Resultados de búsqueda - Avui~

Infection of cattle with Theileria parva induces an early CD8 T cell response lacking appropriate effector function por Houston, E.F., Taracha, E.L.N., Brackenbury, L., MacHugh, Niall D., McKeever, Declan J., Charleston, B., Morrison, W. Ivan

“…Theileria parva causes an acute lympho-proliferative disease in cattle, which can result in death of susceptible animals within 2-3 weeks of infection. …”
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Characterization of the gene encoding the polymorphic immunodominant molecule, a neutralizing antigen of Theileria parva por Toye, Philip G., Metzelaar, M.J., Wijngaard, P.L.J., Nene, Vishvanath M., Iams, K.P., Roose, J., Nyanjui, J.K., Gobright, E.I., Musoke, A.J., Clevers, H.C.

“…Theileria parva, a tick-transmitted protozoan parasite related to Plasmodium spp., causes the disease East Coast fever, an acute and usually fatal lymphoproliferative disorder of cattle in Africa. …”
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Health risk due to exposure to chlorpyrifos for farmers in Thai Binh: Probabilistic risk assessment por Phung Tri Dung, Hung Nguyen-Viet, Tran Thi Tuyet Hanh

“…The research method included three steps: (i) 24-hour urine samples taken from farmers to analyse trichlorpyridinol (TCP), the main metabolite of chlorpyrifos, and then TCP was converted to Absorbed Daily Dose (ADD); (ii) dose-response (RADD) corresponding to acute effects on the nervous system was obtained and recalculated from epidemiologic studies on human population; (iii) the health risk of chlorpyrifos with farmers was evaluated using probabilistic health risk assessment approach with 10,000 trials simulated by Monte Carlo technique. …”
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Marketing system, socio economic role and intra household dynamics of indigenous chicken in Gomma Wereda, Jimma Zone, Ethiopia por Meseret, M., Solomon, D., Tadelle, D.

“…A survey of marketing system, socio economic role and intra household dynamics of indigenous chicken was conducted in Gomma Wereda located at 390 km southwest of Addis Ababa. Six Kebeles of the Wereda were randomly identified and 30 households (hh) randomly selected from each kebele were used to collect data on the profile of the respondents, chicken population and flock structure, marketing system, socio economic role and intra household dynamics of the indigenous chicken using questionnaire, regular visit and target group discussions. …”
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The SmartAG Partner: CCAFS East Africa Quarterly Newsletter, April - June 2014 por CGIAR Research Program on Climate Change, Agriculture and Food Security

“…Loss and damage in African countries has left communities facing acute food security problems as current coping strategies are inadequate. …”
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Biological properties of bovine immunoglobulins and systemic antibody responses por Musoke, A.J., Rurangirwa, F.R., Nantulya, V.M.

“…Cattle vaccinated with Brucella abortus vaccine during acute or chronic infection with T. congelense or T. vivax also showed reduced responses to the vaccine. …”
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Innovation and market creation por Holloway, G.J., Barrett, Christopher B., Ehui, Simeon K.

“…We model the count data from two sites close to Addis Ababa in a latent, categorical variable setting with known bin boundaries. …”
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Milk production, milk composition and body weight change of crossbred dairy cows in urban and peri-urban dairy production systems in Ethiopia por Mekasha, Yoseph, Tegegne, Azage, Yami, A., Umunna, N.N.

“…Milk yield, milk composition and body weight change of crossbred dairy cows (Holstein Friesian X Zebu) were studied in the urban and peri-urban dairy production systems in the Addis Ababa milk shed between December 1997 and November 1998. …”
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Smallholder and village milk processing in the highlands of Ethiopia por O'Connor, C.B.

“…Ethiopia has the largest cattle population (30 million) of any country in Africa. There are about 3.7 milking cows with an average yield of about 210 kg per annum. …”
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Prevalence and antimicrobial susceptibility pattern of thermophilic Campylobacter spp. isolated from ovine carcasses and faeces in Ethiopia por Hailemariam, S., Feleke, A., Szonyi, Barbara, Fries, R., Baumann, M.P.O., Grace, Delia

“…A cross-sectional study was conducted on sheep destined for slaughter at a slaughterhouse in Addis Ababa to determine the prevalence of thermophilic Campylobacter spp. …”
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Identification of atoxigenic Aspergillus flavus isolates to reduce aflatoxin contamination of maize in Kenya por Probst, C., Bandyopadhyay, Ranajit, Price, L.E., Cotty, P.J.

“…Fungal communities on maize dominated by the S strain of A. flavus have repeatedly been associated with acute aflatoxin poisonings in Kenya, where management tools to reduce aflatoxin levels in maize are needed urgently. …”
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Molecular markers as a tool for germplasm acquisition to enhance the genetic diversity of a Napier grass (Pennisetum purpureum) collection por Negawo, Alemayehu T., Jorge, A., Hanson, Jean, Teshome, Abel, Muktar, Meki S., Azevedo, A.L.S., Lédo, F.J.d.S., Machado, J.C., Jones, Christopher S.

“…In general, a useful marker profile of an expanded Napier grass collection has been generated which could be used to enhance the conservation, use and management of the available genetic resources of this important forage crop.…”
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Cows of reproductive age in the high Andean region of Peru have seroprevalence of antibodies against bovine herpesvirus 1 and Neospora caninum por Contreras Vílchez, Víctor, Mendoza Palomino, Efrain, Jiménez Aparco, César, Huamán Lizana, Darwin, Acuña Leiva, Alex Tony, Quispe Ccasa, Hurley Abel

“…Antibodies against Brucella spp, Mycobacterium avium subsp paratuberculosis, bovine viral diarrhea virus, bovine leukemia virus, bluetongue virus, bovine herpesvirus 1 (BHV), and Neospora caninum (NC) were detected by ELISA. …”
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Development and field evaluation of an ELISA to differentiate Anaplasma marginale–infected from A. centrale–vaccinated cattle por Bellezze, Julio, Thompson, Carolina Soledad, Bosio, Anabela, Torioni, Susana Marta, Primo, María Evangelina

“…Immunization of calves with Anaplasma centrale is used to prevent acute anaplasmosis caused by A. marginale. Natural and vaccine-acquired immunity is detected through serologic tests based primarily on A. marginale recombinant major surface protein 5 (MSP5m) because it has 91% identity with MSP5 from A. centrale (MSP5c). …”
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Pollen beetle (Astylus atromaculatus)-associated gastroenteric disease in cattle: report of 6 natural outbreaks por Garcia, Juan Agustin, Livio, Juan, Matto, Carolina, Dutra, Fernando, Scioli, Maria Valeria, Giannitti, Federico, Langston, James, Poppenga, Robert, Canton, German Jose, Uzal, Francisco

“…The main clinical signs included acute onset of anorexia, lethargy, hyperthermia, hindlimb weakness, reluctance to move, and diarrhea, for up to 15 d. …”
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Assessing potential viral transmission between honeybees and hive-infesting ants using novel per-hive co-detection indices por Rivas Fontan, Ignacio, Gonzalez, Fernanda Noemi, Moja, Pablo Joaquín, Ferrufino, Cecilia Gabriela, Zanola, Daniel, Scally, Bruno, Calcaterra, Luis, Dus Santos, Maria Jose, Josens, Roxana Beatriz

Materias: “…Apis mellifera…”
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Distribución de poros en un suelo vertisólico de uso arrocero = Pore size distribution of a Vertisol cropped to rice por Wilson, Marcelo German, Paz Ferreiro, J., Quintero, C., Vidal Vazquez, E., Diaz, E., Cerana, J.

“…The loss of total porosity was reflected by a decrease in the percolation level, so that a significant relationship was found between both variables. In addi tion to total porosity decrease, also changes in pore size distributions were observed, meaning a lost of transmission pores and a relative higher proportion of residual pores.…”
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An Outbreak of Sodium Fluoroacetate (1080) Intoxication in Selenium- and Copper-Deficient Sheep in California por Giannitti, Federico, Anderson, Mark, Caspe, Sergio Gaston, Mete, A., East, N.E., Mostrom, M., Poppenga, R.

“…Microscopically in all cases, there was multifocal acute myocardial degeneration and necrosis with nonsuppurative pleocellular myocarditis. …”
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Early Adaptive Immune Responses in the Respiratory Tract of Foot-and-Mouth Disease Virus-Infected Cattle por Pega, Juan Franco, Bucafusco, Danilo, Di Giacomo, Sebastián, Schammas, Juan Manuel, Malacari, Darío Amilcar, Capozzo, Alejandra Victoria, Arzt, J., Pérez-Beascoechea, C., Maradei, E., Rodríguez, L.L., Borca, Manuel Victor, Perez Filgueira, Daniel Mariano

“…Foot-and-mouth disease (FMD) is a highly contagious viral disease which affects both domestic and wild biungulate species. This acute disease, caused by the FMD virus (FMDV), usually includes an active replication phase in the respiratory tract for up to 72 h postinfection, followed by hematogenous dissemination and vesicular lesions at oral and foot epithelia. …”
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Nanostructured voltammetric sensor for ultra-trace anabolic drug determination in food safety field por Regiart, Daniel Matias Gaston, Pereira, Sirley Vanesa, Spotorno, Viviana Graciela, Bertolino, Franco Adrián, Raba, Julio

“…The MWCNTs-CH/AuNPs/SPCE was characterized by cyclic voltammetry, X-ray diffraction and scan electron microscopy. …”
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