A5079465089- Microbial infections and disease research
- Helminth infection and control
- Plant Toxicity and Pharmacological Properties
- Coccidia and coccidiosis research
- Plant and fungal interactions
- Botanical Research and Chemistry
- Viral Infections and Vectors
- Animal health and immunology
- Herpesvirus Infections and Treatments
- Streptococcal Infections and Treatments
- Plant Virus Research Studies
- Toxin Mechanisms and Immunotoxins
- Insect Pest Control Strategies
- Phytochemical compounds biological activities
- Veterinary medicine and infectious diseases
- Animal Virus Infections Studies
- Animal Disease Management and Epidemiology
- Respiratory viral infections research
- Plant Disease Management Techniques
- Parasitic Infections and Diagnostics
- Parasites and Host Interactions
- Yersinia bacterium, plague, ectoparasites research
- Insect and Pesticide Research
- Synthesis and bioactivity of alkaloids
- Leptospirosis research and findings
University of California, Davis
2021-2025
California State University, San Bernardino
2021-2023
Universidad Nacional de La Plata
2014-2020
Abortion in small ruminants poses a significant economic threat and can have zoonotic risk. Although the association between yersiniosis reproductive complications is known, systematic studies case series on abortion sheep goats are scarce. Here we describe epidemiologic pathologic findings 34 cases of Yersinia pseudotuberculosis – Y. enterocolitica –associated abortions goats, contributing to understanding these diseases California. We conducted 22-y retrospective study examine...
Rabbit haemorrhagic disease virus type 2 (RHDV2) causes a severe systemic with hepatic necrosis. Differently from classic RHDV, which affects only European rabbits (Oryctolagus cuniculus), RHDV2 can affect many leporid species, including hares (Lepus spp.) and cottontail (Sylvilagus spp.). emerged in Europe 2010 spread worldwide. During the last 5 years, there have been multiple outbreaks North America since first known event 2016 Quebec, Canada, several detections British Columbia, between...
Enterotoxemia caused by Clostridium perfringens type D usually affects sheep and goats ≥ 2-wk-old. The main clinical signs lesions of the disease are produced epsilon toxin (ETX) elaborated this microorganism. However, ETX is in form a mostly inactive prototoxin that requires protease cleavage for activation. It has traditionally been believed younger animals not affected enterotoxemia given low trypsin activity intestinal content associated with trypsin-inhibitory action colostrum. Two...
Fazzio, L.E.; Costa, E.F.; Streitenberger, N.; Pintos, M.E.; Quiroga, M.A.: Intoxicación accidental por paraíso (Melia azedarach) en bovinos. Rev. vet. 26: 1, 54-58, 2015
El objetivo del presente estudio fue evaluar el efecto tratamiento metafiláctico con oxitetraciclina (OTC), a simple y doble dosis, en bovinos alto riesgo de padecer enfermedad respiratoria bovina (ERB). se realizó un establecimiento engorde corral donde utilizaron 2.754 terneros que fueron considerados ERB.
 Se utilizó diseño bloque completamente al azar consideró animal como la unidad experimental (n=10) bloque. formaron tres grupos experimentales: 1- control (CTL) cual permaneció sin...
Mannheimia haemolytica–associated abomasitis has been clinically described as a cause of sudden death in lambs, but it is poorly characterized. We describe the pathological features severe fibrinonecrotizing 3 lambs that died suddenly. All abomasums had thickened submucosa due to edema and necrotic areas delimited by bands degenerate neutrophils with slender nuclei (oat cells) angiocentric distributions. The overlying mucosa was congested. Myriads gram-negative coccobacilli were observed...
Feline chronic enteropathy is a poorly defined condition of older cats that encompasses enteritis to low-grade intestinal lymphoma. The histological evaluation lymphocyte numbers and distribution in small biopsies crucial for classification grading. However, conventional methods quantification have low interobserver agreement, resulting diagnostic reliability. This study aimed develop validate an artificial intelligence (AI) model detect intraepithelial lamina propria lymphocytes hematoxylin...
The occurrence of combined infections by Toxoplasma gondii, Neospora caninum and Canine distemper virus (CDV) in domestic dogs wildlife animals has not been frequently reported, the histopathological findings were exhaustively described.The objective this study was to report a co-infection CDV, T. gondii N. dog with neurological signs, as well molecular characterization protozoa involved.A young street rescued clinical signs died spontaneously.A complete necropsy performed.Tissues collected...
Although bovine respiratory syncytial virus (BRSV) infection has been reported in cattle Argentina, it not associated with pneumonia Argentina. We report here 5 cases of BRSV. Autopsies were performed on 35 beef gross and/or microscopic lesions from 3 commercial feedlots. Lung samples animals BRSV-positive by reverse-transcription nested PCR. The lungs 2 these coinfected Mannheimia haemolytica, and 1 viral diarrhea 1. Microscopically, the BRSV PCR–positive had fibrinosuppurative...
Clinical History: Two 18-month-old female bison and a heifer died suddenly in the same ranch. The three animals were submitted for postmortem examination diagnostic workup. changes of one are presented here. Necropsy Findings: carcass was fair nutritional condition, with small amount fat reserves, but still well fleshed, mild state post-mortem decomposition. There clotted dark-red blood nostrils anus. heart extensive sub-endocardial hemorrhages all four chambers. These lesions most...
Four Indian ringneck parakeets ( Psittacula krameri; syn. parrots or rose-ringed parakeets) were submitted by 2 private owners for autopsy following a history of dyspnea and death. Gross findings varied included thickening the left caudal thoracic air sac, white spots throughout liver, mild dilation proventriculus, coelomic effusion, splenomegaly, pulmonary congestion edema. Microscopically, had significant lesions in lower respiratory tract, including necrotizing bronchitis, parabronchitis,...
En el reino vegetal existen numerosas especies hepatotóxicas para ganado bovino, siendo la mayoría de las intoxicaciones curso agudo a sub-agudo. Dentro los vegetales hepatotóxicos agudos más conocidos en Argentina se encuentran: “duraznillo negro” <i>(Cestrum parqui)</i>, “sunchillo” <i>(Wedelia glauca)</i>, “abrojo grande” <i>(Xanthium cavaniliensi)</i> y “transparente” <i>(Mioporum laetum)</i>. <i>Cestrum parqui</i> pertenece...
Wedelia glauca is an invasive, perennial plant of the Asteraceae family native to South America. Its toxicity attributed presence a hepatotoxic terpenoid known as atractyloside, powerful inhibitor cellular respiration and ATP synthesis. Cattle are most frequently poisoned species, course this poisoning hyperacute or acute. Occasionally, it possible find fragments plants in rumen contents indentify dermis structure plants, they do not undergo significant changes spite mechanic enzymatic...