Articles tagged with Poultry
The study concludes that a more holistic approach to poultry food safety is needed to better protect the public from foodborne pathogens like Salmonella. It highlights the limitations of current guidelines, which only consider pathogen prevalence and do not account for other risk factors such as serotype virulence and temperature abuse.
Researchers found that selective breeding of junglefowl for reduced fear led to changes in brain composition and affected fear memory. The domesticated birds became accustomed to non-hazardous events more rapidly due to smaller brains relative to body size.
A new insect detection system using tiny chicken backpacks with wearable sensors has been developed to detect blood-feeding livestock mites. The technology, nicknamed 'Fitbits for chickens,' can help farmers identify infestations and improve poultry welfare.
A University of Göttingen research team found that black soldier fly larvae meal and spirulina can be included in poultry feed without negatively impacting quality. Microalgae are also a potential alternative to soybean meal, but remain more expensive due to production costs.
A recent study by the American Society of Agronomy found that reusing chicken litter can deter growth of pathogens like Salmonella. Researchers discovered 'good' bacteria in used poultry litter can hinder Salmonella growth, providing new information on the relationship between litter environment and microbiome.
A new study found that chicks' distress calls can predict flock-level behavior, growth rate, and mortality rate, making it a potential 'iceberg indicator' for welfare issues. The researchers developed a simple method to measure these calls, which could act as an early-warning signal to farmers.
Researchers developed a technique to generate human antibodies faster than existing methods using chicken immune system cells. The ADLib system can produce diverse antibodies with improved binding affinity, potentially leading to breakthroughs in cancer treatment and other medical applications.
A study on chicken adaptation reveals that genetic changes play a more prominent role when organisms return to their ancestral homelands. Researchers found that plastic phenotypic changes are sufficient to help animals adapt when reintroduced to familiar environments, but mutation-induced changes are necessary for initial adaptation.
A study found that popular methods for judging chicken doneness, such as checking color and texture, are not reliable indicators of safety. Researchers recommend focusing on the color and texture of the thickest part of the meat and ensuring all surfaces reach sufficient temperatures to guarantee safety.
Researchers found that regulatory mutations in TBX5 and PITX1 genes cause foot feathering in both domesticated breeds of chickens and pigeons. This study demonstrates a remarkable convergence in the evolution of this trait across species, suggesting that favored mutations have been spread through strong phenotypic selection.
Researchers found that genetic variants at Tbx5 and Pitx1 contribute to foot feathering in both chickens and pigeons. A 17,000 base-pair long deletion near Pitx1 removes the same exact region in both species, indicating similar mutations and molecular pathways.
A new system of cameras and vision software is being developed to monitor commercial broilers' activity levels, providing a common assessment tool for farmers, retailers, and consumers seeking to support better animal welfare.
Researchers at UMass Amherst developed a lower-sodium turkey breast that was preferred by consumers in a blind sensory test. The study found that using a blend of sodium salts with a larger molecular structure slowed down the overall sodium diffusion rate, providing enough saltiness without compromising juiciness and texture.
Using ultrasound localization microscopy, researchers can visualize blood vessels and measure oxygen levels in tumors with high resolution. This technique has the potential to improve cancer detection and therapy evaluation by providing accurate information on tumor hypoxia.
A new species of quail-sized fossil bird from 44 million year old sediments in Utah has strong links with other extinct species from Namibia and Uzbekistan. The fossil fills a nearly 15 million-year gap in the galliform lineage in North America, revealing flexibility in the ecology and diet of early paraortygid birds.
Research in China suggests a strong association between avian influenza and the country's live poultry trade network. Movement of virus lineages was often associated with major evolutionary divergences and was much more likely to occur within regional trade communities.
A new study from Northwestern University and Cornell University links red and processed meat consumption to a higher risk of cardiovascular disease and death. The research suggests that reducing red meat intake may be an important strategy to reduce cardiovascular disease and premature death.
A large study of nearly 30,000 adults found that eating processed meat increases the risk of cardiovascular disease and death. The study also found no significant association between unprocessed red meat consumption and risk of cardiovascular disease or death.
Researchers successfully used CRISPR/Cas9 gene editing to delete a specific protein necessary for avian leukosis virus subgroup J infection in chickens. The edited cells were then bred to create resistant chickens, addressing a major concern for the poultry industry.
A study by Ohio State University researchers found that a pig virus is easily transmitted to healthy chickens and turkeys, developing diarrhea in as little as two days. The virus's rapid spread has raised concerns about its potential impact on humans, who are susceptible but may not show symptoms.
Viral mutations can cause influenza viruses to mutate so that they can better latch onto and infect bird cells, making the immune system less effective. Cell-based vaccines offer an alternative using canine kidney cells, which are more similar to humans, increasing their effectiveness.
A new algorithm developed by University of California, Riverside researchers can spot patterns in massive datasets quickly, improving earthquake detection and monitoring insect vectors. The SCAMP algorithm has been used to detect 16 times more earthquakes than previously known and can also analyze the behavior of chickens.
Researchers exposed chicken embryos to pollutants in crumb rubber, leading to mass loss and developmental issues, as well as gene dysregulation. The findings suggest a need to reassess the potential toxicity of crumb rubber used in playgrounds and athletic fields.
University of Delaware researchers identify gene expression irregularities and lipoprotein lipase enzyme as causes of wooden breast syndrome in broiler chickens. This metabolic disorder can make the meat hard and chewy, causing significant economic losses for growers.
The five-year grant, awarded by the USDA, aims to transform nutrition and water use in the poultry industry. Researchers will explore alternative feed proteins, such as microalgae, to improve production efficiency and quality while reducing competition with food sources.
A new study reveals that antibiotic-resistant E. coli superbugs are more likely to be spread through poor toilet hygiene than the food chain, with human-to-human transmission being a primary route of infection. The research found that strains of E. coli resistant to ESBLs dominate in human faeces and bloodstream infections.
A new study reveals a significant increase in antibiotic-resistant pathogens in chickens and pigs worldwide, particularly in developing countries. The researchers identified hotspots of resistance, including China and India, where more than half of the world's pigs and chickens are raised.
A new study has revealed the genetic origins of the White Plymouth Rock chicken, a crucial component in today's meat chickens. The research team used genomics to study breed formation and identified the major contributors to the breed's development.
A CNRS research team found that a sequence of reflexive contractions drives embryonic development, accelerating it by up to 20 times. By artificially recreating this process and applying low-intensity electrical shocks, the scientists triggered hindlimb formation.
A recent study found that increasing consumption of red meat was associated with a higher risk of invasive breast cancer, while consuming poultry was linked to decreased risk. Substituting poultry for red meat may be a simple way to reduce breast cancer incidence.
Researchers found that African chickens have longer, meatier legs due to selective breeding, but are losing diversity as commercial birds are introduced. The study highlights the importance of preserving traditional breeds and their unique characteristics.
Researchers at Martin-Luther-University Halle-Wittenberg have found a way to further increase the vitamin D content of eggs by exposing chickens to UV light. This method works under practical conditions and could represent an important step towards supplying the population with vitamin D.
A new analysis found that US adults consume excessive amounts of processed meat, with only 15% meeting guidelines for fish/shellfish consumption. Consumption trends show a decrease in unprocessed red meat and an increase in poultry, while fish/shellfish intake remains unchanged.
A global data resource has been developed to showcase the genetic diversity of chickens, featuring 174 breeds. The Synbreed Chicken Diversity Panel (SCDP) includes information on SNPs and provides a comprehensive family tree, highlighting the importance of preserving genetic variation for breeding sustainability.
Researchers have identified genes that can help chickens resist Newcastle disease, a major poultry pathogen affecting small flocks in low- to middle-income countries. The study found that certain breeds of chickens have innate resistance to the disease due to evolutionary adaptations.
Researchers analyzed sentinel chickens to detect Eastern equine encephalitis virus, finding its presence year-round in the Florida Panhandle. A new hand-washing product, SuperTowel, shows potential to limit disease spread in humanitarian crises. The global 'pandemic' of fake medicines kills over 250,000 children annually.
Scientists have discovered how bird feathers form in a wave-like motion, creating a regular pattern in the skin. This discovery could help design strategies to reduce feather density in farmed birds, improving their heat tolerance in tropical climates.
Researchers identified specific genes in three Salmonella serotypes that enable the bacteria to survive in poultry and infect humans. The study aims to develop a vaccine by generating mutant forms of these bacteria.
A University of Guelph DNA barcoding study found 14% of Canadian sausage samples contained mislabeled meat species, a decrease from the initial 20% rate. The study's findings suggest that scientific innovation, such as DNA barcoding, plays a crucial role in protecting Canada's food supply.
Researchers have successfully produced high-quality human proteins in eggs from genetically modified hens, offering a promising alternative to expensive mammalian cell culture techniques. The study found that the proteins worked at least as well as those produced using existing methods, with no adverse effects on the chickens.
A large US study found that eating fried foods, especially fried chicken and fish, increases the risk of death from any cause and heart-related death. Regular consumption was associated with a higher risk of 8% compared to non-fried food eaters. Reducing fried food intake may have a positive public health impact.
Modern broiler chickens are a defining feature of the Anthropocene, shaped by human biology and consumption. The rapid evolution of these chickens reflects a biosphere dominated by human activity.
Researchers at the University of California - Davis are working to improve chicken breeds with enhanced resistance to Newcastle disease and heat stress through genomic analysis. The Feed the Future Innovation Lab for Genomics to Improve Poultry aims to protect chickens from deadly diseases in Africa and worldwide.
Researchers have developed a new vaccine strategy that offers partial protection against the highly contagious infectious bronchitis virus. The recombinant virus vaccine approach has potential to be more cost-effective and respond to emerging new virus strains, but further research is needed to develop a more robust vaccine.
Research in Ethiopia found that genetically diverse village chickens are highly adapted to their physical, cultural, and social environments. To increase productivity, development interventions need to consider this diversity and be locally tailored.
Researchers found two new genetic variations of H7N9 and H7N2 subtypes in unvaccinated ducks, indicating the virus has adapted to ducks. The vaccine largely prevented H7N9 infection in chickens, but the virus can still replicate in ducks.
A study found that a specific E. coli strain from retail poultry products is causing urinary tract infections in people, with nearly 80% of meat samples and 72% of patient cultures positive for the bacteria. The research suggests that cooking poultry thoroughly and handling it carefully are crucial to prevent foodborne illnesses.
Dr. Michael O. Smith, a UTIA professor of poultry production, has been elected a Fellow in the Poultry Science Association for his professional distinction and contributions to the field. He is one of five members elected at any given meeting, recognizing his contributions without longevity considerations.
Researchers have successfully replicated ovarian tumors inside chicken eggs, paving the way for patient-centred cancer treatment. The 'chicken egg tumour model' allows for rapid testing of anti-cancer drugs tailored to each patient's needs.
A new cooking training program has been shown to decrease sodium levels in Chinese take-out meals without sacrificing taste. The study found significant reductions in sodium content after 36 months, demonstrating the potential benefits of partnering between public health agencies, academic institutions, and community businesses.
A nearly complete skeleton of a new extinct pheasant species from China preserves the oldest evidence of modified vocalization sounds. The fossil features an extremely long and coiled trachea, similar to those found in birds with louder, lower-frequency songs.
A UMD researcher has discovered mechanisms dictating germline stem cell development and epigenetic markers associated with diseases such as cancers, viral infections, and male infertility. These findings provide insight into treatments for these conditions and unlock future animal and human health research.
Researchers discovered Zika virus infects hot spots in the brains of chicken embryos, affecting key signaling centers and neural patterning. This finding could lead to targeted therapies and drug testing for complications associated with Zika virus in humans.
Researchers found that chickens raised in diverse and stimulating environments retained optimism after being exposed to stress, whereas those in simpler environments lost their optimistic attitude. The study suggests that repeated stress can reduce optimism in animals.
A recent study by Spanish researchers reveals the significant environmental cost of egg production in Spain, including greenhouse gas emissions and water contamination. The analysis shows that feed choice and layer replacement are key factors contributing to these impacts.
Researchers at McGill University have discovered a unique nanostructure in chicken eggshells that contributes to their strength and fragility. The findings, published in Science Advances, could lead to improved food safety by enabling the selection of genetic traits in laying hens that produce consistently stronger eggs.
A recent UC Davis study suggests that local ordinances for backyard poultry are inadequate, with laws not keeping pace with those for commercial growers. The study recommends stronger regulations on vaccinations, manure management, and general animal welfare in urban settings.
A new study found that farmed fish and shrimp convert protein and calories in feed to edible products at rates similar to livestock. Researchers assessed feed composition, feed conversion ratios, and nutritional content to provide a more complete understanding of feed efficiency across species.
Researchers at Penn State are studying methods for raising heritage-breed turkeys, which sell for four times the cost of commercial birds. The birds have distinct characteristics, such as smaller breasts and gamier flavor, and require alternative production methods due to their natural breeding and dietary needs. The study's first phas...
Researchers uncovered the origins of domesticated turkeys in ancient Mexico, finding they were valued for their cultural significance rather than just for meat. The study suggests a thriving turkey trade along Mesoamerica's expanding trade routes.