Life Sciences Commons^™

Milk Yield Performance Of Local Cows, Handling Practices, Physicochemical Properties, And Milk Production Constraints In Kucha District, Southern Ethiopia, Demissie Jorge, Seifu Birhanu, Yilkal Tadele

The Thai Journal of Veterinary Medicine

The study assessed milk production performance of local cows, milk handling practices, physicochemical properties, and milk production constraints in Kucha District, Southern Ethiopia. A purposive and random sampling technique was employed to select 138 respondents for the interview. For physicochemical property assessment, milk samples were collected from 90 interviewed households. Majorities (76.7%) of the respondents were males, and the average family size was 6.82±0.25. Mean daily milk yield (DMY) of 1.80±0.07, 1.94±0.06, and 1.52±0.09 liters was recorded for local cows, respectively, in early, mid, and late lactation stages. All respondents in the area use hand milking and wash their hands …

Bull Shark (Carcharihinus Leucas) Chondrocranium, Nicholas Burchett, Michelle Bassali, David W. Kerstetter, Roman Devlin

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.

Design Of A Snp Panel For Highly Accurate Paternity Identification In Eşme Sheep, Onur Yilmaz, İbrahi̇m Cemal, Orhan Karaca, Cengi̇z Elmaci, Nezi̇h Ata

Turkish Journal of Veterinary & Animal Sciences

SNP paternity testing panels offer high-resolution capabilities for determining livestock paternity, thereby enhancing the reliability of genetic verification and ensuring pedigree record accuracy. In this study, we aimed to develop a SNP-based paternity test panel utilizing a 50K SNP chip for paternity testing and pedigree verification in the Eşme sheep breed. Additionally, the study sought to validate the paternity test panel. Based on data from 26 rams and 524 lambs of the Eşme sheep breed, the results indicated that the 50K SNP chip used demonstrated a very high genotyping rate, with the majority of its 53,738 SNPs exhibiting significant polymorphism. …

Rare, Threatened And Endangered Zoology Species Of Oregon (2025), Jesse Laney, Eleanor P. Gaines, Lindsey K. Wise, Misty Nelson

Institute for Natural Resources Publications

This publication provides a 2025 update to the rare, threatened, and endangered zoology species of Oregon. Species lists are also provided in Excel format.

The Oregon Biodiversity Information Center (ORBIC) is part of the Institute for Natural Resources (INR) located at Portland State University (PSU). ORBIC maintains extensive databases of Oregon biodiversity, concentrating on rare and endangered plants, animals and ecosystems. Since its creation in 1979 as the Oregon Natural Heritage Program, ORBIC has been part of the Natural Heritage network. ORBIC is a constituent member of NatureServe, a non-profit organization with a mission to provide the scientific basis for …

Development And Validation Of A High-Performance Liquid Chromatography Method For The Simultaneous Determination Of Selected Varroacidal Active Substances In Bee Health Products, Onur Demi̇r

Turkish Journal of Veterinary & Animal Sciences

The presence of substandard and counterfeit veterinary medicinal products represents a significant concern from a One Health perspective, given the potential consequences for human and animal health, as well as the environment. In this study, an isocratic flow liquid chromatography method was developed for the simultaneous determination of thymol, coumaphos, amitraz, tau-fluvalinate, and flumethrin in bee health products used for varroosis control. The chromatographic separation was conducted at a wavelength of 276 nm, utilizing an RP18e column and an acetonitrile:water mobile phase ratio of 75:25 (v/v), with a flow rate of 0.75 mL/min. The validation of the method was conducted …

Evaluating The Impact Of Starch Intake On Fecal Consistency Scores In Equines, Gülşah Kaya Karasu, Hidir Gümüş

Turkish Journal of Veterinary & Animal Sciences

Horses, as monogastric hindgut fermenters, primarily engage in microbial activity in the large intestine. Although starch is not inherently harmful, excessive intake can lead to digestive disturbances and health issues due to insufficient digestion in the small intestine, resulting in overflow into the large intestine. The purpose of the study was to evaluate the use of rapid fecal analysis, including fecal score, pH, and dry matter (DM) analysis, to understand the effects of high starch intake. The study was conducted in May 2023 at a private sport horse farm in İzmir, Türkiye and involved 24 sport horses aged 4 to …

Effect Of Water At Different Ph Levels Adjusted With Organic And Inorganic Acidifiers On The Growth Performance, Blood Biochemistry, Carcass Yield, And Meat Physicochemical Properties Of Broilers, Asad Ali Shah, Shahid Mehmood, Fazal Raziq, Muhammad Tahir Khan, Assad Ullah, Yasir Abbas, Syed Kaleem Ul Hassan, Sohail Ahmad, Smile Manzoor, Kashif Khan

Turkish Journal of Veterinary & Animal Sciences

This study evaluated the effects of varying water pH levels, adjusted with organic (formic acid) and inorganic (sodium hydrogen sulfate) acidifiers, on the growth performance, blood biochemistry, carcass yield, and meat quality of broiler chickens. The objective was to determine how these factors affect broiler health and production efficiency. In a 35-day feeding trial, 420 day-old chicks were randomly assigned to a 2 × 3 factorial design that tested two types of acidifiers (organic versus inorganic) at three pH levels (5.8, 6.8, and 7.8), with six replicates of 10 birds per treatment. Birds were provided with acidified water ad libitum …

Investigation Of The Usability Of The Difference In Body Structure As A Breeding Method In Unselected Sheep Flocks (I-Fattening Performance- Slaughter And Carcass Characteristics), Mehmet Naci̇ Oktay, Bora Özarslan

Turkish Journal of Veterinary & Animal Sciences

This study investigated the development of a meat-type sheep strain by using the differences in body structure in Kangal Akkaraman an indigenous sheep breed of Türkiye. The control group consisted of 15 male lambs born to ewes with dairy-type (DT) body structure and the experimental group consisted of 15 male lambs born to ewes with meat-type (MT) body structure. The sheep in the DT group were selected for their elegant, clear bony lines; long, thin neck; triangular body structure that widens from front to rear; and the leg length longer than the depth of the chest. In selecting sheep for …

Managing Chickens From Chicks To Peak Egg Production, Joseph Okoh, Essence Perry

All Current Publications

Chickens were first domesticated for cultural purposes, but selective breeding has focused on egg production. Choosing the right breeds and good management practices are essential for farmers to maximize egg yield, quality, and safety. This fact sheet covers poultry history, top egg-laying breeds, egg anatomy, nutrition, and practical tips to help farmers improve productivity and run successful egg production ventures.

A Farmer's Guide To Egg Quality, Safety, And Flock Health, Joseph Okoh, Essence Perry

All Current Publications

Eggs are a valuable source of nutrition and income for many backyard and smallholder farmers. To ensure a steady supply of high-quality eggs, it's essential to understand the key factors that influence hens’ health and productivity. From proper nutrition to effective lighting and disease prevention, each decision you make affects your flock’s performance. This guide offers practical advice to help you raise resilient, high-laying hens and build a successful small-scale egg production system, no matter your level of experience.

Re-Survey Of Blastocystis Infection In Free-Living Birds From Urban Xinxiang City, Xuehan Liu, Yingying Cao, Di An, Chengshui Liao, Ruibiao Wang, Bo Wen, Chunling Zhu, Huarun Sun, Longfei Zhang, Baoliang Qin, Yanhui Wang, Jianhe Hu, Yueyu Bai, Ke Ding, Lei Wang

The Thai Journal of Veterinary Medicine

Blastocystis is the most ubiquitous intestinal protozoan parasite found in humans and animals worldwide. Commonly, ST7 and ST6 are the major Blastocystis subtypes reported in birds, and their frequencies fluctuate greatly with various factors. However, little literature is available on the prevalence and subtype characteristics of this parasite in free-living wild birds in the same city. For this purpose, a total of 114 fresh fecal specimens were collected from wild free-living birds in urban districts of Xinxiang city and tested for Blastocystis using PCR of the barcoding region of the small subunit ribosomal RNA (SSU rRNA) gene. The positive isolates …

In Vitro Screening Of Antibacterial Efficacy Of Moringa Oleifera And Thymus Vulgaris Methanolic Extracts Against Different Escherichia Coli Strains And Their In Vivo Effects Against E. Coli-Induced Infection In Broiler Chickens, Majid Ali, Naila Chand, Sarzamin Khan, Rifat Ullah Khan, Babar Maqbool, Shabana Naz, Ala Abudabos, Abdul Hafeez, Ibrahim A. Alhidary

Food and Animal Sciences Faculty Research

This study evaluated the antibacterial efficacy and growth-promoting potential of Moringa oleifera and Thymus vulgaris methanolic extracts in broiler chickens challenged with Escherichia coli O78. In vitro antibacterial screening using agar well diffusion and disc diffusion assays revealed that ciprofloxacin exhibited the strongest inhibitory effect, followed by tetracycline and enrofloxacin, whereas among plant extracts, T. vulgaris was more effective than M. oleifera. The optimal combination (M100T150; 100 mg M. oleifera + 150 mg T. vulgaris) produced the largest inhibition zones against E. coli strains. For the in vivo trial, 540 Ross-308 broiler chicks were distributed into six treatment groups in …

Notes On Reproduction, Seasonality, And Roost Sites For Silver-Haired Bats (Lasionycteris Noctivagans) In Western Nebraska, Joseph W. Paysen, Dawson V. Kosmicki, Keith Geluso

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

Silver-haired Bats (Lasionycteris noctivagans) are a migratory species found throughout the United States, southern Canada, and northern Mexico. Throughout their range, Silver-haired Bats roost in various tree species, generally within decaying features like cavities and exfoliated bark. Herein we report on additional reproductive and seasonal data as well as the first data on trees used as roost sites by Silver-haired Bats in Nebraska. We captured individuals along a small tributary of the North Platte River at Ash Hollow State Historical Park, Garden County, Nebraska, and tracked bats to their roosts. At this location, we documented lactation on 17 …

Attributes Of Artificial Wetlands Colonized By Ambystoma Maculatum On A Virginia Surface Mine, Hunter Hill, Garrett Stiltner, Walter H. Smith

Virginia Journal of Science

Landscapes impacted by surface mineral extraction present a range of artificial wetland habitats potentially useable by pool-breeding amphibians, although little information exists in the literature detailing which attributes influence breeding site selection by wetland amphibian specialists in post-mined landscapes. We compared attributes of artificial wetlands consistently used and unused as oviposition sites by Spotted Salamanders (Ambystoma maculatum) over a six-year period on a 120-ha former surface mine in Wise County, Virginia, USA. Salamanders non-randomly selected wetlands as oviposition sites, with one-third of available wetlands within the study area showing evidence of ovipositioning. Wetlands used as breeding sites were …

Fisheries Research Report No. 354: Recreational Fishing For Abalone In Western Australia In 2024/2025 - Estimates Of Participation, Effort And Catch, Claire B. Smallwood, Karina L. Ryan, Lachlan W. Strain

Fisheries Research Reports

The Western Australian Recreational Abalone Fishery (RAF) operates in shallow coastal waters as a hand collection fishery while wading or diving. Three species of abalone are allowed to be caught. Roe’s abalone (Haliotis roei) are generally collected while wading from the shore in accessible nearshore reef complexes along the West and South Coast Bioregions. Greenlip abalone (H. laevigata) and Brownlip abalone (H. conicopora) are collected while wading (including snorkelling and freediving) and diving (using compressed air) predominantly along the South Coast Bioregion.

Recreational fishing for the three abalone species is licensed and highly regulated, especially in the Western Zone (which …

West Coast Demersal Scalefish Resource Recovery Support Package: 2024-25 Report, Department Of Primary Industries And Regional Development, Western Australia

Fisheries Published Reports

The West Coast Demersal Scalefish Resource (WCDSR) includes over 100 species in inshore (20–250 m deep) and offshore ( > 250 m) demersal habitats of the West Coast Bioregion. These species are caught by charter, commercial and recreational fishers. The WCDSR is in recovery and managed under a 20-year recovery plan (2010–2030). DPIRD tracks recovery progress through scientific stock assessments of indicator species (snapper, WA dhufish, and baldchin groper) every 3 years. The 2021 WCDSR stock assessment showed limited recovery and additional management action was required. In December 2022, the Minister for Fisheries announced commercial and recreational (including charter) sector management …

Mhc Gene Analysis And Immune Variation In Lepidodactylus Lugubris (The Mourning Gecko), Helen T. Vu

2025 Fall Honors Capstones Projects - Archive

The major histocompatibility complex (MHC) plays a central role in vertebrate immune defense by enabling pathogen recognition and initiating adaptive immune responses. While MHC diversity has been extensively studied in sexually reproducing species, comparatively little is known about its evolution in asexual lineages. The parthenogenetic gecko Lepidodactylus lugubris provides a unique opportunity to investigate how clonality and hybrid origins influence immune gene diversity. By leveraging whole-genome data, this study overcomes the limitations of previous transcriptome-based analyses and provides a more comprehensive view of MHC diversity in a clonal vertebrate. As the first step towards understanding MHC evolution in parthenogenetic lizards, …

From Insight To Action: Advancing Extension Programming For Utah Agriculture, Melanie Heaton, Cheyenne Reid, Reganne K. Briggs, Rebekah E. Iverson, Kara Thornton-Kurth, Brooke Holgate

Outcomes and Impact Quarterly

Utah State University Extension programs, including evening events and a hands-on cattle boot camp, address gender disparities in Utah agriculture education. While open to everyone, these initiatives empower women through skill-building, peer support, and expert instruction, leading to increased confidence and knowledge, which ultimately enhances their roles and profitability in livestock production.

Assessing The Effectiveness Of Bridge Grate And Pipe Cattle Guard Designed To Mitigate Ocelot Road Mortality On Texas State Highway, Rupesh Maharjan, John H. Young Jr., Kevin W. Ryer, Md. Saydur Rahman, Richard J. Kline

School of Earth, Environmental, & Marine Sciences Faculty Publications

The mitigated and fenced section of State Highway 100, extending from Laguna Vista to Los Fresnos, includes five wildlife crossing structures and 16 modified cattle guards (also called wildlife guards) installed to mitigate ocelot road mortality. Bridge grate and pipe wildlife guards were deployed at vehicle entries, and we evaluated their effectiveness in preventing meso-carnivores and ungulates from entering the roadway through the fence gaps from April 2020 to 2024. Wildlife guards collectively were >82% effective in repelling ungulate attempts to enter the roadway, while only 16.64% of meso-carnivore attempts were repelled. The pipe wildlife guard (PWG) design repelled 86.79% …

Growing South Dakota (Fall 2025), College Of Agriculture, Food And Environmental Sciences

Growing South Dakota (Publication of the College of Agriculture, Food and Environmental Sciences)

[Page] 2 Mesonet at SDState: A benefit to every South Dakotan
[Page] 6 Governor’s Ag Ambassador — Glenn Muller
[Page] 8 Precision agriculture cooperative agreement signed with University of Debrecen
[Page] 10 Students experience international agriculture, culture in Vietnam, New Zealand
[Page] 12 Legen-dairy! SDSU students claim national judging awards
[Page] 13 SDSU Rodeo Team continues storied rodeo tradition at nationals
[Page] 14 SDSU wheat breeders helping feed the world
[Page] 20 SDSU drone holds promise for soil, leaf sampling
[Page] 22 Don't be a fish out of water
[Page] 24 A passion for academic advising
[Page] 25 One takeaway …

Bone Mineral Density Of Willow Ptarmigan (Lagopus Lagopus) As A Potential Taphonomic Factor In Skeletal Part Attrition, Frank J. Dirrigl Jr., Samuel R. Buchanan

School of Integrative Biological & Chemical Sciences Faculty Publications

Agents of taphonomy can bias skeletal parts and the frequency of bones in archaeological sites. An important factor to consider is the possible effect of bone density-mediated attrition on archaeornithological assemblages. We scanned willow ptarmigan (Lagopus lagopus) specimens using a Lunar iDXA and an enCcore small animal body add-on to develop a rank-order scheme based on the volumetric bone mineral density (vBMD) of skeletal parts. Our results identified the tibiotarsus and femur to be the least dense bones, while carpometacarpus, 3rd digit, and coracoid were the densest. This novel scheme allowed us to evaluate a sample of 22 …

Cattle Funding Scheme 2023-24 Annual Report, Department Of Primary Industries And Regional Development, Western Australia

Biosecurity published reports

I am pleased to present the 2023-24 annual report for the Cattle Industry Funding Scheme (Cattle IFS) to our participants, key stakeholders in the Western Australian (WA) cattle industry, and the Minister for Agriculture and Food. This financial year has brought its share of challenges to the WA cattle industry including domestic and global markets, dry weather conditions and high biosecurity concerns. With Foot-and-mouth disease (FMD) and Lumpy Skin Disease (LSD) detected in Indonesia, biosecurity threats remain ever-present. As a result, maintaining the health of our herd in WA continues to be our top priority. The Cattle IFS continues to …

Smart Search Results For Growth And Economic Performance Comparison Of Twenty-Year-Old ... Refine Results For Arkansas Net Energy: A Productive Energy System Sensitive To Broiler Performance And Body Composition Arkansas Net Energy: A Productive Energy System Sensitive To Broiler Performance And Body Composition 21 Of 94 Arkansas Net Energy: A Productive Energy System Sensitive To Broiler Performance And Body Composition, Diego A. Martinez, Nawin Suesuttajit, Cole Umberson, Craig N. Coon

Poultry Science Faculty Publications and Presentations

This study determined the sensitivity of productive energy (PE; Arkansas Net Energy) to performance and body composition and developed predictive models based on PE. Chicks (2,148 day-old ones) were placed in 96 pens and assigned to one of 12 dietary treatments, including varying concentrations of total digestible amino acids (TDAA), digestible CP (dCP), digestible fat (dFat), digestible starch, and non-starch polysaccharides (NSP). Eight replications per treatment, one per block, were used, being the block consecutive groups of birds weekly starting the seven-day experimental period. In each block, birds were control fed to meet similar ME intake, placed in calorimetry chambers …

Productive Energy, As Determined By Arkansas Net Energy, Predicts Broiler Processing Weights, Carcass Market Value, And Gross Profit, Diego A. Martinez, Nawin Suesuttajit, Cole Umberson, Craig N. Coon

Poultry Science Faculty Publications and Presentations

This study assessed the sensitivity of Productive Energy (PE) to breast meat production, feed efficiency, and broiler economics, developed models for processing traits and economics, and examined economics dynamics. The experimental design involved 96 pens, 12 per block and eight blocks, with each pen within block receiving one of 12 dietary treatments for one week. Treatment diets, varying in amino acid concentrations, starch, and energy densities, were control-fed. The weights of processing body parts and net energy for gain (NEg) were determined with Dual-Energy X-Ray Absorptiometry, and fed heat production, fasting heat production (FHP), and net energy for maintenance (NEm) …

Effects Of Heat Stress And Depressed Feed Intake On The Cecal And Ileal Microbiota Of Broiler Chickens, Philip M. Campos, Elizabeth S. Greene, Monika Proszkowiec-Weglarz, Sami Dridi

Poultry Science Faculty Publications and Presentations

Chronic heat stress (HS) is known to depress feed intake (FI) and growth in broiler chickens, and may alter the gut microbiota and health, however, the amplitude and duration of each (HS and depressed FI) effect on gut microbiota is still unclear. This study aimed to determine the effects of chronic and acute HS on the cecal and ileal microbiota profiles. Broilers were subjected to thermoneutral (TN, 23 degrees C) or chronic cyclic HS (CHS, 8 h/d, 35 degrees C) condition from d29-42, and one group to acute HS (AHS, 2 h, 35 degrees C) at d42. To distinguish between …

Effects Of Caprylic Acid On The Cecal Colonization Of Multidrug-Resistant Salmonella Heidelberg And The Cecal Microbiome In Broiler Chickens, Shijinaraj Manjankattil, Dhananjai Muringattu Prabhakaran, Anup Kollanoon Johny, Claire Peichel, Divek V.T. Nair, Grace Dewi, Jason Langlie, Trevor J. Gould, A. M. Donoghue

Poultry Science Faculty Publications and Presentations

This study determined the efficacy of in-feed supplementation of a medium-chain fatty acid, caprylic acid (CA), on the cecal colonization of multidrug-resistant (MDR) Salmonella Heidelberg (SH) and its effect on the cecal microbiome of commercial broilers. A total of 24, 4-week-old commercial Ross 708 chickens were randomly allocated to two replicates of four treatment groups in eight BSL2 isolators (3 birds/isolator): Negative control (NC), Positive Control (PC), Antibiotic group (AB), and caprylic acid (CA) groups. The birds received a Salmonella-free standard corn-soy-based diet, with the broilers in the AB receiving 50 g/ton bacitracin methylene disalicylate, and the CA group receiving …

Efficiency And Clinical Outcomes Of Platelet-Rich Plasma Therapy On Canine Coxofemoral Osteoarthritis, Patama Arunrattanakul, Kumpanart Soontornvipart

The Thai Journal of Veterinary Medicine

The purpose of this study was to find out the optimal technique to prepare plasma with the highest platelet concentration in platelet rich plasma (PRP), as well as determine the result of autologous PRP from the dogs with osteoarthritis (OA) condition. It was shown that the PRP could reduce inflammation, cell regeneration and enhance angiogenesis to support the injured tissue. This study was composed of two phases; the first phase aimed to find the best centrifugation speed and time that could be able to produce the plasma with the highest platelet concentration by conducting the experiment from a total of …

A Review On The Ethnozoological Remedies With The Help Of Animal Body Parts And Its Impact On Their Conservation Status, Minahal Fatima, Bushra Nisar Khan, Mudasser Hasan, Amina Tufail, Farhat Batool, Majida Maqbool, Fakhra Nazir

Journal of Bioresource Management

The use of wildlife in biomedical science has had a long history as it has been used as experimental animals, Sources of unusual physiology, and of bioactive compounds on which life-saving medicines are based. Amphibians are a Source of antimicrobial peptides, analgesic alkaloids, and regeneration. Immune adaptations and venoms of reptiles have produced cardiovascular medications, anti-clotting solutions and diabetes treatment. Birds serve as models of zoonotic diseases and provide immunological tools e.g. IgY antibodies and support embryology and neurobiology. Advanced studies on human disease, vaccines, cancer resistance and hypoxia tolerance have been facilitated by mammals such as rodents, primates, bats, …

Review On Exploring The Potential Of Black Soldier Fly (Hermetia Illucens) As A Novel Feed Ingredient For Poultry, Muhammad Naeem Jan, Nasir Rajput, Muhammad Naeem, Sher Ali, Ghulam Shabir Barham, Tehseen Fatima Miano

Journal of Bioresource Management

Poultry provides both direct and indirect employment opportunities to individuals. Every farm owner desires a reduced investment with more earnings. Over 50 % of the overall cost of chicken rearing is allocated to feed stuff. Among all feed ingredients, protein sources are the most expensive, yet protein is essential for production and growth. This exorbitant price cannot be sustained by the small-scale farmers. Consequently, contemporary scientists are attempting to substitute the protein supply with black soldier fly in their formulations. This review study examines the advantageous effect of utilizing Black Soldier Fly powder, larvae or oil, as demonstrated in scientific …

Diversity Of Butterflies (Lepidoptera) In Kanju, District Swat, Khyber Pakhtunkhwa, Pakistan, Said Miraj Ud Din, Khushbakht Asad, Hamid Ur Rahman, Attiya Iqbal

Journal of Bioresource Management

Butterflies are one of the most beautiful creatures on earth. They belong to the phylum Arthropoda, class Insecta, and order Lepidoptera. Butterflies play an important role in the ecosystem, contributing significantly to pollen transfer. They play an important role in pollination, and their foraging behavior enhances the genetic diversity. Additionally, they also play an important role in the food chain and serve as prey for birds, reptiles, and other insectivore organisms. The current study was conducted to find out the diversity and distribution of butterflies in Kanju district Swat, Khyber Pakhtunkhwa, Pakistan. A total 203 specimens were collected from August …