Articles tagged with Veterinary Medicine
A study found that scent marking increases males' mating and reproductive success, as females prefer to mate with males who deposit more conspicuous scent marks. However, surprisingly, female mice tend to socialize with lower-marking males, suggesting a complex relationship between scent marking and social behavior.
Researchers found that fatter dormice increase metabolic rate more frequently and spend more time at normal body temperature during hibernation, minimizing negative effects. This strategy enables dormice to maximize total hibernation time while maximizing survival chances.
A study published in the journal Physiology & Behavior found that cats from multi-cat households do not exhibit higher stress levels than those from single-cat households. The researchers discovered that a cat's personality, as classified by its owner, plays a significant role in determining its stress response to stroking.
A University of Illinois study found that 34% of abused women delayed leaving their homes because they were concerned about their pets. The study recommends that shelters provide resources and support for pet owners, including counseling and temporary pet care.
Researchers developed a portable ventilation pump for large animals, improving the safety of veterinarians treating patients in the field. The device is easy to use and inexpensive, allowing veterinarians to provide emergency first aid without relying on conventional equipment.
Researchers discovered that Baka pygmies have a low incidence of Helicobacter pylori infection, contradicting the assumption of an ancient bacterial population. The bacteria instead appear to be recent re-infections from neighboring populations.
A study found that socially dominant red deer individuals have faster heart rates and higher body temperatures during winter, leading to greater body mass loss when food is scarce. In contrast, subordinate individuals are better adapted to survive harsh conditions by reducing their metabolism and conserving energy.
Research by Susanne Waiblinger found that introducing young dairy goats into the adult herd after parturition reduces social stress. Lactating mothers and their kids appear to be a calming influence on other goats, with reduced aggressive behavior.
Research reveals how ancient crocodiles evolved and survived alongside dinosaurs, with notable variations in jaw shapes and biomechanics. The study, published in Proceedings of the Royal Society B, provides new insights into the evolution and adaptation of ancient crocodiles during the Mesozoic Era.
A study found that female mice mate with multiple males when they produce similar levels of scent markings, indicating a preference for reducing the danger of infanticide. Litters sired by multiple males were larger than single-sired litters under intense competition among males.
A study by Karoline Kollmann and colleagues reveals CDK6's role in regulating tumour growth while also promoting blood vessel formation. The researchers found that a mutant form of CDK6 retains its ability to regulate expression despite losing kinase function.
A new study published in The Veterinary Journal found that high-quality microchip scanners can accurately read horse transponders, contradicting the claim that identification failure rates are too high. Researchers tested over 400 horses and found that even low-end scanners performed better than traditional branding methods.
Researchers at the University of Veterinary Medicine, Vienna discovered that 17 single-nucleotide polymorphisms are associated with female abdominal pigmentation in Drosophila melanogaster. These SNPs were found to lie in or near genes involved in pigment synthesis, suggesting a complex regulation mechanism controlling pigmentation var...
The three-spined stickleback exhibits preference for joining shoals of relatives over unfamiliar individuals. Despite exposure to familiar and unfamiliar kin, the fish showed no preference for selecting group members based on familiarity.
Researchers have discovered a new approach to control parasitic nematodes by targeting key developmental processes. The study, published in PLOS ONE, identified 22 proteins involved in the transition from third-stage to fourth-stage larvae, offering potential targets for new treatments.
The camel genome has been fully sequenced for the first time, providing insights into breeding strategies and adaptations to harsh desert environments. The research reveals a close genetic relationship between the Bactrian and dromedary camels, highlighting their unique characteristics.
In a study on reed warblers, scientists found that males aggressively defend against potential infidelity but turn out to be caring fathers. The results suggest that females' perceived male weakness may reduce their investment in joint offspring.
A new study finds that sea level rise will lead to significant habitat loss and threaten the survival of endemic species in Southeast Asian and Pacific islands. The researchers predict that even a one-meter sea level rise could result in the loss of up to 14.7% of all islands in the region.
Scientists have identified six basic lines of genetic variation on the horse Y chromosome, revealing a complex history of breeding practices and movement of stallions. The study sheds light on the development of modern sport horses and highlights the influence of ancient stallions like 'Eclipse'.
A recent study found that thermography of horses' legs is highly reproducible and less sensitive to camera position changes. However, gentle drafts can significantly affect temperature readings, rendering diagnoses unreliable. To achieve accurate results, veterinarians should perform thermography in draft-free surroundings.
In a study of cichlids, researchers found that parents adopt fry from other families to protect against predators, while also delivering their own young for adoption. This strategy ensures the survival of at least some offspring in a species highly predated.
Researchers studied stress in equestrian events and found horses remain unaffected by audience presence, unlike their riders. Riders exhibited increased stress levels when performing for spectators, indicating a significant difference in emotional response between horse and rider.
A workshop with 15 European colleagues identified 50 most important questions for conserving biodiversity in the Alps. These questions focus on nature, management, and people, highlighting the importance of transdisciplinary work in addressing environmental problems.
A study by Jana Beckelmann found that female horse embryos produce more insulin-like growth factor-1 (IGF1) than male embryos, which may help explain the uneven sex ratio of equine births. This discovery sheds light on a previously unknown mechanism driving sexual dimorphism in horses.
A whole-genome sequence of the fruit fly Drosophila mauritiana has been completed, revealing high genetic diversity across its chromosomes. The researchers identified two large regions with conserved sequences and propose that these may be the result of intragenomic conflict, potentially acting as 'speciation genes'.
Researchers found that male toads storing sperm during the breeding season produced sperm with higher motility than those kept under natural conditions without females. Frequent mating also appeared to slow down sperm senescence, a process affecting sperm quality with age.
Researchers studied zebrafish mating behavior and found that males change color during courtship, while females do not, supporting the hypothesis that body coloration plays a role in zebrafish courtship. The study also revealed differences in color properties between wild-derived and domesticated strains of zebrafish.
Swans are found to have more common hip joint problems than previously believed, with CT scans revealing lesions in all five examined birds. The injuries likely occur during landing on hard surfaces, and the study suggests that computerized tomography is a better diagnostic tool for avian patients.
Researchers have identified the underlying mutation responsible for the Selkirk Rex cat breed's curly hair. The dominant SADRE gene is distinct from other breeds and allows for genetic diversity.
Researchers at the University of Veterinary Medicine in Vienna used fruit flies to study adaptation to changing temperatures, finding temporally heterogeneous trajectories of selected alleles. Genetic changes were widespread and rapid, with some genes adapting quickly while others showed little change.
Researchers discovered that inhibiting PDGFRB can prevent growth of this type of tumour, extending survival in mice and a human patient. The study found that imatinib treatment significantly improved the patient's prognosis.
Researchers at Vienna University of Veterinary Medicine discovered UCP2's primary expression in immune cells, with increased levels during T-cell proliferation. This finding may have significant implications for the development of treatments for immune disorders.
A study published in Veterinary Record compares the athletic abilities of humans and animals, finding that greyhounds, cheetahs, pronghorn antelope, and other species outrun and outmuscle top athletes. Human adaptations for endurance are impressive, but animals excel in speed, strength, and power.
A recent study has found that hyperflexion of horses' necks, when done without force or aggression, does not elicit a pronounced stress response. The study monitored hormone levels, heart rate, and body temperature in horses lunged with either hyperflexion or an extended head and neck position.
Researchers have developed a motion sensor system called the 'Lameness Locator' that detects lameness in horses earlier than veterinarians using traditional subjective eye tests. The system places sensors on the horse's head, limb, and tail to monitor movement and diagnose lameness more accurately.
Penn and Cornell researchers have created evidence-based guidelines for veterinary CPR, aiming to standardize treatment of cardiac arrest in pets. The guidelines recommend 100-120 chest compressions per minute, intubated ventilation at a rate of 10 breaths per minute, and administration of vasopressors every 3 minutes.
Male Alpine chamois with heterozygous immune genes survive longer than those with identical copies, particularly in areas affected by scabies. This sex-specific fitness benefit may be due to the enhanced immunity conferred by different immune gene variants.
A former British Veterinary Association president argues that slaughtering animals without prior stunning is 'not acceptable' and should be restricted to those communities that require it for religious beliefs. The practice is linked to animal welfare concerns, with many animals experiencing pain and distress before loss of consciousness.
A recent study published in Nature Communications has identified a key component regulating pulmonary fibrosis, a fatal disease with currently no cure. The researchers found that the CLYD gene serves as a crucial negative regulator, halting disease progression and potentially opening new avenues for treatment.
Recent study finds that inhibiting JAK2 kinase does not benefit leukaemia patients, but blocking STAT5 signaling can prevent cell proliferation. This discovery challenges the approach to targeting JAK2 in CML treatment.
Researchers developed a mathematical model to determine safe distances from residential areas for livestock farms, taking into account factors like odor emissions and wind conditions. The model aims to simplify current guidelines and regulations by providing a single, conservative estimate of separation distances.
Researchers analyzed ankle ligament movements and strains during the jump shot, finding that landing causes additional stress on ligaments. The study suggests improved training techniques can reduce injury risk, benefiting junior players.
Researchers have developed a software package called PoPoolation2 to compare population data, facilitating the study of evolution and adaptation. The tool uses next-generation sequencing methods to determine allele frequencies between populations, providing insights into evolutionary processes.
Researchers found that red deer lower their heart rates in winter regardless of food intake, suggesting an internal programming mechanism. The deer's ability to regulate body temperature is crucial for conserving energy during the cold season.
Foals weaned in the presence of other mares show reduced stress levels and adapt faster to life without their mothers. Weaning methods can significantly impact stress hormone levels in foals, with gradual separation showing less stress than abrupt removal.
A recent study by Christine Aurich's group at the University of Veterinary Medicine, Vienna found that short-term branding stress levels are comparable to microchip implants in foals. However, branding causes more prolonged tissue damage and alterations in body temperature, leading to increased welfare concerns.
A recent study developed a system to continuously monitor blood glucose levels in diabetic dogs, revealing that none were receiving ideal treatment. The system provided valuable insights for improving treatment plans, including adjusting insulin doses and diets.
Andrea Endimiani has been recognized for his groundbreaking research on the impact of drug resistance traits on infections caused by Gram-negative bacteria. He has also made significant contributions to understanding the prevalence of KPC-producing Klebsiella pneumoniae in multiple US cities.
Bleeding calf syndrome affects new-born calves, caused by low blood cell counts and bone marrow depletion. A vaccine against BVDV has been linked to the condition through anti-MHC class I antibodies produced by mothers.
Researchers found that adventurous females prefer mates with similar outgoing personalities, regardless of physical attributes. This study provides evidence that compatible personalities play a crucial role in partner choice in non-human species.
Researchers found that diarrhoea is closely linked to changes in faecal bacteria, with the majority of foals developing the condition due to colonisation by E. coli and other bacteria. This suggests that horse breeders should not limit suckling time or use supplements to prevent diarrhoea.
Researchers have discovered that subtle genetic changes can significantly impact an organism's size and shape. The study, led by David Stern at Princeton University, found that five specific genetic changes contribute to the evolution of distinct morphologies in fruit flies. These findings provide insight into how individual mutations ...
A new variant of meticillin-resistant Staphylococcus aureus (MRSA) has been detected in cow's milk, which is genetically different from existing MRSA strains. The variant can evade some existing detection methods, leading to incorrect prescriptions and potentially putting people at risk.
The Asiatic wild ass is critically endangered due to habitat destruction and hunting. The species' range is limited to areas with low biomass production, forcing it into unproductive habitats. Conservation efforts could benefit not only the wild ass but also other rare mammals by opening up migration corridors.
Researchers studied fruit flies adapting from sub-Saharan Africa to Europe and found that a gene called crm regulates temperature-dependent traits. The study reveals that changes in this gene may have enabled the flies to survive in colder climates.
A recent European study found that dormice in certain habitats live longer due to fewer predators and successful avoidance methods. The animals' ability to accumulate fat reserves helps them survive harsh winters.
Researchers found that plant buffers can slow down the runoff of veterinary antibiotics in surface water, reducing transport by 58-72% for herbicides and 70% for antibiotics. The use of certain species like hybrid poplar can further enhance degradation of deposited antibiotics.
A new motion sensor system developed by MU researchers uses sensors on a horse's head, limbs, and tail to detect lameness. This system improves early detection and treatment outcomes for horses with lameness by removing human bias and increasing frequency of motion sampling.
Recent research by Farlow and colleagues reveals a fundamental change in understanding the evolution of DNA, suggesting that DNA repair mechanisms may drive intron variation. The study proposes an alternative explanation for the observed range of intron numbers across species, providing a new perspective on the role of junk DNA.
Recent research reveals significant genetic differences between Asiatic and African cheetah populations, highlighting the need for targeted conservation efforts. The few remaining Asiatic cheetahs in Iran require urgent attention to prevent extinction.