A5001090232- Leptospirosis research and findings
- Humic Substances and Bio-Organic Studies
- Veterinary medicine and infectious diseases
- Viral Infections and Vectors
- Mycobacterium research and diagnosis
- Bartonella species infections research
Universidade Federal Fluminense
2021-2025
Bovine genital leptospirosis (BGL) is a chronic reproductive disease in cattle, often causing significant economic losses, and commonly associated with leptospiral strains belonging to the Sejroe serogroup. A two-step protocol was recommended, based on serological screening of herds followed by an individual diagnosis PCR sample. Although proposed, it has not been applied under field conditions, leading frustrating outcomes control. In that context, present study aimed demonstrate viability...
Background: Bovine leptospirosis is an important reproductive disease and abortion a major sign, leading to economic impacts. Due its multifactorial etiology, the proper diagnosis of cause crucial. Necropsy fetuses followed by molecular analysis recommended for diagnosis, investigation mainly occurs in kidneys liver. This study aimed analyze unconventional sites presence leptospiral DNA bovine anicteric aborted fetuses. Methods: Five same herd were received necropsy diagnosis. Conventional...
(1) Background: Vaccination of dogs against leptospirosis is paramount importance, as they ideally must provide not only long-term protection, but also the renal carrier state leptospires. This study assessed post-vaccine humoral response Leptospira in naturally exposed and effects on status. (2) Methods: A total 118 were studied for 365 days, separated into Group (vaccinated, n = 94) B (non-vaccinated, 24). was subdivided three groups: A1 with 32 immunized vaccine #1; A2 by #2; A3 30 #3....
Abstract Background Bovine genital leptospirosis (BGL) causes chronic reproductive disease in cattle. This study aimed to apply a combined serological‐molecular testing protocol under field conditions for diagnosing BGL cows with gestational losses. Methods Three beef herds failures were studied, and 60 losses (20 from each herd) randomly selected laboratory diagnosis of BGL. In addition, 40 normal pregnancy included as control. Blood samples collected all 100 microscopic agglutination...
(1) Background: Leptospirosis, mainly determined by strains belonging to serogroup Sejroe, has a direct impact on the reproductive efficiency of ruminants, such as sheep. In Brazil, Leptospira santarosai serovar Guaricura, known be able chronically colonize uterine environment, is special note. Although vaccination minimizes effects acute disease, whether or not it can protect from renal colonization remains controversial, and its genital tract are unknown. this context, present study aims...
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Canine leptospirosis is a bacterial disease caused by spirochetes of the genus Leptospira. Infections can vary from asymptomatic and chronic infections to clinical acute diseases. The endemic in tropical areas, such as Latin American countries, but broad understanding dynamics circulation strains, based on molecular data, has not yet been performed. Based silico analyses, present study aims analyze genetic diversity patterns haplotypes pathogenic leptospires infecting dogs America. DNA...
Leptospirosis is known to determine reproductive disorders on livestock, and Leptospira interrogans borgpetersenii are the most frequently reported species. noguchii an emerging pathogen, but its association with disease unclear. We have detected L. as agent of outbreak in a Brazilian dairy goat flock. In kidding season, five out 10 Saanen had abortions final month pregnancy two newborn kids acute clinical signs. After necropsy three foetuses one kid, fragments liver, lung kidney were...
Bovine Genital Leptospirosis (BGL) is an important syndrome that leads to reproductive failures. The present study aimed perform a molecular analysis of Leptospira spp. identified from genital and urine samples in vivo naturally infected cows with poor performance. A total 48 destined for culling due low efficiency were selected submitted sampling. Uterine fragments, cervicovaginal mucus (CVM), collected all the processed culturing PCR. One isolate was recovered uterus one cow. Other 25...