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Institution

Ministry of Agriculture

GovernmentRio de Janeiro, Brazil
About: Ministry of Agriculture is a government organization based out in Rio de Janeiro, Brazil. It is known for research contribution in the topics: Biology & Chemistry. The organization has 1153 authors who have published 1189 publications receiving 14442 citations.
Topics: Biology, Chemistry, Gene, Detection limit, Population


Papers
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Journal ArticleDOI
TL;DR: The aim of the study was to determine the phylogenetic groups of E. coli strains isolated from seemingly healthy broiler and broiler condemned suspected of colibacillosis in a Brazilian slaughterhouse and showed that phylogroups B2 and E were associated with the heart samples and phylogroup A was associated with respiratory tract samples.
Abstract: The aim of the study was to determine the phylogenetic groups of E. coli strains isolated from seemingly healthy broiler and broiler condemned suspected of colibacillosis in a Brazilian slaughterhouse. Samples from respiratory tract and edible giblets (liver and heart) of broilers with and without macroscopic lesions of colibacillosis were collected at slaughter. There were 84 strains isolated from broilers condemned of which 11 were obtained from swabs of the heart, 7 from the liver, and 66 from the respiratory tract. Of the 53 E. coli strains isolated from broilers not condemned, 5 were isolated from the heart, 4 from the liver, and 44 from the respiratory tract. E coli strains were tested via PCR for phylogenetic groups A, B1, B2, C, D, E, and F. Phylogroups A and B1 were the most common phylogroups of E. coli obtained from healthy and sick-appearing broiler carcasses. The results of the study showed that phylogroups B2 and E were associated with the heart samples and phylogroup A was associated with respiratory tract samples, phylogroup B1 with not condemned carcass, and phylogroup D with liver samples.

17 citations

Journal ArticleDOI
TL;DR: Time series analysis of the records, seasonal indexes and moving averages was used to describe the adherence to the mathematical model and to offer preventive management strategies for the slaughterhouse industry.

17 citations

Journal ArticleDOI
TL;DR: A microrregiao de Goiânia pode ser caracterizada como uma area de estabilidade enzootica para babesiose bovina causada tanto by B. bigemina quanto por B. bovis, portanto oferece risco em potencial de perdas economicas na introducao de animais suscetiveis procedentes de regioes livres.
Abstract: O trabalho teve por objetivo estudar a prevalencia de anticorpos anti-Babesia bigemina e anti-Babesia bovis no rebanho bovino de leite da microrregiao de Goiânia por meio da reacao de imunofluorescencia indireta (RIFI) e ELISA. Para o delineamento experimental o mapa da microrregiao foi dividido em 47 quadrantes, dos quais 25 foram sorteados para a colheita de material. Em cada propriedade visitada foi colhido sangue aleatoriamente em cerca de 10% dos animais. Colheram-se 180 amostras de sangue, numero estatisticamente representativo para a populacao bovina em estudo. Do total das amostras, 94,4% e 93,3% foram positivas para Babesia bigemina ao teste de RIFI e ELISA respectivamente, sendo que os metodos apresentaram uma concordância de 97,8%. Para Babesia bovis, 100% das amostras foram positivas pela RIFI e 98,9% pelo ELISA, com uma concordância de 98,9% entre eles. Nao foi constatada nenhuma diferenca estatisticamente significativa (P<0,05) entre as provas de RIFI e ELISA. A microrregiao de Goiânia pode ser caracterizada como uma area de estabilidade enzootica para babesiose bovina causada tanto por B. bigemina quanto por B. bovis, portanto oferece risco em potencial de perdas economicas na introducao de animais suscetiveis procedentes de regioes livres. PALAVRAS-CHAVE: Babesiose, bovinos, reacao de imunofluorescencia indireta, ELISA, Babesia bovis, Babesia bigemina.

17 citations

Journal ArticleDOI
TL;DR: The studied additives were not efficient to prevent the atrophy of the intestinal mucosa of the jejunum, since they did not interfere on its ultra structure.
Abstract: Foram estudados os efeitos da glutamina, dos acidos graxos poli-insaturados e da parede celular de levedura (PCL) sobre a estrutura e ultraestrutura do intestino delgado e o desempenho de leitoes. Foram utilizados 45 leitoes, desmamados aos 21 dias de idade, para testar os seguintes tratamentos: T1 - dieta basal; T2 - dieta basal + 1% de glutamina; T3 - dieta basal + 0,2% de PCL; T4 - dieta basal + 5% de oleo de peixe. Nos dias sete e 14 pos-desmame, foram abatidos cinco leitoes de cada tratamento. Os aditivos testados nao alteraram a altura e a densidade dos vilos nem a profundidade das criptas do intestino delgado. Foi observado efeito de idade, mostrando reducao na altura e na densidade dos vilos e na profundidade das criptas apos o desmame. No duodeno e jejuno, foram observados maiores valores de relacao vilo:cripta, que aumentaram com a idade pos-desmame. Ocorreram reducao da altura dos microvilos do duodeno aos sete dias e aumento da largura dos microvilos do jejuno aos 14 dias pos-desmame. A area de superficie apical dos enterocitos nao foi alterada pelos fatores estudados. Os aditivos estudados nao foram eficientes em prevenir a atrofia da mucosa intestinal do jejuno, ao nao interferir na sua ultraestrutura. Os aditivos incluidos na dieta nao influenciaram o desempenho dos leitoes no pos-desmame.

17 citations

Journal ArticleDOI
TL;DR: E by occupation and consumption of raw milk and derivative products that place individuals in direct and indirect contact with animals and their excretions/secretions increase the risk for zoonotic TB in Brazil, especially among those with EPTB.
Abstract: BACKGROUND The World Health Organization (WHO) has classified human zoonotic tuberculosis (TB) due to Mycobacterium bovis as a neglected issue in the developing world. In a recent cross-sectional study in Brazil, three of 189 TB patients presented with a coinfection of M. bovis and M. tuberculosis and were selected as cases for this study. OBJECTIVE The aim was to evaluate risk factors (RF) for zoonotic TB in an urban area of Brazil in order to guide preventive programmes. METHODS A matched case-control study was carried out nested within a cross-sectional study. For each of the three cases, 14 age- and sex-matched controls (TB due to M. tuberculosis) were selected. FINDINGS Zoonotic potential exposures (ZE) and extrapulmonary TB (EPTB) were independently associated with zoonotic TB in multivariate analyses. CONCLUSIONS ZE by occupation and consumption of raw milk and derivative products that place individuals in direct and indirect contact with animals and their excretions/secretions increase the risk for zoonotic TB in Brazil, especially among those with EPTB. Therefore, measures such as efficient control of bovine TB, distribution of pasteurised milk and its derivative products, and the diagnosis and monitoring of zoonotic TB in humans are essential steps, especially in developing countries where bovine TB is enzootic, and further studies are necessary.

17 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20238
202253
202157
202063
201951
201874