Articles tagged with Livestock
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A study found that face mask use significantly reduces the likelihood of finding drug-resistant Staphylococcus aureus bacteria in hog farm workers' nasal swabs. Household members of consistent face mask users also showed a significant reduction in bacterial colonization.
A new study proposes a three-step strategy to replace animal proteins with plant-sourced proteins to meet climate targets. The approach aims to reduce greenhouse gas emissions and mitigate the risk of overshooting temperature goals.
A new review paper suggests diversifying working lands, including farmland, rangeland and forests, to preserve biodiversity. This approach can extend habitats for wildlife and create more sustainable, productive farming landscapes.
Researchers at MU have successfully produced a litter of pigs genetically resistant to a deadly porcine virus by means of gene editing. The pigs lack the enzyme ANPEP, which is necessary for an infection, and were not infected when exposed to the TGEV virus.
The PPR virus poses a significant threat to conservation efforts, with mass mortality events in critically endangered species like the Mongolian saiga. This highlights the urgent need for explicit inclusion of wildlife protection in the global eradication campaign.
A new study published in PLOS Biology reveals certain nonlethal methods are effective for managing predators in agricultural landscapes. Livestock guardian dogs, livestock enclosures, and fladry were scientifically shown to be effective conflict deterrents.
A new study reveals that while nutrients exceed average requirements, inefficiencies in the supply chain lead to nutrient losses, leaving many people deficient. The research highlights the need for a holistic approach to addressing malnutrition and food security.
Researchers found evidence of captive jaguar and puma in ancient Mesoamerica, used in rituals and trade networks across the region. Stable isotope analysis suggests some animals originated from distant regions, confirming earlier research on animal captivity and trade.
Jessica Metcalf, a microbe scientist at Colorado State University, has been awarded an early-career grant to study the impact of lifestyle changes and antibiotics on the human gut microbiome. Her research aims to understand how these factors shape the microbiome and its role in human health.
A study by Aarhus University found moderate agreement among farmers, veterinarians, and livestock drivers in evaluating cull cow lameness and fitness for transport. The researchers used video sequences to assess cow fitness, with varying levels of agreement within and between groups.
A recent study by WCS and WWF suggests that the decline of Grevy's zebras may be linked to competitive displacement by livestock, rather than lion predation. The population of Grevy's zebras is stabilizing with recruitment tripling since 2004.
A new study found that goats can differentiate between positive and negative human facial expressions and prefer to interact with the former. The researchers observed that goats spent more time approaching images of happy faces than angry ones, suggesting a preference for positive emotions.
Researchers identified specific water areas and air temperatures that can permanently eliminate mosquito populations and reduce Rift Valley fever transmission. Understanding these ecological controls is crucial for informing policy makers and developing effective disease management strategies.
China's livestock population tripled between 1980 and 2010, driven by demand and wealth, but also facilitated by subsidies and weak regulations. The transition has significant domestic and global impacts, including increased animal feed imports, GHG emissions, and nitrogen losses.
The study found that goat domestication was a complex process with genetic exchange between wild and domesticated goats, selection by early farmers, and a mix of different ancestral strands. The analysis revealed distinct patterns of genetic differentiation across the Fertile Crescent and surrounding regions.
Scientists found that microbial proteins could reduce cropland usage by 6% and nitrogen losses by 8% globally. Replacing up to 19% of animal feed with microbial proteins could lower greenhouse gas emissions by 7% by 2050.
Research suggests that smarter animals are more likely to cause conflicts with humans as they learn to exploit resources and evade deterrents. This includes learning to avoid human-made barriers and accessing restricted areas.
The discovery of ancient tetrapod fossils in South Africa suggests that four-limbed animals evolved in environments beyond tropical regions. The presence of these animals near the poles raises questions about the role of high-latitude environments in their evolutionary transition.
A study published in Biological Conservation identified suitable areas for wolf expansion in Sweden, aiming to increase social acceptance and reduce conflicts. The researchers found that expanding the wolf population to southern Sweden and the reindeer husbandry area could decrease densities in high-conflict areas.
A global biomass census yields 550 Gt C, with land biomass surpassing marine by two orders of magnitude. Human activities have led to significant reductions in wild mammal, fish, and plant biomass.
A study of 40 healthy male participants found that those raised in urban areas without pets exhibited heightened immune activation and inflammation after psychosocial stress. This suggests a potential link between urban upbringing and increased vulnerability to stress-associated physical and mental disorders.
A pilot study in Kenyan counties found a strong link between RVF-associated syndromes and rainfall, with mosquito swarms preceding cases. The enhanced surveillance system provided early warnings for major outbreaks, enabling preventive measures to be taken.
Ancient European horse breeding practices likely contributed to the limited paternally-inherited Y chromosome diversity in modern horses. Selective breeding during the Iron Age may have reduced genetic variation, as humans prioritized reproductive success of selected stallions. The Roman Empire's shift towards male-based selective bree...
A new study by Rothamsted Research reveals that well-designed grazing practices can improve animal growth and wellbeing, linked to soil health and pasture value. The study developed a method to measure individual fields' contribution to animal performance, providing insights into sustainable production.
The CRISPR Journal has published new research on gene editing regulations, introducing potential global implications for food animal production. A bioinformatic pipeline, dubbed CRISPRdisco, has been developed to help researchers identify and characterize CRISPR repeats and genes encoding Cas nucleases.
A collaboration between astrophysicists and ecologists is helping to monitor rare and endangered species using thermal infrared imagery captured by drones. The project aims to track, find, and monitor endangered animals easily and prevent poaching.
A new study reveals that global grazing lands have increased year-to-year precipitation variability, constraining livestock support and food security. Regions with high variability support lower livestock densities and are already marginal for crops.
A 5000-year study of Amboseli National Park in Kenya reveals rapid environmental changes caused by human activities, including the arrival of Massai people and the ivory trade. The findings highlight the need to manage national park boundaries more strictly to keep pace with climate change.
Researchers found that dairy calves are naturally optimistic or pessimistic, just like humans, and that these individual differences can affect their well-being. The study suggests that recognizing and addressing these personality traits can lead to better treatment and living conditions for farm animals.
Researchers recreated prehistoric projectiles and points from ancient sites in Alaska to understand technological choices made by early humans. The study found that composite microblade points were more effective on smaller prey, while stone and bone points had strengths for larger game.
Scientists have isolated a new botulinum neurotoxin, BoNT/En, from a strain of Enterococcus, sparking concern over the potential for multi-drug resistance. The toxin, found in cow feces, was unexpectedly discovered to resemble the toxin that causes botulism, with experts warning of its potentially deadly consequences.
The partnership between Rothamsted Research and Timac Agro UK aims to develop practical solutions for farmers through research, development, and real-life improvements. By investing in research and people, the collaboration seeks to create a flexible industry that provides innovative solutions for agriculture.
A study by University of Queensland researchers reveals that predators and scavengers can regulate diseases, improve agricultural productivity, and dispose of waste. These animals are often considered a threat to humans but may provide valuable services.
A new study from WCS, Duke University, and the Centre for Wildlife Studies in India found that communities near Rajasthan wildlife reserves show a high tolerance for wildlife. Despite experiencing losses, 85% of respondents believed protecting wildlife was important.
A new study found that black-backed jackals have a preference for eating livestock, including sheep and goats, over similarly sized wild prey. This has significant consequences for farmers and the management of predators in South Africa, highlighting the need to protect livestock from these animals.
The report highlights the need for Europe to change its diet to improve consumer health and mitigate climate change. Scientists recommend decreasing animal protein consumption, introducing new incentives for affordable nutrition, and promoting sustainable agriculture practices.
Researchers found that antibiotic-resistant bacteria evolved and spread decades before the widespread use of ampicillin. The study suggests that low doses of penicillin fed to livestock may have triggered this evolution.
A meta-analysis of hundreds of studies found a close relationship between parents' diet and offspring immunity across various animal species. The study suggests that poor nutrition can negatively impact disease resistance and that the effects of a parental diet can be inherited and maintained in offspring even on a normal diet.
The UQ dipstick technology enables fast and accurate diagnosis of human, animal and plant diseases in remote locations. The technology extracts DNA and RNA from living organisms in under 30 seconds without specialized equipment or personnel.
Researchers found high rates of tick-borne disease exposure among Mongolian herders and livestock, particularly in the northern provinces. The study highlights the importance of investigating human-livestock-environment interactions to identify risk factors for disease transmission.
A study models the effects of removing farmed animals from the US agricultural system on food production and greenhouse gas emissions. Removing animals resulted in increased food availability, but also led to nutrient deficiencies and reduced GHG emissions by 28%. The removal of animals had unintended consequences on the food supply
Scientists are developing tools to map areas at risk of zoonotic disease outbreaks using machine learning and big data. The project aims to predict when and where pathogens will make the leap from animals to people, enabling a proactive approach to managing zoonotic diseases.
A new study examines the impact of rotational grazing and rest on greater sage-grouse nests, finding no significant increase in survival rates from rest periods. The research suggests that various grazing management systems can coexist with sage-grouse conservation.
A new study reveals that livestock grazing has damaged one-third of giant panda habitat in the park, with bamboos being a crucial food source. The degradation coincides with a nine-fold increase in livestock numbers over 15 years, driven by factors such as increased consumer demand for meat and unclear government policies.
A study on swine farm volunteers found that levels of MRSA in nasal passages became virtually undetectable after two hours of exposure. Airborne transmission was the primary route of infection, not direct physical contact with animals. The risk of transmission to non-farm dwellers is considered negligible due to this decline.
Researchers analyze and describe a comprehensive strategy for preserving antibiotic effectiveness by reducing antibiotic use in farm animals, aiming to reduce consumption by up to 80 percent globally by 2030. The study suggests that limiting meat intake or imposing user fees on veterinary antibiotics could achieve significant reductions.
Global antimicrobial use in animals is projected to rise by 52% by 2030, threatening antibiotic efficacy. Implementing policies such as user fees and stricter regulation could mitigate this trend.
Chronic wasting disease is a fatal neurodegenerative disease affecting deer and farm animals, with limited effectiveness of past management strategies. New research proposes controlled forest fires as a risk control strategy, aiming to reduce the spread of prions shed by animal waste and carcasses.
Scientists have mapped genes turned on and off in sheep tissues, shedding light on immunity and meat quality. The findings provide a major step towards understanding how genetic information influences physical traits.
A recent study analyzed feral pigs, gray squirrels, and waterfowl from uncontaminated and contaminated habitats to assess environmental contamination. Many waterfowl tissues exceeded safe consumption levels, posing health concerns for both birds and humans.
A recent study by the University of Zurich found that exposure to sialic acid from farm animals can prevent asthma in children. This protective effect is due to an anti-inflammatory response triggered by regulatory T-cells, which dampen incorrect immune responses.
A study documents the African leopard's caloric demands and predatory behaviors, revealing that males spend 26% of their daily calories on territorial patrol, while females expend 8% on parenting. This data provides insight into the cats' behavior, allowing researchers to assess ecosystem impacts and predict human actions
Researchers develop practical wool dye from sorghum husks, offering UV protection and fluorescence, while reducing waste disposal. The dyes showed good colorfastness even after multiple washes and ironing cycles.
The USDA's National Institute of Food and Agriculture is providing $4.2 million to repay veterinary school loans for eligible veterinarians who serve in areas with a shortage of veterinary resources. This assistance aims to retain veterinarians in rural America, where they can provide essential services to farmers and ranchers.
Research suggests that biodiversity is linked to lower infectious disease prevalence in people, contradicting concerns that intact ecosystems pose a danger. However, animal species do not present an equal threat of disease transmission, and some families like rodents transmit disease more commonly than others.
Research found that higher levels of grazing early in the growing season decline sage-grouse population trends, while similar levels of grazing later in the season correspond with increases. Grazing management actions can positively affect sage-grouse populations by increasing food resources and nesting cover.
A study by Michigan State University researchers found that allowing livestock to graze amidst protected wildlife disrupts their survival. Wildlife reacts differently to livestock invasions, requiring diverse policies for each species.
A groundbreaking study has used DNA from taxidermy specimens to understand the genetic diversity of Irish and British goat populations. The research reveals two distinct genetic groupings among feral 'Old Goat' herds, with modern-day dairy goats falling outside these groupings.
Genome editing enables precise genetic changes in livestock, boosting productivity and reducing greenhouse gas emissions. Researchers aim to apply this technology to improve animal welfare and potentially produce single-gender offspring.
A mathematical model determines the best vaccination strategy in the presence of uncertainty surrounding vaccination efficacy and animal vaccination capacity. The study shows significant cost savings can be achieved by accurately identifying our capacity to vaccinate, with £55 million in outbreak costs potentially saved.