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Articles 2401 - 2430 of 36382
Full-Text Articles in Entire DC Network
Trends In Monitoring Of Australia’S Threatened Birds (1990–2020): Much Improved But Still Inadequate, Simon J. Verdon, Robert A. Davis, Ayesha Tulloch, Sarah M. Legge, David M. Watson, John C. Z. Woinarski, G. Barry Baker, Joris Driessen, Hayley M. Geyle, Hugh Possingham, Stephen T. Garnett
Trends In Monitoring Of Australia’S Threatened Birds (1990–2020): Much Improved But Still Inadequate, Simon J. Verdon, Robert A. Davis, Ayesha Tulloch, Sarah M. Legge, David M. Watson, John C. Z. Woinarski, G. Barry Baker, Joris Driessen, Hayley M. Geyle, Hugh Possingham, Stephen T. Garnett
Research outputs 2022 to 2026
Monitoring is vital to conservation, enabling conservation scientists to detect population declines, identify threats and measure the effectiveness of interventions. However, not all threatened taxa are monitored, monitoring quality is variable, and the various components of monitoring are likely to differ in their rates of improvement over time. We assessed the presence of monitoring and monitoring quality, using a range of metrics, for all Australia’s threatened bird taxa from 1990 to 2020 (four assessments spanning 30 years). We used our assessments to understand decadal trends in the number of taxa monitored; monitoring quality; and the groups that conduct monitoring. The …
How Does A Global Climate Cycle Affect The Reproductive Output Of A Neotropical Migratory Bird?, Abby K. Bressette, Emma Cummings, Daniel Albrecht-Mallinger, Lesley Bulluck
How Does A Global Climate Cycle Affect The Reproductive Output Of A Neotropical Migratory Bird?, Abby K. Bressette, Emma Cummings, Daniel Albrecht-Mallinger, Lesley Bulluck
UROP Posters
El-Niño Southern Oscillation (ENSO) causes regional changes in climate and has been found to have varying effects on the survival, fecundity, and recruitment of migratory songbirds. This study seeks to better understand the effect of ENSO on the fecundity of Virginia-breeding Prothonotary warbler (Protonotaria citrea; PROW), a neotropical migratory songbird. PROW breed in the Eastern United States and spend the non-breeding season primarily in Panama and Colombia. Ongoing research in Virginia has found a positive relationship between spring precipitation and predicted number of PROW fledgelings during La Niña, but the opposite during El Niño. To better understand this relationship, we …
Carry-Over Effects Of Climate On Prothonotary Warbler (Protonotaria Citrea) Feather Quality, Alyssa N. Spasic, Dan Albrecht-Mallinger, Lesley Bulluck
Carry-Over Effects Of Climate On Prothonotary Warbler (Protonotaria Citrea) Feather Quality, Alyssa N. Spasic, Dan Albrecht-Mallinger, Lesley Bulluck
UROP Posters
Avian species have inspired numerous studies on ornamentation, exploring its role in intra- and intersexual selection as a marker for individual quality. Male birds have been the focus of most of these studies while females, which can also display ornamentation, have been studied less. Coloration achieved through molt, particularly carotenoid-based pigments, requires energy derived from food resources. As climate affects insect abundance, there may be a link between climate conditions during molt and feather quality the following season. We assessed the relationship between temperature and precipitation during molt and female Prothonotary Warbler (Protonotaria citrea) breast and crown feather reflectance metrics …
Exploring Long-Term Patterns: Black Bass Tournament Fishery And Population Trends In West Virginia's Navigable Rivers, Alex J. Benecke
Exploring Long-Term Patterns: Black Bass Tournament Fishery And Population Trends In West Virginia's Navigable Rivers, Alex J. Benecke
Graduate Theses, Dissertations, and Problem Reports (ETD)
Black bass Micropterus spp. are popular sport fish in West Virginia’s navigable rivers. In recent years, anglers have expressed concerns about a potential decline in fishery quality. To investigate these claims, we evaluated whether fishery quality has declined compared to earlier periods and whether population trends correspond to angler catch rates. Specifically, we aimed to (1) examine changes in species catch over time and during key periods, such as tournament and spawning seasons; (2) describe the distribution of black bass species across pools and habitat types; and (3) assess the outcomes of previous stocking efforts. To address these objectives, we …
Measures Of Feed Efficiency In Beef Cattle: Biological Basis And Effect On Response To Dietary Supplementation, Modoluwamu Idowu
Measures Of Feed Efficiency In Beef Cattle: Biological Basis And Effect On Response To Dietary Supplementation, Modoluwamu Idowu
Graduate Theses, Dissertations, and Problem Reports (ETD)
During the feedlot receiving period, newly weaned beef cattle face various stressors, including weaning, transportation, vaccination, and exposure to pathogens. Additionally, changes in diet and low dry matter intake contribute to nutrient deficiencies, heightening susceptibility to disease and performance declines. Therefore, we examined the effects of dietary supplementation with a multicomponent blend of prebiotics and probiotics on the health, immune status, metabolism, and performance of newly weaned beef steers during a 35-day receiving period. Our results showed that compared to the control group, the supplemental additive (SYNB) increased average daily gain (ADG), dry matter intake, and meal events during the …
Hepatic Mrna Expression Of Innate And Adaptive Immune Genes In Beef Steers With Divergent Residual Body Weight Gain, Deborah Ologunagba
Hepatic Mrna Expression Of Innate And Adaptive Immune Genes In Beef Steers With Divergent Residual Body Weight Gain, Deborah Ologunagba
Graduate Theses, Dissertations, and Problem Reports (ETD)
Immune system function is critical to maintaining the health and increasing productivity of cattle, affecting both their growth and their disease resistance. In an efficient immune system, the liver assumes an integral function in detoxification and metabolic processes and contributes substantially to overall production and immunity. In this study, we evaluated the hepatic mRNA expression of genes involved in innate and adaptive immunity in crossbred beef steers with either a positive or negative residual body weight gain (RADG). Positive-RADG beef steers (n = 8; RADG = 0.76 kg/d) and negative-RADG beef steers (n = 8; RADG = -0.64 kg/d) were …
Effects Of Dietary Supplementation Of A Blend Of Saccharomyces Cerevisiae, Multiple Live Probiotic Bacteria, And Their Fermentation Products On Performance, Health, And Rumen Bacterial Community Of Newly Weaned Beef Steers During A 56-D Receiving Period, Emily Treon
Graduate Theses, Dissertations, and Problem Reports (ETD)
We examined the effects of a blend of Saccharomyces cerevisiae, multiple live probiotic bacteria and their fermentation products on performance, health, and the ruminal bacterial community of newly weaned beef steers during a 56-day receiving period. Forty newly weaned Angus crossbred steers (221 ± 25.6 kg BW; 180 ± 17 d of age) were stratified by body weight into four pens (10 steers per pen) such that each pen had a similar average body weight at the beginning of the experiment. The pens were randomly assigned to receive a corn silage basal diet (CON; n = 20) or the …
Pigeon Strike!, John Adam
Pigeon Strike!, John Adam
Mathematics & Statistics Faculty Publications
This article, titled "Pigeon strike!" from the Physics Teacher journal, discusses an incident where a bird, likely a pigeon, struck a window leaving an imprint. The author went outside to check but found no trace of the bird, hoping it had flown away after receiving medical care. The article also includes questions for readers to estimate the momentum, kinetic energy, force, pressure, and wingspan of the bird. The answers to these questions can be found online in the current issue of the journal. The article concludes with information about Fermi Questions and how to submit ideas.
Immune Outcomes Affected By Selection For Parasite Resistance In Katahdin Sheep, Kelsey Lynne Bentley
Immune Outcomes Affected By Selection For Parasite Resistance In Katahdin Sheep, Kelsey Lynne Bentley
Graduate Theses, Dissertations, and Problem Reports (ETD)
Our understanding of the complex connection between selection for parasite resistance and the overall health outcomes in livestock is unclear. This study investigates the impact of post-weaning fecal egg count (PFEC) estimated breeding values (EBV) on health outcomes and immune responses in Katahdin sheep. Selection for PFEC, favoring Low-PFEC lambs, not only affects survivability to weaning but also suggests broader implications for immunity beyond parasite resistance. The effect of PFEC EBV on antibody production in response to vaccination against Clostridium perfringens type C&D and tetanus toxoid (CD&T) revealed a stepwise decrease in immunoglobin (IgG) from Low-PFEC to High-PFEC groups upon …
Investigating Birds As Dispersal Vectors Of Litylenchus Crenatae Subsp. Mccannii (Anguinidae), The Nematode Associated With Beech Leaf Disease, Spencer Rock Parkinson
Investigating Birds As Dispersal Vectors Of Litylenchus Crenatae Subsp. Mccannii (Anguinidae), The Nematode Associated With Beech Leaf Disease, Spencer Rock Parkinson
Graduate Theses, Dissertations, and Problem Reports (ETD)
Beech leaf disease (BLD) is an emerging forest pathogen primarily affecting American beech (Fagus grandifolia, Ehrh.) in North America and has been attributed to tree mortality of sapling sized trees within five to seven years of infection. Symptoms typically occur in regenerating American beech thickets sprouting from roots of trees killed by beech bark disease. Scientists first observed BLD in Ohio in 2012 and currently has spread to 15 states in the USA and one Canadian province. The nematode Litylenchus crenatae subsp. mccannii (Lcm) is highly associated with BLD symptoms, interveinal chlorosis and defoliation of leaves, and is currently …
Zoo Communication: A Study Of Stewardship With Animal Conservation In Zoos Across The United States, Abby Rachelle Lester
Zoo Communication: A Study Of Stewardship With Animal Conservation In Zoos Across The United States, Abby Rachelle Lester
Graduate Theses, Dissertations, and Problem Reports (ETD)
This thesis investigates the communication strategies employed by zoo professionals to promote engagement and advanec animal conservation education. Through in-depth interviews with zoo experts, the stidy explores the intricate connections between communication practices and stewardship princliples within zoo facilities. Findings from this study contribute to the understanding of effective communication in the realm of animal conservation, with implications for both zoo practitioners and conservation educators. The study delves into the effective strategies for identifying and fostering relationships with environmental stewards, alongside encouraging their involvement in zoo-based animal conservation initiatives. The theoretical implications highlight gaps in existing models, emphasizing the need …
Estradiol’S Role In Timely Puberty Onset In The Ewe, Eliana Gerardine Aerts
Estradiol’S Role In Timely Puberty Onset In The Ewe, Eliana Gerardine Aerts
Graduate Theses, Dissertations, and Problem Reports (ETD)
In female sheep, the release of gonadotropin-releasing hormone (GnRH) from the hypothalamus triggers luteinizing hormone (LH) to be released from the pituitary. Luteinizing hormone, in turn, acts on the ovaries to elicit estradiol (E2) release. E2 acts in a negative feedback manner to control the amount of LH released. The increase in LH release that drives puberty onset results from a decrease in sensitivity to E2 as the animal ages. However, the neural mechanisms mediating this change in sensitivity are not known, as is where in the hypothalamus E2-negative feedback occurs. In the arcuate …
Walleye (Sander Vitreus) Do Not Exhibit An Aggregative Predatory Response To Larval White Sturgeon (Acipenser Transmontanus) In The Upper Columbia River In Lake Roosevelt, Washington, Seth A. Barr
EWU Masters Thesis Collection
Seasonal prey abundance can drive predatory fishes to aggregate in areas of high prey density. This project aimed to determine whether Walleye (Sander vitreus) exhibit an aggregative predation response to larval White Sturgeon (Acipenser transmontanus) drifts in the Lake Roosevelt system which is a reservoir of the Columbia River in Washington State. Populations of sturgeon are threatened worldwide, and are in need of conservation research. Walleye are a popular nonnative piscivorous game fish that were accidentally or illegally introduced to Lake Roosevelt in the 1950’s. Walleye in this study were obtained by gillnetting during White Sturgeon pre-spawn, peak spawn, and …
The Impacts Of Anthropogenic Activity And Climate Change On The Formation Of Harmful Algal Blooms (Habs) And Its Ecological Consequence, Zhangxi Hu, Aifeng Li, Zhun Li, Margaret R. Mulholland
The Impacts Of Anthropogenic Activity And Climate Change On The Formation Of Harmful Algal Blooms (Habs) And Its Ecological Consequence, Zhangxi Hu, Aifeng Li, Zhun Li, Margaret R. Mulholland
OES Faculty Publications
No abstract provided.
Diel Vertical Migration Rates Of The Dinoflagellate Species Margalefidinium Polykrikoides In A Lower Chesapeake Bay Tributary, S. Clayton, Jacqueline B. Chrabot, Michael Echevarria, Leah Gibala-Smith, Kathryn Mogatas, Peter Bernhardt, Margaret R. Mulholland
Diel Vertical Migration Rates Of The Dinoflagellate Species Margalefidinium Polykrikoides In A Lower Chesapeake Bay Tributary, S. Clayton, Jacqueline B. Chrabot, Michael Echevarria, Leah Gibala-Smith, Kathryn Mogatas, Peter Bernhardt, Margaret R. Mulholland
OES Faculty Publications
Margalefidinium polykrikoides is a mixotrophic dinoflagellate harmful algal bloom (HAB) species that blooms annually in the lower Chesapeake Bay. M. polykrikoides undertakes a diel vertical migration (DVM) which may give it a competitive advantage over purely phototrophic organisms who cannot access deeper nutrient pools and allow it to form large toxic blooms. Laboratory-based estimates of M. polykrikoides’ DVM rates suggest that it is one of the fastest known dinoflagellate swimmers and understanding this behavior is likely important for modeling and predicting M. polykrikoides blooms. However, to date, no field-derived estimates of M. polykrikoides’ DVM rates have been made in the …
Cultivation Of A Commercially Important Macroalga (Ulva Sp) For Polyculture Research In Coastal Georgia, Kyle Mundy
Cultivation Of A Commercially Important Macroalga (Ulva Sp) For Polyculture Research In Coastal Georgia, Kyle Mundy
College of Graduate Studies: Theses & Dissertations
The Georgia coast has shown great potential for large-scale oyster aquaculture, and the rate at which the sector has grown demands implementation of novel techniques to ensure sustainability and success in the face of climate change. One practice – integrated multi-trophic aquaculture (IMTA) or polyculture – is known to have positive effects on the health and quality of farmed organisms and the surrounding environment through low pH/alkalinity amelioration, while also being a unique and viable way for a farming operation to diversify its products. To date, there has been no such attempt at investigating or demonstrating macroalgae culture in Georgia. …
Scat Dna As A Non-Invasive Method For Estimating The Abundance Of The Vulnerable Mala (Lagorchestes Hirsutus), Shannon Treloar, Cheryl Lohr, Anna J. Hopkins, Kym Ottewell, Shelley Mcarthur, Robert A. Davis
Scat Dna As A Non-Invasive Method For Estimating The Abundance Of The Vulnerable Mala (Lagorchestes Hirsutus), Shannon Treloar, Cheryl Lohr, Anna J. Hopkins, Kym Ottewell, Shelley Mcarthur, Robert A. Davis
Research outputs 2022 to 2026
Context: Population-monitoring programs often use direct (e.g. live capture or spotlighting) or indirect (e.g. scats sightings) observations to estimate population abundance. Such methods, however, are often inadequate for rare, elusive, or cryptic species due to the difficulty in achieving sufficient encounters or detection rates. The mala (Lagorchestes hirsutus), a small native Australian macropod, listed as Vulnerable by the IUCN, is difficult to capture, susceptible to capture myopathy, and not easily sighted in their dense habitat; consequently, the population size cannot always be estimated. The use of molecular markers to identify individual genotypes from non-invasively collected samples is increasingly being used …
Bioactive Components In The Marsupial Pouch And Milk, Manujaya W. Jayamanna Mohottige, Chloe E. Gardner, Mitchell G. Nye-Wood, Katherine A. Farquharson, Angéla Juhász, Katherine Belov, Carolyn J. Hogg, Emma Peel, Michelle L. Colgrave
Bioactive Components In The Marsupial Pouch And Milk, Manujaya W. Jayamanna Mohottige, Chloe E. Gardner, Mitchell G. Nye-Wood, Katherine A. Farquharson, Angéla Juhász, Katherine Belov, Carolyn J. Hogg, Emma Peel, Michelle L. Colgrave
Research outputs 2022 to 2026
Marsupials give birth to immunologically naïve young after a relatively short gestation period compared to eutherians. Consequently, the joey significantly relies on maternal protection, which is the focus of the present review. The milk and the pouch environment are essential contributors to maternal protection for the healthy development of joeys. In this review, we discuss bioactive components found in the marsupial pouch and milk that form cornerstones of maternal protection. These bioactive components include immune cells, immunoglobulins, the s100 family of calcium-binding proteins, lysozymes, whey proteins, antimicrobial peptides and other immune proteins. Furthermore, we investigated the possibility of the presence …
Succineidae (Gastropoda: Pulmonata) In Bhutan, Edmund Gittenberger, Choki Gyeltshen, Tshering Pem, Adriaan Gittenberger, Sherub Sherub
Succineidae (Gastropoda: Pulmonata) In Bhutan, Edmund Gittenberger, Choki Gyeltshen, Tshering Pem, Adriaan Gittenberger, Sherub Sherub
Research outputs 2022 to 2026
Two species of Succineidae, belonging to different subfami lies, are reported from Bhutan. Succinea rutilans, described from the Khasi hills, is one more indication of a biogeo graphical link between Bhutan and the Indian state of Meghalaya. Based primarily on DNA data, Indosuccinea crassinuclea is considered a widespread species, distributed from northern India and Bhutan southwards to even Sri Lanka and The Maldives.
Review On Locusta Migratoria Cinerascens (Fabricius, 1781)., Laib Djamel Eddine, Benzehra Abdelmadjid, Laib Imen, Aouzal Badis, Salah Akkal
Review On Locusta Migratoria Cinerascens (Fabricius, 1781)., Laib Djamel Eddine, Benzehra Abdelmadjid, Laib Imen, Aouzal Badis, Salah Akkal
Journal of Bioresource Management
The migratory locust, scientifically known as Locusta migratoria (Linnaeus, 1758), is a captivating insect species that has drawn the interest of scientists, farmers, and the general public. Recognized for its notorious swarming behavior, this insect has the potential to cause extensive damage to crops, leading to agricultural plagues and food shortages. However, beyond its reputation as a pest, the migratory locust is a subject of scientific fascination due to its intricate life cycle, remarkable ability to undergo rapid and dramatic transformations, and its crucial role within the ecosystems it inhabits. This review delves into various facets of L. migratoria, including …
Moth Species Diversity, Composition And Abundance In Different Land Use Types Of Chebera Churchura National Park And Its Surroundings, Southwestern Ethiopia, Gebreegziabher Hailay, Emana Getu
Moth Species Diversity, Composition And Abundance In Different Land Use Types Of Chebera Churchura National Park And Its Surroundings, Southwestern Ethiopia, Gebreegziabher Hailay, Emana Getu
Journal of Bioresource Management
Land use change and habitat fragmentation affect biodiversity through an increasing level of disturbance and destruction of natural habitats. The present study is the first report on species diversity, species composition, and abundance of moth fauna in and around Chebera Churchura national park. During the survey from January to June 2021, 6206 specimens were collected from 105 species and 11 families from the 3 land use types. Based on the number of species, the family Erbidae is the most abundant with 41 species, and the family Pyraldae was the least abundant with one species. Based on the number of individuals, …
Establishment Of Hand Rearing Protocols With Respect To Feeding, Physiological And Behavioral Aspects In Abandoned Lion Cubs At Safari Zoo Lahore, Muhammad Azhar, Bushra Nisar Khan, Fahd Haseeb, Muhammad Hassan Saleem, Abdul Rehman, Zahid Iqbal Khan, Muhammad Rizwan Khan
Establishment Of Hand Rearing Protocols With Respect To Feeding, Physiological And Behavioral Aspects In Abandoned Lion Cubs At Safari Zoo Lahore, Muhammad Azhar, Bushra Nisar Khan, Fahd Haseeb, Muhammad Hassan Saleem, Abdul Rehman, Zahid Iqbal Khan, Muhammad Rizwan Khan
Journal of Bioresource Management
African lion (Panthera leo) being most attractive but vulnerable exhibit of zoos and safaris; need particular attention to breeding plans. At captive sites, lioness neglects newborns commonly; at that stage, hand rearing is preferred. This study will highlight the best practices for hand-rearing lion cubs, including knowledge of early medical issues along with their treatment during the first 4 months of growth. 34 lions (08Male: 17Females: 9Cubs) were housed on 15 acres during 2019-21 at Safari Zoo Lahore. A total of 04 lionesses were found entirely abandoned to 05 newborns (03 males & 02 females). The hand-rearing period …
Community Structure Of Sea Urchin As An Indicator Of The Ecological Balance Of Coastal Areas, Abdul Wahab Radjab, Intan Rabiyanti, Fiqih Muharby
Community Structure Of Sea Urchin As An Indicator Of The Ecological Balance Of Coastal Areas, Abdul Wahab Radjab, Intan Rabiyanti, Fiqih Muharby
Journal of Environmental Science and Sustainable Development
Sea urchins, soft-shelled invertebrates (Echinoderms), crucially contribute to cleaning the ocean bottom. However, sea urchins in tropical waters like Indonesia have not yet been fully disclosed. This study was conducted at Hutumuri and Rutong waters, Ambon City. This study assessed physical-chemical parameters, sea urchin species composition, classification, and community structure. Employing the Line Transect method with 5x5 m quadrants and 50m transect spacing, data analysis included density, relative density, frequency of presence, diversity, uniformity, and dominance indices. Results indicated normal temperature and salinity at both stations, supporting sea urchin life, with rocky and sandy substrates deemed suitable. A total of …
Economic Valuation Model Of Vanname Shrimp Culture And Mangrove Rehabilitation, Elrin Meivian Mongi Mongi, Mahawan Karuniasa, Mufti Petala Patria
Economic Valuation Model Of Vanname Shrimp Culture And Mangrove Rehabilitation, Elrin Meivian Mongi Mongi, Mahawan Karuniasa, Mufti Petala Patria
Journal of Environmental Science and Sustainable Development
The current climate change is caused by anthropogenic activities involving energy and industry usage that affect the temperature and climate of the Earth. The Paris Agreement on climate change is a commitment by some countries to act to address climate change by developing sustainably and emitting low levels of carbon dioxide (CO2). Changes in the oceans include temperature increases, acidification, and changes in currents, leading to decreased productivity in fishing and aquaculture. Integrated mangrove shrimp farming, known as silvofisheries, has been recognized as environmentally friendly cultivation. The implementation of silvofishery is a form of mangrove ecosystem management that integrates ecology …
The Role Of Cooperatives And Farmer-Industry Linkages In The Evolution Of Tanga’S Dairy Innovation System, Hezron Makundi, Heric Thomas
The Role Of Cooperatives And Farmer-Industry Linkages In The Evolution Of Tanga’S Dairy Innovation System, Hezron Makundi, Heric Thomas
Journal of Humanities and Social Sciences
This study investigated the development of Tanga’s dairy innovation system and its role in promoting and maintaining relationships between farmers, the industry, and cooperative unions; employing a case study approach. The main objective was to assess the role of cooperatives in forging farmer-industry linkages and in improving dairy industry innovations. 100 dairy producers in Tanga participated in the survey that led to the paper. A questionnaire was used to collect data from randomly selected farmers. Furthermore, 20 key informant interviews were conducted with various participants, including the Tanga Dairy Cooperative Union livestock extension service providers. Also, one Focus Group Discussion …
Fungicide Data, Amber Johnson
Fungicide Data, Amber Johnson
ScholarsArchive Data
This dataset contains emergence, biomass, and fungal biomass data collected during a laboratory study examining the effects of soil fungal level and seed coating treatment on the growth of bluebunch wheatgrass (Pseudoroegneria spicata). Pathogenesis from soil and seed-borne fungus can limit success when restoring native species. Fungicides can combat fungal pathogens, but in some studies, fungicides treatments are ineffective at improving seedling emergence over untreated, control seed. These studies suggest low fungal presence due to dry conditions may be the cause of the ineffectiveness of fungicide treatments for some years and sites. This study tested if fungicide treatment …
Utilizing An Extract From Endophytic Fungus, Alternaria Alternata, Isolated From Ricinus Communis L. Leaves As A Biological Agent For Controlling The Migratory Locust In Algeria, Laib Djamel Eddine, Benzehra Abdelmadjid, Laib Imen, Aouzal Badis, Akkal Salah
Utilizing An Extract From Endophytic Fungus, Alternaria Alternata, Isolated From Ricinus Communis L. Leaves As A Biological Agent For Controlling The Migratory Locust In Algeria, Laib Djamel Eddine, Benzehra Abdelmadjid, Laib Imen, Aouzal Badis, Akkal Salah
Journal of Bioresource Management
In this research, we aimed to explore the insecticidal potential of Alternaria alternata, an endophytic fungus derived from the leaves of castor oil plant. To test its insecticidal efficacy, various doses of A. alternata mycoextract were administered to Locusta migratoria L. through both topical and oral pathways. The findings revealed that the insects displayed the highest susceptibility to a concentration of 2 g/L, leading to an impressive mortality rate of 87.5 % and 93.75 % for topical and oral administrations, in the same order. The extract displayed remarkable insecticidal properties, demonstrating LC50 values of 1.09 g/L for the topical …
Anti-Apostatic Feeding Behavior In Two Species Of Assassin Bug, The White-Spotted Assassin Bug Platymeris Biguttatus And Red-Spotted Assassin Bug Platymeris Rhadamanthus (Hemiptera: Reduviidae), Julia H. Potocnjak, Christopher Vitek
Anti-Apostatic Feeding Behavior In Two Species Of Assassin Bug, The White-Spotted Assassin Bug Platymeris Biguttatus And Red-Spotted Assassin Bug Platymeris Rhadamanthus (Hemiptera: Reduviidae), Julia H. Potocnjak, Christopher Vitek
School of Integrative Biological & Chemical Sciences Faculty Publications
Predator-prey relationships are a driving force when examining community ecology. One question in predator-prey interactions is how a predator may respond to novel prey phenotypes, a form of frequency dependent prey selection. A predator may selectively target or avoid the novel prey, a behavior referred to as anti-apostatic or apostatic selection respectively. We examined apostatic prey selection by observing feeding behavior in two species of assassin bugs (Hemiptera: Reduviidae), the white-spotted assassin bug (Platymeris biguttatus) and the red-spotted assassin bug (Platymeris rhadamanthus) which were fed unmodified and modified (novel) phenotypes of Turkistan cockroaches, Blatta lateralis (Blattodea: …
Oregon State Rank Assessment For Pit Roach (Hesperoleucus Mitrulus), Misty Nelson
Oregon State Rank Assessment For Pit Roach (Hesperoleucus Mitrulus), Misty Nelson
Institute for Natural Resources Publications
Oregon state conservation status assessment for pit roach (Hesperoleucus mitrulus) using NatureServe methodology, 2023.
Comprehensive Assessment Of Economic, Productive, Phenotypic, And Morphometric Traits In Azikheli Buffalo Breed Of Northern Pakistan, Nadar Khan, Bakhtawara Bibi, Tariq Ahmad, Salman Khan, Aamir Khan, Muhammad Ibrahim
Comprehensive Assessment Of Economic, Productive, Phenotypic, And Morphometric Traits In Azikheli Buffalo Breed Of Northern Pakistan, Nadar Khan, Bakhtawara Bibi, Tariq Ahmad, Salman Khan, Aamir Khan, Muhammad Ibrahim
Journal of Bioresource Management
The study was conducted to illuminate the phenotypic, morphometric, and productive characteristics of the Azikheli buffalo breed. One thousand two hundred pure Azikheli buffaloes (male: female) were randomly selected from the main hub of the Azikheli buffalo breed in Swat (Azikhel). The data were analyzed for comparison and frequency distribution. Phenotypic characteristic of the female buffalo shows that more than 73 % of the body color was golden yellowish. In contrast, in males, this value was 83 %, followed by white-albino and grayish colors. The shape of horns were semi sickle and grayish in color. Morphometric parameters of the breed …