Estudio prospectivo de las primo infecciones por Babesia bovis en terneros Brahman y Brangus de un área enzoótica de Corrientes, Argentina

Se evaluaron primo-infecciones causadas por Babesia bovis en terneros Brahman y Brangus en zona endémica de Corrientes, mediante la detección de: anticuerpos por ELISA-i, hematocrito y parasitemia en 48 vacas gestantes (195 días), de sus crías dentro de las 6 horas de vida (M1) y periódicamente hasta los 10 meses de edad (M2-M9). Para determinar la ingestión de calostro se utilizó la prueba del glutaraldehído (M1). La prevalencia de B. bovis en vacas fue del 97,91%. Los niveles de anticuerpos (M1) en terneros calostrados (n=15) fue 79,4 (14/15) Porcentaje de Positividad (PP), y el de sus madres 57,5% (47/48) PP (p<0,05) y en los no calostrados - anticuerpos generados durante la gestación - (n=33) fue 4,6 (1/33) PP. Hubo 4 perfi les serológicos, hasta 60 días (37%), 90 (23%), 120 (30%) y después de los 120 (10%). A los 9 meses de edad el 100% de los terneros presentó anticuerpos, sin padecer enfermedad.Occurrence of primary B. bovis infections were evaluated in calves Brahman and Brangus from endemic areas of Corrientes, throughout antibody-detection by iELISA, hematocrit determination and parasitaemia in 48 pregnant cattle (195 days of pregnancy) and their calves within 6 hours of born (M1) and periodically until 10 months of age (M2-M9). Colostrums’ ingestion was determinate by glutaraldehid test (M1). Prevalence of B. bovis in cattle was 97,91%. The level of antibodies (M1) in calves that consumed colostrums (n=15) was 79,4 PP and 57,5 PP in their mothers (p<0,05). In calves that did not consume colostrums -gestation-generated antibodies - it was 4,6 PP. There were 4 serologic profi les that suggest the occurrence of early infections, before day 60th (37%), 90th (23%), 120yh (30%) and belated after 120 days (10%). At the 9th month of age 100% of calves were infected, without evidence of illness.EEA RafaelaFil: Martinez, I. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Cátedra de Enfermedades Infecciosas; ArgentinaFil: Jacobo, Roberto. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Cátedra de Enfermedades Infecciosa ; ArgentinaFil: Cipolini, M.F. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Cátedra de Enfermedades Infecciosa ; ArgentinaFil: Martinez, Diana. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Cátedra de Enfermedades Infecciosas; ArgentinaFil: Storani, C.A. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Cátedra de Enfermedades Infecciosas; ArgentinaFil: Ragazzi, A. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Cátedra de Producción Bovina; ArgentinaFil: Echaide, Ignacio Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; ArgentinaFil: Torioni, Susana Marta. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentin

Brucellosis in buffalos from Corrientes northeast (Argentina)

Buffalo&rsquo;s production represents an important option as input source in livestock systems located in areas with little profitability by cattle. In mostly farms, cattle and buffalos are breeding together, due that in Argentina, to carry out buffalo&rsquo;s production is in an extensive way, with the aim to produce meat &ndash; mostly- milk &ndash; for this production nutritional supplements are used- and leathers. Brucellosis is zoonic illnesses from bacteria belong to Brucella which caused human human health problems by contaminated food ingestion or to those who are in touch with cattle. In Argentina, exist the National Control an Elimination Program for cattle Brucellosis, which include buffalos also, there is inclosed female vaccination and serologic segregation of positive reactants. Diagnosis techniques ruled for cattle brucellosis are BPA (Buffered Plate Agglutination), Tube seroaglutination and 2MercaptoEthanol. International reference test is Complement Fixation. By means of this present work, we pretend to evaluate the serologic diagnosis utility, ruled to the buffalos and compare obtained results by BPA, SAT and 2ME with Complement Fixation Test. In the present communication are presented results from the use of diagnosis techniques recommended by SENASA (National Service of Sanity and Quality Agro-Food) to buffalo&rsquo;s serums which belong to nine farms from NE Corrientes State. Obtained results show that association o BPA as Screening Test and SAT and 2ME as Confirmated Test has a valid correlation for the detection of positive animals with the reference technique Complement Fixation

Equine Infectious Anemia: seroprevalence in the northeastern region of Argentina

The goal of the present work was to determinate the prevalence of EIA infection among work horses in three cattle farms situated in the Northwest of Corrientes. A sample of whole blood was obtained from all the horses (n¼212), and the AGID test was carried out. One hundred and nineteen horses were found infected (AGID positive)Inst.de VirologíaFil: Espasandin, A.G. Universidad Nacional del Nordeste. Catedra de Enfermedades Infecciosas de la Facultad de Ciencias Veterinarias; ArgentinaFil: Vissani, Aldana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología; ArgentinaFil: Martinez, D.E. Universidad Nacional del Nordeste. Catedra de Enfermedades Infecciosas de la Facultad de Ciencias Veterinarias; ArgentinaFil: Lottero, E. Universidad Nacional del Nordeste. Catedra de Enfermedades Infecciosas de la Facultad de Ciencias Veterinarias; ArgentinaFil: Carballo, L.P. Universidad Nacional del Nordeste. Catedra de Enfermedades Infecciosas de la Facultad de Ciencias Veterinarias; ArgentinaFil: Jacobo, R.A. Universidad Nacional del Nordeste. Cátedra de Enfermedades Infecciosas de la Facultad de Ciencias Veterinarias; ArgentinaFil: Cipolini, M.F. Universidad Nacional del Nordeste. Catedra de Enfermedades Infecciosas de la Facultad de Ciencias Veterinarias; ArgentinaFil: Storani, C.A. Universidad Nacional del Nordeste. Cátedra de Enfermedades Infecciosas de la Facultad de Ciencias Veterinarias; Argentin