ResumoA água é o principal elemento para os seres vivos, podendo ser também uma potencial via de transmissão de inúmeras doenças. O presente trabalho teve como objetivo avaliar a qualidade Microbiológica da água destinada ao consumo humano de bebedouros da Universidade Estadual do Centro-Oeste (UNICENTRO). Foram colhidas 47 amostras de água de bebedouros localizados nos diversos departamentos da universidade. Utilizou-se o método de fermentação em tubos múltiplos que determina o Número Mais Provável (NMP) de bactérias coliformes totais e fecais/100 mL. Os resultados revelam 4/ 47 (8,5%) amostras positivas para coliformes, totais e 1/47 (2%) para coliformes fecais. Considerando a legislação vigente conclui-se que em três bebedouros a água, sob o ponto de vista bacteriológico, estava imprópria para o consumo humano. Palavras-chave: Coliforme total, coliforme fecal, água, qualidade AbstractThe goal of this work was to evaluate micriobiologic quality of water consumed in drinking-fountains from State University of Guarapuava, Paraná state, Brazil. Total and fecal coliforms were searched for the pourpose of evaluating quality of water consumed. Fourty seven samples were obtainied and 4/47 (8,5%) were positive to total coliforms and 1/47 (2%) were positive to fecal coliforms. Three samples showed unsatisfactory hygienic conditions considering Public Health Legislation.
Cooccidiosis is one of the most important causes of economic losses within the poultry industry. The objective of this study was to evaluate the pathogenicity of E. tenella, E. acervulina, and E. maxima strains in commercial broilers chicks. Thirty nine commercial one day old broiler chicks, unvaccinated against coccidiosis, were used during this experiment. At day 14, chickens of G1 (n=10), G2 (n=10) and G3 (n=10) were infected with 2 x 10 4 sporulated oocysts of E. tenella, E. acervulina, and E. maxima respectively; G4 (n=9) served as the uninfected control group. All birds were sacrificed with 21 day old (seven days after infection). The prepatent period (PPP) for G1 and G3 was seven days, however, E. acervulina (G2) had a PPP of five days. No statistical differences were observed when the average weight gain (G1=182.7±63.4; G2=145.2±51.0; G3=183.3±56.8; and G4=211.5±89.0, p>0.10) of the evaluated groups was compared. Average of lesion scores were determined G1 (1.3±0.48, scores 1(n=7) and 2(n=3)), G2 (0.4±0.52, scores 0(n=6), 1(n=4)), and G3 (1.1±0.99, scores 0(n=4), 1(n=1) and 2(n=5)). Chickens from the infected groups (G1, G2 and G4) did not demonstrate a lesion score above 2. The histopathological lesions induced by these strains were consistent with those described for infection by Eimeria spp.
ResumoO consumo de hortaliças é uma das principais vias de transmissão de enteroparasitas para os seres humanos. Considerando este fato, o presente trabalho teve como objetivo avaliar a ocorrência de enteroparasitas em hortaliças comercializadas no município de Guarapuava, Paraná, Brasil. Amostras de alface lisa, alface crespa e agrião foram processadas e analisadas para verificar a presença de enteroparasitas. Das 94 amostras colhidas (55 de alface crespa, 21 de alface lisa e 18 de agrião), 42 (44,7%) foram positivas para a presença de algum tipo de enteroparasita. As amostras de alface lisa apresentaram um risco de contaminação maior do que as de alface crespa (OR = 4, p < 0,05) e as de agrião (OR = 5, p < 0,05). Os principais helmintos e protozoários observados foram Ancylostomatidae (85,7%), Strongyloides sp. (28,5%), Giardia sp. (4,7%) e Enterobius sp. (2,3%). Considerando os resultados obtidos, ressalta-se a necessidade da realização de medidas preventivas para melhorar a qualidade higiênica sanitária das hortaliças, tanto pelas autoridades sanitárias como pelos consumidores. Palavras-chave: Enteroparasitas, hortaliças, ocorrência AbstractVegetables are the most important transmission source of enteroparasites to human beings. The objective of this paper was to evaluate enteroparasites occurrence in vegetables from commercial establishments of Guarapuava County, Paraná State, Brazil. Forty two samples (44.7%) out of 94 were positive, being 15 /21 (71.4%) from smooth lettuce, 21 /55 from rough lettuce and 6 /18 (33.3%) from watercress. Smooth lettuce samples have shown a higher contamination risk than rough lettuce (OR= 4, p<0.05) and watercress (OR = 5, p<0.05).The major helminthes and protozoa observed were Ancylostomatidae (85.7%), Strongyloides sp. (28.5%), Giardia sp. (4.7%) and Enterobius sp. (1.5%). The Vegetable contaminations observed in the present work showed both necessity of government control to improve vegetable sanitary conditions, and the importance to adopt control methods before consumption by the population.
89Composição química e cinética de degradação ruminal da aveia branca (Avena sativa L.) cv. IPR126 sob diferentes níveis de nitrogênioChemical composition and ruminal degradability of white oat ("Avena sativa" L.) cv. IPR126 under different nitrogen levels
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