A5053019648- Toxoplasma gondii Research Studies
- Animal Disease Management and Epidemiology
- Vector-Borne Animal Diseases
- Parasitic Infections and Diagnostics
- Microbial infections and disease research
- Herpesvirus Infections and Treatments
- Viral Infections and Vectors
- T-cell and Retrovirus Studies
- Reproductive Physiology in Livestock
- Helminth infection and control
- Sex work and related issues
- Insect and Pesticide Research
- Plant and fungal interactions
- Reproductive System and Pregnancy
- Infectious Diseases and Mycology
- Plant Toxicity and Pharmacological Properties
- Animal health and immunology
- Veterinary medicine and infectious diseases
- Botanical Research and Chemistry
- Mycotoxins in Agriculture and Food
- Milk Quality and Mastitis in Dairy Cows
- Mycobacterium research and diagnosis
- Cytomegalovirus and herpesvirus research
- Reproductive tract infections research
- Viral gastroenteritis research and epidemiology
Consejo Nacional de Investigaciones Científicas y Técnicas
2022-2025
National Agricultural Technology Institute
2015-2025
Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria
2024
King's Fertility
2023
Instituto Superior de Teologia Aplicada
2023
Instituto Nacional de Tecnologia
2004-2021
National University of Salta
2021
Moredun Research Institute
2011-2019
Universidad de la República
2018
Instituto Nacional de Investigación Agropecuaria
2016-2017
Chlamydial abortion in small ruminants is usually associated with Chlamydia abortus infection. Although pecorum has been detected aborted and epidemiological data suggests that C. abortigenic these species, published descriptions of lesions fetuses are lacking. This work describes fetoplacental a caprine infection, further supports the role ruminants. A 16-month-old Boer goat twin at ~130 days gestation. Both (A B) placenta fetus were submitted for postmortem examination diagnostic workup....
As clinical toxoplasmosis is not considered a problem in pigs, the main reason to implement control strategy against Toxoplasma gondii (T. gondii) this species reduce establishment of T. tissue cysts pork, consequently reducing risk parasite entering human food chain. Consumption from raw or undercooked meat one sources infection, with infected pork being high risk. This study incorporates mouse bioassay molecular detection DNA effectiveness vaccination (incomplete S48 strain) its ability...
Intoxication of sheep and cattle by Astylus atromaculatus recently occurred in Uruguay Argentina association with severe drought. Although the disease was experimentally reproduced 1970s, there is limited information on clinical pathologic findings intoxicated this beetle. Here, we described clinical, gross, microscopic 3 orally dosed A. (treatment group, TG) 2 control (control CG) distilled water. Anorexia, lethargy, ruminal stasis, reluctance to move, prolonged recumbency, bruxism were...
Bovine anaplasmosis is a disease caused by Anaplasma marginale, tick-borne bacterial pathogen with global distribution, primarily determined the range of its vector. In Argentina, Rhipicephalus microplus main species associated A. marginale transmission, even though this bacterium can also be mechanically transmitted. We studied complex infections (more than one variant) in naturally infected bovines from two different epidemiological contexts: region tick vector and tick-free region. area,...
We describe the occurrence of dystocia and stillbirths in Brangus Aberdeen Angus cows heifers within context mineral deficiencies a beef farm located Buenos Aires province, Argentina. Water, forage, blood samples were collected for chemical, serology, quantification, respectively. Birth weight, sex presentation calves monitored at birth, calving ease was evaluated. A stillborn female examined postmortem. The subsequent recorded 6.11% (32 out 523) dams with subclinical hypomagnesemia. During...
In April and June of 2024, two outbreaks photosensitisation occurred in a herd 354 beef cows calves Buenos Aires province, Argentina. Both the same paddock, where red clover (Trifolium pratense) was dominant pasture species, combined with tall fescue (Schedonorus arundinaceus, previously Festuca arundinacea), white (T. repens), bird's foot trefoil (Lotus corniculatus), perennial ryegrass (Lolium perenne). Signs head tilt, restlessness, tail swishing, searching behaviour for shade water were...
Abstract In order to investigate the pathogenesis of neosporosis following a primary infection in late pregnancy, cattle were subcutaneously challenged with 5 × 10 8 Neospora caninum (NC1 isolate) tachyzoites at day 210 gestation and serial necropsies then carried out 14, 28, 42 56 days post-infection (dpi). No abortions occurred all foetuses viable time euthanasia. There was high rate vertical transmission, as parasites detected by immunohistochemical labelling PCR from 28 dpi. Focal...
This study examined the immunological responses of pregnant cattle and their foetuses following an experimental challenge with live Neospora caninum tachyzoites at day 210 gestation. Animals were bled prior to weekly throughout experiment sacrificed 14, 28, 42 56 days post inoculation (dpi). At mortem examination, samples lymph nodes spleen collected from both dam foetus for analysis. Subcutaneous (sc) over left prefemoral (LPF) node gestation, led vertical transmission parasites by 14 dpi,...
ABSTRACT: Bovine abortion is an important cause of significant economic losses in beef and dairy herds. This syndrome usually difficult to diagnose. The aim this study was characterize bovine causes Argentina by standard diagnosis procedures (histology, bacterial viral isolation) other diagnostic tests like direct fluorescent antibody test (DFAT), fetal serology, immunohistochemistry (IHC), PCR, showing their specific advantages limitations. Necropsies were performed 150 aborted fetuses...
Infection with Neospora caninum stimulates host cell-mediated immune responses, which may be responsible for placental damage leading to bovine abortion. The aim of this study was compare responses in the placenta, following experimental infection different stages pregnancy. Placentomes were examined by immunohistochemistry and inflammation early gestation generally moderate severe, particularly placentas carrying non-viable foetuses, whereas it milder later stages, mainly characterised...
This report describes an outbreak of high mortality heifers after they consumed harvested maize fields parasitised with the fungus Diplodia maydis.Clinical signs observed were generalised muscle tremors, incoordination, ataxic hindquarters, paralysis and death. The morbidity was 27/500 (5.4 %) 10/27 (37%). No gross lesions observed, however histopathological examination revealed moderate to severe degeneration myelin shafts in white matter cerebellum. maydis infection identified from visual...