Laboratorio de Ecofisiología Aplicada al Manejo y Conservación, Centro Nacional Patagónico, CONICET, 9120 Puerto Madryn, Chubut, Argentina.
Published: August 2016
AI Article Synopsis
Article Abstract
Southern right whales Eubalaena australis from Peninsula Valdés, Argentina, show wounds produced by kelp gulls Larus dominicanus that feed on the whales' dorsal skin and blubber. During the 2013 whale season, several calves were reported showing kelp gull injuries with a swollen area surrounded by rhomboid-shaped raised edges. Samples from 9 calves were taken in order to establish the etiology of these rhomboid-shaped wounds; 2 calves (one living, one dead) showed gull-inflicted injuries with rhomboid-shaped edges. Samples from the dead calf were histologically characterized by the presence of dermal congestion, suppurative dermatitis and panniculitis, necrotizing vasculitis and vascular thrombosis. Erysipelothrix rhusiopathiae was detected by culture and PCR in samples from both calves. In this study we report, for the first time to our knowledge, the isolation of E. rhusiopathiae from wounds produced by gull attacks on southern right whale calves, supplying evidence that these wounds may act as an entry route for pathogens. This work provides new information about the consequences of gull-inflicted injuries for whale health.
Systemic human infections caused by have been increasingly reported especially within immunocompromised hosts and those with significant occupational exposure to livestock and aquatic animals. We report a case of bacteraemia in a patient with systemic lupus erythematosus (SLE) and present a literature review on clinical outcomes and microbiologic diagnosis for this organism. A 43-year-old female patient was reporting a 1-month history of intermittent fevers.
Erysipelas is a significant problem in the waterfowl farming in Poland, and information on the characteristics of the strains causing this disease is limited. In this study, we determined the serotypes, antimicrobial susceptibility, and potential mechanisms of resistance gene transfer in isolates (n = 60) from domestic geese and ducks. We also developed a multiplex PCR for the detection of resistance genes.
Polar bears' life is closely linked to sea ice and their prey in the Arctic, which is changing due to climate warming and leading to more diseases in these bears.
A study of 180 Beaufort Sea polar bears found that 27.2% tested positive for the pathogen Erysipelothrix rhusiopathiae, which is known to infect both domestic and wild animals.
Factors like increased predation on ringed seals and negative winter Arctic Oscillation years were associated with higher exposure to this pathogen, suggesting that changes in the seal population affect polar bears' health.
Harbour seals () are the most common pinniped species in the Wadden Sea of Schleswig-Holstein, Hamburg and Lower Saxony, Germany. Their numbers have recovered after significant depletion due to viral outbreaks and effects of anthropogenic activities like pollution and habitat disturbance. Within the Wadden Sea National Park of Lower Saxony the harbour seal is protected.
Department of Community Nursing, Preventive Medicine and Public Health and History of Science, University of Alicante, Campus de Sant Vicent del Raspeig. Ap. 99, Alicante, E-03080, Spain.
Erysipelas continues to significantly impact the pig industry economically, and preventing it in young pigs relies heavily on maternal immunity, which can be enhanced through strategic vaccination.
A study investigated the effects of two vaccination strategies (pre-farrowing vs. post-farrowing) on antibody levels in sows and their piglets, using two different tests to assess changes in immunity.
Results indicated that pre-farrowing vaccination led to higher antibody levels in both sows and their offspring compared to post-farrowing vaccination, with beneficial effects on piglet immunity lasting into the post-weaning period.
