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The South American Camelids (CSA), including llamas () and alpacas (), are primarily concentrated in the Andean countries of Argentina, Bolivia, Chile, and Peru, where they represent an important source of income for the local population. In Brazil, their captive breeding, although recent, has gained significant attention. These animals can act as potential carriers and transmitters of diseases, especially those with zoonotic potential.
View Article and Find Full Text PDFMulti-platform diagnostic strategy and biosecurity as basis of contagious agalactia control programs in endemic areas.
Ir Vet J
January 2025
Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Campus de Espinardo s/n., Murcia, 30100, Spain.
Background: Control strategies against contagious agalactia (CA), considered one of the most important diseases affecting small ruminants in countries surrounding the Mediterranean, are mainly based on traditional strategies considered suboptimal such as the use of inactivated vaccines and antibiotics. This manuscript analysed the efficacy of an alternative non-mandatory official control programme based on a multi-platform diagnostic panel and biosecurity developed and started in 185 herds placed in a contagious agalactia endemic area of Spain, using the data of 74,080 samples collected and analysed during a 4 years-period (2018-2021).
Results: Globally, the combined analyses of bulk tank milk (BTM), ear or nasal swabs (in goats or sheep, respectively) and the serology to detect Mycoplasma agalactiae (Ma), allowed the detection of 40.
From One Heath to One Sustainability: The Role of Contagious Mastitis Pathogens in Decreasing the Dairy Herd Sustainability.
Pathogens
October 2024
One Health Unit, Department of Biomedical, Surgical and Dental Sciences, School of Medicine, University of Milan, Via Pascal 36, 20133 Milan, Italy.
Economic, social, and environmental sustainability are the results of efforts aiming to improve all aspects of milk production, respecting animal welfare and improving herd health. An epidemiological study was designed to assess the role of contagious pathogens ( and ) in a cohort of 120 dairy herds located in the southern regions of Italy. Milk quality was assessed using certified methods, and the prevalence of mastitis pathogens in bulk tank milk was determined using quantitative polymerase chain reaction.
View Article and Find Full Text PDFUID-Dual Transcriptome Sequencing Analysis of the Molecular Interactions between and Mammary Epithelial Cells.
Animals (Basel)
September 2024
College of Science and Technology, Gansu Agriculture University, Lanzhou 730070, China.
is a highly contagious Gram-positive bacterium that causes mastitis, has a high infectivity for mammary epithelial cells, and becomes challenging to treat. However, the molecular interactions between it and mammary epithelial cells remain poorly understood. This study analyzed differential gene expression in mammary epithelial cells with varying levels of infection using UID-Dual transcriptome sequencing and bioinformatics tools.
View Article and Find Full Text PDFFirst Description of Anatomical Localization in Naturally Infected Hard Ticks ().
Microorganisms
July 2024
Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy.
Article Synopsis
- The study investigates the role of ticks as potential vectors in the transmission of contagious agalactia (CA) in sheep and goats, a disease that significantly impacts the dairy industry.
- Researchers used immunohistochemistry to analyze the presence of the pathogen in the salivary glands and ovaries of infected ticks, finding strong evidence of the pathogen localization in these tissues.
- This research marks the first time the pathogen has been shown to cross the tick midgut barrier and infect organs that could facilitate disease spread, indicating the need for further studies to confirm hard ticks' involvement in CA transmission.
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