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Articles 1 - 10 of 10
Full-Text Articles in Animal Sciences
Isolation Of Drug-Sensitive Eimeria Species From Wild Turkey Feces And Development Of A Model Bioshuttle Program For Eimeria Meleagrimitis For Domestic Turkeys, Maria Carolina Trujillo Peralta
Isolation Of Drug-Sensitive Eimeria Species From Wild Turkey Feces And Development Of A Model Bioshuttle Program For Eimeria Meleagrimitis For Domestic Turkeys, Maria Carolina Trujillo Peralta
Graduate Theses and Dissertations
The objective of this thesis was to determine the anticoccidial profile of Eimeria spp. derived from wild turkeys. These drug-sensitive Eimeria spp. have potential to be used as vaccine candidates to control coccidiosis in commercial turkeys. Chapter two consists of a brief literature review focused on coccidiosis in turkeys. Chapter three addresses the methodologies utilized to isolate, recover, and speciate Eimeria recovered from wild turkey feces in the eastern two-thirds of the United States. From this, we successfully obtained single oocyst-derived stocks for E. meleagrimitis, E. dispersa, E. meleagridis, E. gallopavonis, and E. adenoeides. Chapter four describes the experiment conducted …
Decoding The Gut Microbiome; Providing Solutions For Poultry Production, Nichoals Evans, Peter Karnezos, Curtis Novak, Diana Ayala, Emily Kimminau, Kay Russo
Decoding The Gut Microbiome; Providing Solutions For Poultry Production, Nichoals Evans, Peter Karnezos, Curtis Novak, Diana Ayala, Emily Kimminau, Kay Russo
Proceedings of the Arkansas Nutrition Conference
The term “microbiome” refers to all the micro-organisms within a particular environment. In poultry, the microbiome is influenced by the barn, diet, and age of the birds and is believed to modulate immunity and inflammation. In the past, culture methods were primarily used to evaluate the presence of the various micro-organisms present in the microbiome; however, recent technological advances in genomic sequencing have revolutionized sample analysis. This technology has opened new avenues of research in poultry production and our understanding of the associated health challenges. Turkey cellulitis has been a major economic and health concern for many years. Traditional bacterial …
Biogeography Of The Bovine Respiratory Microbiome And Its Relationship With Bovine Respiratory Disease, Jianmin Chai
Biogeography Of The Bovine Respiratory Microbiome And Its Relationship With Bovine Respiratory Disease, Jianmin Chai
Graduate Theses and Dissertations
Bovine respiratory disease (BRD) is the most common and costly disease in the beef cattle industry, leading to high morbidity, mortality and huge economic loss. Despite the recent advances in vaccination and antimicrobial techniques, no significant health-improved outcomes have developed. Due to a deep investigation of the microbiome, respiratory microbiotas are known to have important roles for host health and disease. However, BRD specific pathogens have not yet been identified since they are found in both healthy and diseased animals. A systemic and comprehensive study of the biogeography of the bovine respiratory microbiome and its relationship with BRD is lacking …
Metatranscriptomics Analysis Of Ileum Microbial Communities In Necrotic Enteritis Chickens, Ruchita Uttarwar
Metatranscriptomics Analysis Of Ileum Microbial Communities In Necrotic Enteritis Chickens, Ruchita Uttarwar
Graduate Theses and Dissertations
Necrotic enteritis (NE) is a recognized multifactorial disease that causes an annual loss of $6 billion to the poultry industry. Thus, it has become essential to carry a comprehensive study of the composition of chicken gut which hosts this disease. The objective of this research is to measure the changes occurring in microbiome inside intestinal ilium of NE affected broilers which were treated with tributyrin supplement. This supplement is an anti-inflammatory metabolite that stabilizes intestinal integrity. The experimental design consisted of two challenge groups (No -Challenge, Clostridium Perfringens (CP) - Challenge) and one treatment group (tributyrin). To our knowledge, this …
The Effects Of Storage Temperature On The Bovine Nasal Microbiome, Hunter Usdrowski
The Effects Of Storage Temperature On The Bovine Nasal Microbiome, Hunter Usdrowski
Animal Science Undergraduate Honors Theses
Bovine respiratory disease (BRD) is one of the largest economic burdens facing United States beef producer’s modern day. The complexity in the onset and development of this multifactorial disease necessitates further insights into its functions to alleviate the tremendous consequences it generates for producers. The respiratory microbiome and their metabolomics play an important role to maintain health and predict BRD. However, due to low biomass, new technology is needed to increase the microbial concentration for omics (e.g. metatranscriptomics) research. In this study, a novel self-enrichment storage technique on the bovine nasal microbiome was performed and compared to a traditional nasal …
Effects Of Toxic Fescue Exposure On Vaginal Microbial Communities Of Crossbred Beef Cows, Abby Ratton
Effects Of Toxic Fescue Exposure On Vaginal Microbial Communities Of Crossbred Beef Cows, Abby Ratton
Animal Science Undergraduate Honors Theses
The consumption of toxic fescue by beef cattle results in several adverse physiological effects such as reduced reproductive success, severe vasoconstriction resulting in hoof sloughing, low body condition scores, hyperthermia, decreased prolactin levels, and reduced hair shedding. The purpose of this study is to characterize bacterial community of the reproductive tract as a potential predictor for toxin exposure. One-hundred fall-calving crossbred cows were allocated to graze Toxic (Toxic: n=50) or Novel (Novel: n= 50) fescue pastures for five months (March-August). Treatments were blocked by sire breed (Charolais or Hereford) and by parity (first, second, third). Animals rotated pastures biweekly and …
Investigation Of Bacterial Taxa As Biomarkers Of Fescue Toxicosis And Heat Stress In Grazing Beef Cows, Sarah Katherine Chewning
Investigation Of Bacterial Taxa As Biomarkers Of Fescue Toxicosis And Heat Stress In Grazing Beef Cows, Sarah Katherine Chewning
Graduate Theses and Dissertations
Fescue toxicosis in grazing beef cattle is caused by consumption of Ergot alkaloids associated with tall fescue (toxic fescue) and is responsible for substantial economic loss to the U.S. beef industry. Cattle consuming toxic fescue suffer adverse physiological responses, such as: hyperthermia, increased respiration rate (RR), poor reproduction and growth performance. Other adverse responses to fescue toxins include the retention of a winter hair coat and vasoconstriction in the extremities, which can lead to tissue necrosis. Identifying cattle with reduced susceptibility to fescue toxins would allow for efficient use of fescue pastures; thus, the objectives of this thesis was to: …
Microbiome Of Commercial Broilers Through Evisceration And Immersion Chilling, John A. Handley
Microbiome Of Commercial Broilers Through Evisceration And Immersion Chilling, John A. Handley
Graduate Theses and Dissertations
The United States poultry industry generated 38.6 billion pounds (17,500 metric ton) of meat in 2014 which averaged to 121 pounds (55 kg) per individual of the U.S that same year. Of that meat generated by the poultry industry, an estimated 1 million cases of Salmonellosis will occur. Out of the 1 million cases approximately 40, 000 to 50,000 will be confirmed cases by the CDC. Recently, the USDA has requested changes in the inspection process and are currently allowing processors more freedom to utilize innovation to drive the increase in safer and more desirable foods. The new standards set …
A First Look At The Microbial Community Of Rabidosa Rabida, A Wolf Spider In Searcy, Arkansas, Patricia Rivera, Ryan Stork, Amber Hug
A First Look At The Microbial Community Of Rabidosa Rabida, A Wolf Spider In Searcy, Arkansas, Patricia Rivera, Ryan Stork, Amber Hug
Journal of the Arkansas Academy of Science
Many diverse animal models have been used to explore the interactions between host organisms and their microbiota. Increased understanding of microbe-host interactions could lead to improved healthcare and drug development. Spiders have venom, digestive fluid, and body fluid components that have been suggested to possess antimicrobial properties that could lead to new and interesting host-microbe interactions. While studies have been published on interactions between bacteria affecting the immune function and behavior of spiders, the spider microbiome has not been established to date. Excreta and body swabs were collected from Rabidosa rabida, a wolf spider typically found on tall grass …
Efficacy Of A Novel Intranasal Zinc Solution On The Microbiome, Health, And Growth Performance Of High-Risk, Newly Received Stocker Cattle, Makenzie Foster
Efficacy Of A Novel Intranasal Zinc Solution On The Microbiome, Health, And Growth Performance Of High-Risk, Newly Received Stocker Cattle, Makenzie Foster
Graduate Theses and Dissertations
The objective of this study was to determine if using an intranasal zinc (Zn) solution would impact health and growth performance of high-risk stocker cattle. Male beef calves (n = 239; 3 arrival dates [block]; initial BW = 276 ± 2.4 kg) were stratified by arrival gender and BW and assigned to 1 of 2 treatments: 1) treated with 3 ml of a Zn solution containing 36.24 mg of Zn administered intranasally, or 2) control, in which calves were not treated. Calves were observed daily and if exhibiting signs of morbidity and a rectal temperature ≥ 40° C they were …