Publications by authors named "N Arrigoni"

is diffused worldwide, and subsp. is spread worldwide with many serovars associated with the infection of domestic bovines. The most spread are .

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Background: The prolificacy of sows (litter size at birth) has markedly increased, leading to higher post-natal mortality. Heat stress can exacerbate this issue. Arginine plays an important role in several physiological pathways; its effect on gestating sows can depend on the period of supplementation.

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Article Synopsis
  • Paratuberculosis, or Johne's disease, is a contagious bacterial infection affecting ruminants, including certain wild and domestic animals, and is recognized under the new EU Animal Health Law requiring surveillance.
  • A study conducted in Stelvio National Park, Italy, from 2018 to 2022 analyzed 390 red deer for Mycobacterium avium subspecies paratuberculosis (MAP), finding a 5.9% prevalence overall, which declined over the years.
  • The research indicated that older deer and those with lower body mass were more likely to test positive for MAP, suggesting early stages of the infection with minimal signs of disease in the population.
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  • * This study compared two methods for assessing antimicrobial susceptibility in 215 bovine mastitis isolates: the broth microdilution (BMD) method and the agar disk diffusion (ADD) method, focusing on various common pathogens.
  • * Overall agreement between the BMD and ADD methods was 80.7%, indicating fair consistency, but specific pathogens like Staphylococcus aureus showed better agreement, while others like Streptococcus uberis and Escherichia coli had lower compatibility for certain antibiotics.
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Paratuberculosis is a notable infectious disease of ruminants. Goats appear to be particularly susceptible. The survey aimed to investigate the spread of paratuberculosis in Italian goat farming and evaluate whether the presence of the disease could be influenced by welfare and biosecurity deficiencies.

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