breeding Mortality In The Wood Frog, Rana Sylvatica (Anura: Ranidae), From Northcentral Arkansas, Stanley E. Trauth, Malcolm L. Mccallum, Michael E. Cartwright
Breeding Mortality In The Wood Frog, Rana Sylvatica (Anura: Ranidae), From Northcentral Arkansas, Stanley E. Trauth, Malcolm L. Mccallum, Michael E. Cartwright
Journal of the Arkansas Academy of Science
No abstract provided.
Home Ranges And Movements Of Adult Deer On Fort Chaffee, Arkansas, Gregory G. Humphreys, Thomas A. Nelson
Home Ranges And Movements Of Adult Deer On Fort Chaffee, Arkansas, Gregory G. Humphreys, Thomas A. Nelson
Journal of the Arkansas Academy of Science
We radio-tracked 27 white-tailed deer (Odocoileus virginianus) weekly for one year on Fort Chaffee, Arkansas, to investigate their seasonal home ranges and movements between hunted areas and refuges on this military base. This work resulted in2,123 separate radiolocations, of which 85% (1,799) were suitable for use in home range analyses. We used the McPAAL computer package to estimate home range using the Harmonic Mean and minimum convex polygon (MCP) methods. Harmonic mean estimates were based on 95% contour lines. Home range size differed between the sexes and methods. Male home ranges were larger than those of females (t= 3.32, P<0.01; harmonic mean) (t=2.07, P<0.05; MCP). Average home range sizes for males and females based on the harmonic mean method were estimated to be 483 ha and 181 ha, respectively, whereas home range estimates for males and females using the MCP method were 636 ha and 289 ha, respectively. The average home range size for all deer was 259 ha (harmonic mean) and 379 ha (MCP). We found no evidence that females restricted their home ranges during the fawning period. However, females' home ranges expanded during the breeding season, perhaps to find mates. Few deer moved to refuge areas that were off-limits to hunters during the hunting season.
Winter Breeding As A Common Occurrence In The Ringed Salamander, Ambystoma Annulatum (Caudata: Ambystomatidae), In The Ozark National Forest Of Northcentral Arkansas, Stanley E. Trauth
Winter Breeding As A Common Occurrence In The Ringed Salamander, Ambystoma Annulatum (Caudata: Ambystomatidae), In The Ozark National Forest Of Northcentral Arkansas, Stanley E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Occurrence Of A Second Subspecies Of Box Turtle (Terrapene Carolina), In Arkansas, C. Renn Tumlison, Anthony Rocconi
Occurrence Of A Second Subspecies Of Box Turtle (Terrapene Carolina), In Arkansas, C. Renn Tumlison, Anthony Rocconi
Journal of the Arkansas Academy of Science
No abstract provided.
Feasibility Of Inducing Overlap Immunologic Competence In Gallinaceous Birds With Ascardia Dissimilis And A. Galli, Julie Hamilton, Thomas A. Yazwinski
Feasibility Of Inducing Overlap Immunologic Competence In Gallinaceous Birds With Ascardia Dissimilis And A. Galli, Julie Hamilton, Thomas A. Yazwinski
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Chickens and turkeys are routinely infected with the roundworms Ascaridia galli and A. dissimilis, respectively. The current study was conducted to gather basic information on these worms and to determine whether heterologous infections (chicken worms in turkeys and turkey worms in chickens) would be successful. Chickens and turkeys were obtained at day of hatch, brooded to 7 days of age, and placed in pens (25/pen) according to infection as received at 7 days of age: homologous, heterologous and control (no infection). Bird weights, mortalities, and feed efficiencies were monitored for 3 weeks postinfection, at which time all birds were killed …