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Articles 2731 - 2760 of 21406
Full-Text Articles in Entire DC Network
Implementation Of The Port State Measure Agreement (Psma) To Combat Iuu Fishing In The Philippines, Marilyn Labasan Jaal
Implementation Of The Port State Measure Agreement (Psma) To Combat Iuu Fishing In The Philippines, Marilyn Labasan Jaal
World Maritime University Dissertations
No abstract provided.
List Of Fish Species Present In Galápagos, Ecuador, And California, U.S.A., With Notes On Their Commercial Importance And Conservation Status, Erin J. Hanson, Jose R. Marin Jarrin
List Of Fish Species Present In Galápagos, Ecuador, And California, U.S.A., With Notes On Their Commercial Importance And Conservation Status, Erin J. Hanson, Jose R. Marin Jarrin
IdeaFest: Interdisciplinary Journal of Creative Works and Research from Cal Poly Humboldt
No abstract provided.
The 3p Framework: A Comprehensive Approach To Coping With The Emerging Infectious Disease Crisis, Orsolya Molnár, Eric Hoberg, Valeria Trivellone, Gábor Földvári, Daniel R. Brooks
The 3p Framework: A Comprehensive Approach To Coping With The Emerging Infectious Disease Crisis, Orsolya Molnár, Eric Hoberg, Valeria Trivellone, Gábor Földvári, Daniel R. Brooks
MANTER: Journal of Parasite Biodiversity
The COVID-19 pandemic is the latest example of the profound socioeconomic impact of the emerging infectious disease (EID) crisis. Current health security measures are based on a failed evolutionary paradigm that presumes EID is rare and cannot be predicted because emergence requires the prior evolution of novel genetic capacities for colonizing a new host. Consequently, crisis response through preparation for previously emerged diseases and palliation following outbreaks have been the only health security options, which have become unsustainably expensive and unsuccessful. The Stockholm paradigm (SP) is an alternative evolutionary framework that suggests host changes are the result of changing conditions …
Design And Development Of A Broiler Mortality Removal Robot, Guoming Li, Gary Daniel Chesser, Joseph L. Purswell, Christopher L. Magee, Richard S. Gates, Yijie Xiong
Design And Development Of A Broiler Mortality Removal Robot, Guoming Li, Gary Daniel Chesser, Joseph L. Purswell, Christopher L. Magee, Richard S. Gates, Yijie Xiong
Department of Animal Science: Faculty Publications
Manual collection of broiler mortality is time-consuming, unpleasant, and laborious. The objectives of this research were: (1) to design and fabricate a broiler mortality removal robot from commercially available components to automatically collect dead birds; (2) to compare and evaluate deep learning models and image processing algorithms for detecting and locating dead birds; and (3) to examine detection and mortality pickup performance of the robot under different light intensities. The robot consisted of a two-finger gripper, a robot arm, a camera mounted on the robot’s arm, and a computer controller. The robot arm was mounted on a table, and 64 …
Oregon State Rank Assessment For White-Footed Vole (Arborimus Albipes), Eleanor P. Gaines
Oregon State Rank Assessment For White-Footed Vole (Arborimus Albipes), Eleanor P. Gaines
Institute for Natural Resources Publications
Oregon state conservation status assessment for white-footed vole (Arborimus albipes) using NatureServe methodology, 2022.
Microbial Community Structure From Southern High Plains Beef Cattle Feedyard Manure And Relationship With Nitrous Oxide Emissions, Heidi Waldrip, David Parker, Sierra Miller, Lisa M. Durso, Byeng R. Min, Daniel N. Miller, Kenneth Casey, Bryan Woodbury, Mindy J. Spiehs
Microbial Community Structure From Southern High Plains Beef Cattle Feedyard Manure And Relationship With Nitrous Oxide Emissions, Heidi Waldrip, David Parker, Sierra Miller, Lisa M. Durso, Byeng R. Min, Daniel N. Miller, Kenneth Casey, Bryan Woodbury, Mindy J. Spiehs
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Modern molecular techniques enable characterization of the microbial biome in livestock manure, from which there is particular concern over emission of greenhouse gases. This study evaluated how sampling depth, time, temperature, and artificial rainfall affected microbial community structure in feedyard manure, and relationships between the manure biome and known parameters related to nitrous oxide (N2O) emissions. In three large incubation chambers, maintained at different temperatures that received two applications of artificial rainfall, we evaluated manure microbiome composition and abundance of N2O-producing enzymes (nirK and nirS) using quantitative polymerase chain reaction (qPCR). These data were …
Smart Drumlines Ineffective In Catching White Sharks In The High Energy Capes Region Of Western Australia: Acoustic Detections Confirm That Sharks Are Not Always Amenable To Capture, Stephen M. Taylor, Jason How, Michael J. Travers, Stephen J. Newman, Silas Mountford, Daniela Waltrick, Christopher E. Dowling, Ainslie M. Denham, Daniel J. Gaughan
Smart Drumlines Ineffective In Catching White Sharks In The High Energy Capes Region Of Western Australia: Acoustic Detections Confirm That Sharks Are Not Always Amenable To Capture, Stephen M. Taylor, Jason How, Michael J. Travers, Stephen J. Newman, Silas Mountford, Daniela Waltrick, Christopher E. Dowling, Ainslie M. Denham, Daniel J. Gaughan
Fisheries Research Articles
The management of human-shark interactions can benefit from the implementation of effective shark hazard mitigation measures. A Shark-Management-Alert-in-Real-Time (SMART) drumline trial in the Capes region of Western Australia was instigated after several serious incidents involving surfers and white sharks (Carcharodon carcharias). The project aimed to determine whether white sharks (target species), which were relocated after capture, remained offshore using satellite and acoustic tagging. Over a 27-month period, 352 fish were caught, 55% of which comprised tiger sharks (Galeocerdo cuvier). Ninety-one percent of animals were released alive in good condition. Only two white sharks were caught; both were relocated ≥ 1 …
Oregon State Rank Assessment For Red Tree Vole (Arborimus Longicaudus), Eleanor P. Gaines
Oregon State Rank Assessment For Red Tree Vole (Arborimus Longicaudus), Eleanor P. Gaines
Institute for Natural Resources Publications
Oregon state conservation status assessment for Red tree vole (Arborimus longicaudus) using NatureServe methodology, 2022.
Forest Cover And Geographic Distance Influence Fine-Scale Genetic Structure Of Leaf-Toed Geckos In The Tropical Dry Forests Of Western Mexico, Connor M. French, Casey-Tyler Berezin, Isaac Overcast, Fausto R. Méndez De La Cruz, Saptarsi Basu, Roberto Lhemish Martínez Bernal, Robert W. Murphy, Michael J. Hickerson, Christopher Blair
Forest Cover And Geographic Distance Influence Fine-Scale Genetic Structure Of Leaf-Toed Geckos In The Tropical Dry Forests Of Western Mexico, Connor M. French, Casey-Tyler Berezin, Isaac Overcast, Fausto R. Méndez De La Cruz, Saptarsi Basu, Roberto Lhemish Martínez Bernal, Robert W. Murphy, Michael J. Hickerson, Christopher Blair
Publications and Research
The biodiversity within tropical dry forests (TDFs) is astounding and yet poorly catalogued due to inadequate sampling and the presence of cryptic species. In the Mexican TDF, endemic species are common, and the landscape has been continually altered by geological and anthropogenic changes. To understand how landscape and environmental variables have shaped the population structure of endemic species, we studied the recently described species of leaf-toed gecko, Phyllodactylus benedettii, in coastal western Mexico. Using double-digest restriction site-associated DNA sequencing data, we first explore population structure and estimate the number of ancestral populations. The results indicate a high degree of …
The Effects Of Administering Different Metaphylactic Antimicrobials On Growth Performance And Health Outcomes Of High-Risk, Newly Received Feedlot Steers, Carley M. Coppin, Taylor M. Smock, Cory L. Helmuth, Jeff L. Manahan, Nathan S. Long, Ashley A. Hoffman, Jeffery A. Carroll, Paul R. Broadway, Nicole C. Burdick Sanchez, James E. Wells, Samodha C. Fernando, Kristin E. Hales
The Effects Of Administering Different Metaphylactic Antimicrobials On Growth Performance And Health Outcomes Of High-Risk, Newly Received Feedlot Steers, Carley M. Coppin, Taylor M. Smock, Cory L. Helmuth, Jeff L. Manahan, Nathan S. Long, Ashley A. Hoffman, Jeffery A. Carroll, Paul R. Broadway, Nicole C. Burdick Sanchez, James E. Wells, Samodha C. Fernando, Kristin E. Hales
Department of Animal Science: Faculty Publications
Bovine respiratory disease (BRD) is the primary animal health concern facing feedlot producers. Many antimicrobial mitigation strategies are available, but few studies have compared feedlot performance during both the receiving and finishing periods following application of different antimicrobials used as metaphylaxis at arrival. The objective of this study was to compare antimicrobial metaphylaxis methods on clinical health and growth performance across both the receiving and finishing periods. A total of 238 multiple-sourced steers in two source blocks were used in a generalized complete block design. The four treatments included: 1) a negative control, 5 mL of sterile saline injected subcutaneously …
Reanalysis Of The Yunnan Population Of Scorpiops Kubani With A Description Of A New Species, Scorpiops Lowei Sp. N. (Scorpiones: Scorpiopidae), Victoria Tang
Euscorpius
The Yunnan population of Scorpiops kubani (Kovařík, 2004) is reassessed based on recently collected specimens from this region. A misidentification of that species is revealed, which leads to a description of a new species, Scorpiops lowei sp. n.
Bird Species Define The Relationship Between West Nile Viremia And Infectiousness To Culex Pipiens Mosquitoes, Jefferson A. Vaughan, Robert Newman, Michael J. Turrell
Bird Species Define The Relationship Between West Nile Viremia And Infectiousness To Culex Pipiens Mosquitoes, Jefferson A. Vaughan, Robert Newman, Michael J. Turrell
Biology Faculty Publications
The transmission cycle of West Nile virus (WNV) involves multiple species of birds. The relative importance of various bird species to the overall transmission is often inferred from the level and duration of viremia that they experience upon infection. Reports utilizing in vitro feeding techniques suggest that the source and condition of blood in which arboviruses are fed to mosquitoes can significantly alter the infectiousness of arbovirus to mosquitoes. We confirmed this using live hosts. A series of mosquito feedings with Culex pipiens was conducted on WNV-infected American robins and common grackles over a range of viremias. Mosquitoes were assayed …
The Effect Of Infection Risk On Female Blood Transcriptomics, Brenna M. G. Gormally, Patricia C. Lopes
The Effect Of Infection Risk On Female Blood Transcriptomics, Brenna M. G. Gormally, Patricia C. Lopes
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Defenses against pathogens can take on many forms. For instance, behavioral avoidance of diseased conspecifics is widely documented. Interactions with these infectious conspecifics can also, however, lead to physiological changes in uninfected animals, an effect that is much less well understood. These changes in behavior and physiology are particularly important to study in a reproductive context, where they can impact reproductive decisions and offspring quality. Here, we studied how an acute (3 h) exposure to an immune-challenged male affected female blood transcriptomics and behavior. We predicted that females paired with immune-challenged males would reduce eating and drinking behaviors (as avoidance …
Morphometric And Molecular Characterization Of An Unpigmented Haemosporidian Parasite In The Neotropical Turnip-Tailed Gecko (Thecadactylus Rapicauda), Nubia E. Matta, Leydy P. González, Mario Vargas-Ramírez, Gediminas Valkiūnas, Ananias A. Escalante, M. Andreína Pacheco
Morphometric And Molecular Characterization Of An Unpigmented Haemosporidian Parasite In The Neotropical Turnip-Tailed Gecko (Thecadactylus Rapicauda), Nubia E. Matta, Leydy P. González, Mario Vargas-Ramírez, Gediminas Valkiūnas, Ananias A. Escalante, M. Andreína Pacheco
Harold W. Manter Laboratory of Parasitology: Library Materials
Morphological traits from blood stages have been the gold standard for determining haemosporidian parasite species. However, the status of some taxa and the value of such traits in parasites from reptiles remain contentious. The scarce sampling of these species worsens the situation, and several taxa lack molecular data. A survey was performed in the Magdalena Department in Colombia, where 16 species of reptiles were captured. A peculiar haemosporidian parasite was found in the Turnip-tailed gecko Thecadactylus rapicauda. This haemosporidian does not show malarial pigment in blood stages under light microscopy; thus, it fits the Garnia genus’s characters belonging to …
A New Species Of Scorpiops Peters, 1861 From Yunnan Province, China, With A Preliminary Review Of Its Congeners In Yunnan (Scorpiones: Scorpiopidae), Victoria Tang
Euscorpius
A new species of Scorpiops Peters, 1861, Scorpiops tongtongi sp. n., is described from Yingjiang, Yunnan Province, China, based on a single adult female. The morphology of the new species is fairly distinguishable from other congeners in Yunnan even with unaided eye; it is characterized by the following combination of characters in female: a pair of moderately robust pedipalp chelae without proximal lobes, small median ocular tubercle, short superciliary carinae, less granulated tergites, proportionally elongate metasoma and relatively short and bulbous vesicle. The coloration of the new species also differs from other congeners in Yunnan by being brownish in …
Speciation Jigsaw Activity, Erika Crispo
Speciation Jigsaw Activity, Erika Crispo
Open Educational Resources
What is a species? Why are there so many species on the planet? The question of why we have different species of organisms was the key thesis of Charles Darwin’s most famous book, On the Origin of Species.While several definitions of what constitutes a species exists, the most common definition lies within thebiological species concept. This concept states that different species exist when two individuals of different sexes are unable to reproduce with one another to yield viable offspring in the wild. A major limitation of this definition is that it can only be applied to sexually reproducing organisms that …
Recommendations For Establishing A Market For Invasive Green Crabs In New England, Eve Fischer, Jesse Minor, Marissa Mcmahan
Recommendations For Establishing A Market For Invasive Green Crabs In New England, Eve Fischer, Jesse Minor, Marissa Mcmahan
Student Scholarship
Green crabs are one of the most invasive marine species in the world. Their populations in New England have grown significantly due to climate change, increasing their environmental and socioeconomic impacts. Green crabs are voracious predators of soft shell clams, and have had a detrimental impact on the region’s valuable clam fisheries. They also prey on juvenile lobsters and other shellfish and compete with native crab species for resources. Green crabs burrow into and damage eelgrass beds, which are a vital habitat for many marine species and an important “blue carbon” sink. Due to their rapid rate of reproduction as …
Boat-Based Recreational Fishing In Western Australia 2020/21, Karina L. Ryan, Eva Km Lai Dpird, Claire B. Smallwood
Boat-Based Recreational Fishing In Western Australia 2020/21, Karina L. Ryan, Eva Km Lai Dpird, Claire B. Smallwood
Fisheries Research Reports
The integrated surveys of boat-based recreational fishing include three components: (i) off-site Phone Surveys (encompassing an initial Screening Survey, a longitudinal Phone-Diary Survey, and Post-Enumeration Surveys); (ii) on-site Boat Ramp Surveys; and (iii) Remote Camera Surveys. The main data collection period from September 2020 to August 2021 (inclusive) provides comparisons with previous surveys in 2017/18 (September 2017 to August 2018), 2015/16 (September 2015 to August 2016), 2013/14 (May 2013 to April 2014) and 2011/12 (March 2011 to February 2012). A total of 3,044 fishers completed the Phone-Diary Survey with 206,230 individual fish (including invertebrates) caught (kept or released) by fishers …
Use Of Micellar Casein Concentrate And Milk Protein Concentrate Treated With Transglutaminase In Imitation Cheese Products—Unmelted Texture, Prafulla Salunke, Chenchaiah Marella, J. K. Amamcharla, K. Muthukumarappan, Lloyd Metzger
Use Of Micellar Casein Concentrate And Milk Protein Concentrate Treated With Transglutaminase In Imitation Cheese Products—Unmelted Texture, Prafulla Salunke, Chenchaiah Marella, J. K. Amamcharla, K. Muthukumarappan, Lloyd Metzger
Dairy Science and Food Science Faculty Publications: 2022 to Present
The amount of intact casein provided by dairy ingredients is a critical parameter in dairy-based imitation mozzarella cheese (IMC) formulation because it has a significant effect on unmelted textural parameters such as hardness. From a functionality perspective, rennet casein (RCN) is the preferred ingredient. Milk protein concentrate (MPC) and micellar casein concentrate (MCC) cannot provide the required functionality due to the higher steric stability of casein micelle. However, the use of transglutaminase (TGase) has the potential to modify the surface properties of MPC and MCC and may improve their functionality in IMC. The objective of this study was to determine …
Orb-Weaver Diversity And Niche Partitioning In Ecuador’S Amazonian Foothills: What Spiders Can Reveal About Tree Fall Gaps, Streams, And Cultivated Areas, Riley Endries
Independent Study Project (ISP) Collection
As abundant predators at the top of arthropod food chains, spiders are excellent bioindicators. Araneae is a megadiverse and extremely understudied order, especially in the tropics. This study aims to investigate the diversity of orb-weaver spiders across a disturbance gradient and variety of habitat types as well as their microhabitat preferences and potential niche partitioning. Spider collection was performed on spiders of the families Araneidae, Tetragnathidae, and Theridiosomatidae in Sumak Kawsay in Situ biological reserve in the lower elevation cloud forest of Ecuador’s Andean foothills. Spiders and webs were observed and analyzed from primary and secondary forest tree fall gaps, …
Arthropod Assemblages At The Intersection Of Epiphyte And Soil Habitats: An Assessment Of Understory Level Nonvascular Epiphyte Communities And Their Connectivity Within A Tropical Montane Rainforest, David “Max” Jones
Independent Study Project (ISP) Collection
Canopy arthropods communities represent a disproportionate amount of global species richness (Stuntz 2001). Understanding arthropod composition and connectivity of lower epiphyte communities is important in understanding how canopy arthropods communities are formed and will respond to change (Floren and Linsenmair 1998). As such this study examined arthropod assemblages living within nonvascular epiphyte communities (epiphyte mats) living directly upon lower trunk regions of 24 trees in a tropical montane rain forest within the Santa Lucia Nature Reserve in Pichincha, Ecuador. Trees were assessed for size, epiphyte diversity, and epiphyte coverage before arthropod sampling within the epiphyte mats. Soil assessments were taken …
The Nesting Behavior Of Russet-Backed Oropendola On Sumak Allpa, Ecuador: An Analysis Of Nest Construction And Interactions With Competing Species, Claire Molina
Independent Study Project (ISP) Collection
Nests are the literal place of birth of bird species; they are incredibly important in the survival and reproduction of populations. Therefore, nesting behavior is a gateway into the lives and success of the animals. With the degradation of natural landscapes due to human activity, there is more of a need to monitor these nests to ensure healthy inhabitants. The Russet-backed Oropendola (Psarocolius angustifrons) creates unique, pendulous nests that are subject to piracy, parasitism, and predation; as well as weather phenomenon’s such as wind and rainstorms. This study describes the nest construction behavior, nest materials and nest architecture by collecting …
Tree To Tree: Phylogenetics Of Diverse Anura Using Portable Lab Equipment: Primer Optimization, Bioinformatic Pipeline, And Phylogenetic Analyses Reveal Potential New Species And Ability To Identify Evolutionary Relationships In A Hyper Diverse Anura Clade Using Nanopore Sequencing, Elinor Sterner
Independent Study Project (ISP) Collection
The Corredor Llanganates-Sangay is an extremely significant region for conservation, coined a “gift to the earth” by the World Wildlife Fund. Understanding amphibians species and populations is key due to their roles as hyper sensitive bioindicators. In recent years, portable sequencing equipment (Mini PCR thermocyclers, Oxford Nanopore Technology’s MinION sequencer, etc) make genetic data collection in remote areas possible, greatly increasing potential for conservation genetics and genomics. This study uses portable equipment to sequence two mitochondrial loci in 104 Anuran samples collected in four sites in the Corridor and presents phylogenies of each gene as well as a concatenated phylogeny. …
Timber Rattlesnake (Crotalus Horridus): A Species Conservation Assessment For The Nebraska Natural Legacy Project, Melissa J. Panella, Dan Fogell, Colleen Rothe-Groleau
Timber Rattlesnake (Crotalus Horridus): A Species Conservation Assessment For The Nebraska Natural Legacy Project, Melissa J. Panella, Dan Fogell, Colleen Rothe-Groleau
Nebraska Game and Parks Commission: Publications
The primary goal in the development of at-risk species conservation assessments is to compile biological and ecological information that may assist conservation practitioners in making decisions regarding the conservation of species of interest. The Nebraska Natural Legacy Project recognizes the timber rattlesnake (Crotalus horridus) as a Tier 1 at-risk species. Provided here are general management recommendations regarding timber rattlesnakes. Conservation practitioners will need to use their professional judgment for management decisions based on objectives, location, and site-specific conditions. Based on the body of literature and available data, this species conservation assessment provides an overview of our current knowledge of timber …
Recreational Fishing For Western Rock Lobster: Estimates Of Participation, Effort And Catch In 2021/22, Claire B. Smallwood, Karina L. Ryan, Alissa C. Tate, Lucy J. Rudd
Recreational Fishing For Western Rock Lobster: Estimates Of Participation, Effort And Catch In 2021/22, Claire B. Smallwood, Karina L. Ryan, Alissa C. Tate, Lucy J. Rudd
Fisheries Research Reports
The Western Rock Lobster (WRL) (Panulirus cygnus) is the most commonly caught Rock Lobster (RL) species in Western Australia. Catches from the commercial and recreational sectors are required to determine and monitor Total Allowable Commercial Catch (TACC), Total Allowable Recreational Catch (TARC) and proportion of Allowable Harvest Level (AHL) achieved. The TARC is set at 5% of the AHL and evaluated in the harvest strategy based on a 5-year average. Since 2018/19, data for the recreational sector have been collected using phone- recall surveys to provide estimates of participation, fishing effort and retained catch (by numbers) from recreational fishers who …
[Tilapia (Oreochromis)] Neurocranium, Kaylee J. Czachorowski, Mackenzie S. Magyar, Haley Minne, David William Kerstetter
[Tilapia (Oreochromis)] Neurocranium, Kaylee J. Czachorowski, Mackenzie S. Magyar, Haley Minne, David William Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium [Oreochromis] by Kaylee Czachorowski, Haley Minne, Mackenzie Magyar
Observational Study Of Woolly Monkey Behavior And Vocalizations: Behavioral Time Allotment And Vocalization Habits Of A Small Population Of Poeppig’S Woolly Monkey (Lagothrix Lagotricha Poeppigii) In The Ecuadorian Amazon, Marina Smith-Hanke
Independent Study Project (ISP) Collection
Poeppig’s woolly monkey (Lagothrix lagotricha poeppigii), a species of primate native to the Amazonian regions of western Brazil, eastern Ecuador, and northeastern Peru, is classified as endangered by the IUCN. These large, frugivorous primates are threatened by habitat loss and climate change as a result of human interference. Deforestation, hunting, petroleum mining, and illegal trafficking are all huge threats to this species. As a result of these pressures, their populations have decreased by at least 30% over the past three generations. However, as keystone seed dispersers, they are essential for Amazonian ecosystem health; without their seed dispersal services, a loss …
Interaction Between The Hypothalamo-Pituitary-Adrenal And Thyroid Axes During Immobilization Stress, Hakeem J. Kadhim, Wayne J. Kuenzel
Interaction Between The Hypothalamo-Pituitary-Adrenal And Thyroid Axes During Immobilization Stress, Hakeem J. Kadhim, Wayne J. Kuenzel
Poultry Science Faculty Publications and Presentations
The location of corticotropin-releasing hormone receptor 2 (CRH-R2) on thyrotropes within the avian anterior pituitary (APit) and its activation by different stressors indicate a possible communication between hypothalamo-pituitary-adrenal (HPA) and thyroid (HPT) axes. Therefore, an experiment was designed to 1) compare the timing of major components of the HPT axis to those of the HPA axis; 2) address whether stressors activating the HPA axis may simultaneously upregulate components of the HPT axis. Blood, brain, and APit were sampled from chicks prior to stress (control) and 15, 30, 60, 90, and 120 min following immobilization (IM) stress. The nucleus of the …
The Role Of Frugivorous Birds As Seed Dispersers: Feeding Selection And Preference Of Madagascar’S Avian Frugivores In Analamazaotra Forest, Thaddeus Bashaw
The Role Of Frugivorous Birds As Seed Dispersers: Feeding Selection And Preference Of Madagascar’S Avian Frugivores In Analamazaotra Forest, Thaddeus Bashaw
Independent Study Project (ISP) Collection
Madagascar is a country rich in floral and faunal diversity. However, anthropogenic habitat destruction and climate change increasingly threaten its biodiversity. Endozoochorous plants that dependent on frugivory for seed dispersal are under threat due to increasing rates of localized extinctions of frugivorous lemurs, the primary seed dispersers of the island. While lemurs are the islands most abundant frugivores, other frugivorous vertebrates like birds and bats likely play a significant role in seed dispersal, although this role is still poorly understood. This study, conducted in Analamazaotra forest, compares the rates of visitation and consumption of six endemic fruiting tree species by …
The Relationship Between Performance, Body Composition, And Processing Yield In Broilers: A Systematic Review And Meta-Regression, Diego A. Martinez, Jordan T. Weil, Nawin Suesuttajit, Cole Alan Umberson, Abdullah Scott, Craig N. Coon
The Relationship Between Performance, Body Composition, And Processing Yield In Broilers: A Systematic Review And Meta-Regression, Diego A. Martinez, Jordan T. Weil, Nawin Suesuttajit, Cole Alan Umberson, Abdullah Scott, Craig N. Coon
Poultry Science Faculty Publications and Presentations
This study aims to model the relationship among performance, whole body composition, and processing yield through meta-regression. Scientific papers found in Scopus and Google Scholar were included if they reported results and variability values of an actual experiment in the three mentioned groups of variables using a single broiler genetic line. Weighted mean effect sizes were determined with a random model, the risk of bias was determined, and heterogeneity was considered an indicator of usefulness. Meta-regressions considered the effect sizes of the response variable and the percent change in one or more variables as predictors. A 78-row database was built …