Etnografía del productor araucano de la sabana inundable, Colombia

El objetivo del presente artículo fue describir la etnografía del llanero habitante de los municipios de Arauca,Cravo Norte y Puerto Rondón, localizados en las sabanas inundables del departamento de Arauca, Colombia,a partir del enfoque sisté[email protected]

Etnografía del productor araucano de la sabana inundable, Colombia

El objetivo del presente artículo fue describir la etnografía del llanero habitante de los municipios de Arauca,Cravo Norte y Puerto Rondón, localizados en las sabanas inundables del departamento de Arauca, Colombia,a partir del enfoque sisté[email protected]

Interacción entre factores ambientales y raciales sobre la prevalencia de hemotrópicos en hembras bovinas doble propósito en sabanas inundables araucanas, Colombia

The objective of this work was to determine the prevalence of hemotropics A. marginale, Babesia spp. and Trypanosoma spp. and environmental and genetic interactions in milking cows of the dual purpose system in the Municipality of Arauca, Colombia. A blood sample from the middle coccygeal vein was collected from 333 female bovines of different ages, located on 18 livestock farms, and the inclusion criterion was only the females that were milked at each farm. Sampling was performed for convenience in summer and winter. Samples were analyzed using Wright and Hemacolor® techniques. The racial groups were: Cebu (n = 157), Criolla (n = 14), Criolla x Cebu (n = 32), Mestiza (n = 64), Brown x Cebu (n=22), Simental x Cebu (n = 16) and Holstein x Cebu (n = 5). Through contingency tables the percentage amount of animals positive to hemotrópics was determined. The data were processed in Infostat; 72.22% of farms were positive for A. marginale; 66.66% for Trypanosoma spp and 16.66% for Babesia spp. The overall prevalence was 43.54%, the most frequent hemoparasite was A. marginale, (24.92%), followed by Trypanosoma spp, (14.41%) and Babesia spp (4.2%). No mixed infections were identified. A significant association (P = 0.0001) of the farms with the three hemoparasites was observed; A. marginale was dependent on the racial group (P = 0.0046), Babesia spp and A. marginale had time-of-year dependence (P 0.05). It is concluded that in the Araucanian floodplain region the highest prevalence of hemoparasites was associated with A. marginale and Trypanosoma spp, Animals with a predominance of taurus are more susceptible than Creoles and the interactions are given to general management, sanitary program, time and agroecological location of livestock farms. © Universidad del Zulia 2018, Derechos Reservados. Maracaibo, Venezuela. Acerca de LUZ Web. [email protected]

Interacción entre factores ambientales y raciales sobre la prevalencia de hemotrópicos en hembras bovinas doble propósito en sabanas inundables araucanas, Colombia

The objective of this work was to determine the prevalence of hemotropics A. marginale, Babesia spp. and Trypanosoma spp. and environmental and genetic interactions in milking cows of the dual purpose system in the Municipality of Arauca, Colombia. A blood sample from the middle coccygeal vein was collected from 333 female bovines of different ages, located on 18 livestock farms, and the inclusion criterion was only the females that were milked at each farm. Sampling was performed for convenience in summer and winter. Samples were analyzed using Wright and Hemacolor® techniques. The racial groups were: Cebu (n = 157), Criolla (n = 14), Criolla x Cebu (n = 32), Mestiza (n = 64), Brown x Cebu (n=22), Simental x Cebu (n = 16) and Holstein x Cebu (n = 5). Through contingency tables the percentage amount of animals positive to hemotrópics was determined. The data were processed in Infostat; 72.22% of farms were positive for A. marginale; 66.66% for Trypanosoma spp and 16.66% for Babesia spp. The overall prevalence was 43.54%, the most frequent hemoparasite was A. marginale, (24.92%), followed by Trypanosoma spp, (14.41%) and Babesia spp (4.2%). No mixed infections were identified. A significant association (P = 0.0001) of the farms with the three hemoparasites was observed; A. marginale was dependent on the racial group (P = 0.0046), Babesia spp and A. marginale had time-of-year dependence (P 0.05). It is concluded that in the Araucanian floodplain region the highest prevalence of hemoparasites was associated with A. marginale and Trypanosoma spp, Animals with a predominance of taurus are more susceptible than Creoles and the interactions are given to general management, sanitary program, time and agroecological location of livestock farms. © Universidad del Zulia 2018, Derechos Reservados. Maracaibo, Venezuela. Acerca de LUZ Web. [email protected]

Molecular and serological detection of Ehrlichia canis and Babesia vogeli in dogs in Colombia

Ehrlichiosis and babesiosis are tick-borne diseases, caused mainly by Ehrlichia canis and Babesia canis, respectively, with a worldwide occurrence in dogs, whose main vector is the brown-dog tick, Rhipicephalus sanguineus. The present work aimed to detect the presence of E. canis and Babesia sp. in 91 dog blood samples in Colombia, by molecular and serological techniques. We also performed sequence alignment to indicate the identity of the parasite species infecting these animals. The present work shows the first molecular detection of E. canis and B. vogeli in dogs from Colombia. Immunoglobulin-G (IgG) antibodies to E. canis and Babesia vogeli were found in 75 (82.4%) and 47 (51.6%) sampled dogs, respectively. Thirty-seven (40.6%) and 5 (5.5%) dogs were positive in PCR for E. canis and Babesia sp., respectively. After sequencing, amplicons showed 99% of identity with isolates of E. canis and B. vogeli. The phylogenetic trees based on 16S rRNA-Anaplasmataceae sequences and 18S rRNA-piroplasmid sequences supported the identity of the found E. canis and B. vogeli DNAs, respectively. The present work shows the first molecular detection of E. canis and B. vogeli in dogs in Colombia. © 2011 Elsevier [email protected]

Molecular and serological detection of Ehrlichia canis and Babesia vogeli in dogs in Colombia

Ehrlichiosis and babesiosis are tick-borne diseases, caused mainly by Ehrlichia canis and Babesia canis, respectively, with a worldwide occurrence in dogs, whose main vector is the brown-dog tick, Rhipicephalus sanguineus. The present work aimed to detect the presence of E. canis and Babesia sp. in 91 dog blood samples in Colombia, by molecular and serological techniques. We also performed sequence alignment to indicate the identity of the parasite species infecting these animals. The present work shows the first molecular detection of E. canis and B. vogeli in dogs from Colombia. Immunoglobulin-G (IgG) antibodies to E. canis and Babesia vogeli were found in 75 (82.4%) and 47 (51.6%) sampled dogs, respectively. Thirty-seven (40.6%) and 5 (5.5%) dogs were positive in PCR for E. canis and Babesia sp., respectively. After sequencing, amplicons showed 99% of identity with isolates of E. canis and B. vogeli. The phylogenetic trees based on 16S rRNA-Anaplasmataceae sequences and 18S rRNA-piroplasmid sequences supported the identity of the found E. canis and B. vogeli DNAs, respectively. The present work shows the first molecular detection of E. canis and B. vogeli in dogs in Colombia. © 2011 Elsevier [email protected]