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Full-Text Articles in Life Sciences
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 …
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 …
Livability Of Leghorn Balut Embryos Stored Under Varying Temperatures And Storage Times, Joyce Jong, F. Dustan Clark
Livability Of Leghorn Balut Embryos Stored Under Varying Temperatures And Storage Times, Joyce Jong, F. Dustan Clark
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Baluts are fertile chicken or duck eggs that have been incubated and removed from the incubator prior to hatching for consumption. Chicken eggs are incubated for 11 to 14 days and duck eggs are incubated for 16 to 20 days. Baluts have an extremely specialized consumer market, with the majority of its consumers of Filipino decent. Current U.S. Department of Agriculture regulations for the storage of baluts prior to sale is 7.2ºC, the same as for infertile commercial table eggs. Consumer preference is to purchase live baluts for consumption. Since exposure to 7.2ºC causes embryo mortality within 8 hours of …
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.
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.
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.
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 …
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.
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.
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.
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.