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Search Results: 1 - 10 of 197160 matches for " Laura Y.B.;Gregori "
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On the etiology of an outbreak of winter dysentery in dairy cows in Brazil
Brand?o, Paulo E.;Villarreal, Laura Y.B.;Gregori, F.;Souza, Silvio L.P. de;Lopes, Marco A.E.;Gomes, Cleise R.;Sforsin, Angelo J.;Sanches, Alexandre A.;Rosales, Cesar A.R.;Richtzenhain, Leonardo J.;Ferreira, Antonio J.P.;Jerez, José A.;
Pesquisa Veterinária Brasileira , 2007, DOI: 10.1590/S0100-736X2007001000002
Abstract: winter dysentery (wd) is a seasonal infectious disease described worldwide that causes a marked decrease in milk production in dairy cows. in the northern hemisphere, where the disease is classically recognized, bovine coronavirus (bcov) has been assigned as a major etiologic agent of the disease. nonetheless, in the southern hemisphere, an in-deep etiological survey on wd cases had not been carried out. this study aimed to survey for bcov by nested-rt-pcr, rotavirus by polyacrylamide gel electrophoresis (page) and elisa, bacteria by classical bacteriological methods and pcr for virulence factors and parasites by sugar flotation test on fecal samples of 21 cows from a farm during an outbreak of wd in s?o paulo state, southeastern brazil. bcov was detected in all 21 samples, while rotavirus was detected in two symptomatic cows. escherichia coli, yersinia intermedia, providencia rustigianii proteus penneri, klebsiella terrigena and enterobacter aglomerans were detected in samples from both asymptomatic and healthy cows in different associations. the study of e. coli virulence factors revealed that the strains isolated were all apathogenic. cysts of eimeria sp. and eggs of strongyloidea were detected at low numbers in four of the symptomatic cows, with one co-infestation. these results suggest bcov as the main etiologic agent of the cases of wd in brazil, a conclusion that, with the clinical and epidemiological patterns of the disease studied herein, match those already described elsewhere. these findings give basis to the development of preventive measures and contribute to the understanding of the etiology of wd.
G. Valk, AZ is de naam! Geschiedenis van het betaald voetbal in Alkmaar
Y.B. Kuiper
BMGN : Low Countries Historical Review , 2006,
Abstract:
R. van der Laarse, Van goeden huize. Elite in en rondom Alkmaar in de negentiende eeuw
Y.B. Kuiper
BMGN : Low Countries Historical Review , 2005,
Abstract:
M. Prak, Republikeinse veelheid, democratisch enkelvoud. Sociale verandering in het revolutietijdvak, 's-Hertogenbosch 1770-1820
Y.B. Kuiper
BMGN : Low Countries Historical Review , 2005,
Abstract:
Is Paramaribo te groot?
Y.B. de Wit
Nieuwe West-Indische Gids , 1966,
Abstract:
A Wave Near the Edge of a Circular Disk
M. Destrade and Y.B. Fu
The Open Acoustics Journal , 2008, DOI: 10.2174/1874837600801010015]
Abstract: It is shown that in the Love-Kirchhoff plate theory, an edge wave can travel in a circular thin disk made of an isotropic elastic material. This disk edge wave turns out to be faster than the classic flexural acoustic wave in a straightedged, semi-infinite, thin plate, a wave which it mimics when the curvature radius becomes very large compared to the wavelength.
Role of Women in Veterinary Profession
Veena T and Rajeshwari Y.B
Veterinary World , 2008,
Abstract: [Vet. World 2008; 1(12.000): 380-381]
Pervasive Computing goals and its Challenges for Modern Era
Lalit Prasad,Y.B Joshi
International Journal of Computer Science and Network , 2012,
Abstract: The information age was born a scant 50 years ago and – withthe realities of Moore’s Law – is already permeating our way oflife. Now we are entering the age of the Pervasive (orubiquitous) computing which is a concept based on a visiondescribed by Mark Weiser nearly a decade ago. “The mostprofound technologies are those that disappear. They weavethemselves into the fabric of everyday life until they areindistinguishable from it” – so began Mark Weiser seminal1991 paper that described his vision of ubiquitous computing,now also called pervasive computing. The essence of that visionwas the creation of environments saturated with computing andwireless communications capability, yet gracefully integratedwith human users. Many key building blocks needed for thisvision are now viable commercial technologies: wearable andhandheld computers, high bandwidth wireless communication,location sensing mechanisms, and so on.
Experimental and Analytical Investigations on Flexural Strengthening of Old Wood Members in Historical Buildings with GFRP
Y.B. Motlagh,Y. Gholipour,Gh. Ebrahimi,M. Hosseinalibeygi
Journal of Applied Sciences , 2008,
Abstract: The aim of this study is strengthening the old wood members in historical buildings with new innovative technology, which have lost parts of their strength due to heavy loads, loading time factor, effects of extreme humidity or insects attack. Most of the ancient buildings throughout Iran have been constructed mainly by wooden members. Some of the structural members in such a valuable buildings are partially defected. Therefore, it seriously needs to be repaired or rehabilitated in order to maintain in proper strength. Present research is focused on strengthening the old wood beam members sampling from non-essential sections of historical buildings with Glass Fiber Reinforced Polymer (GFRP) composite materials. A three-point loading test was used to study the behavior of the beam subjected to gradual static load under different configurations of reinforcement. The load-displacement response, ultimate strength, modulus of elasticity and the mode of failures were evaluated. The experimental results have shown an improvement in load capacity, strength and stiffness of hybrid if compared with un-reinforced samples. At the end, the experimental and analytical results were compared with each other.
The Employment of FTIR Spectroscopy and Chemometrics for Classification and Quantification of Mutton Fat in Cod Liver Oil
Abdul Rohman,Retno Sunarminingsih,Y.B. Che Man
American Journal of Food Technology , 2012,
Abstract: In pharmaceutical field, Cod Liver Oil (CLO) is one of the potential sources of long chain omega-3 fatty acids and fat soluble vitamins, especially vitamin A. In the fats and oils industry, CLO has high price. As a consequence, some market players try to blind CLO with other fats and oils to gain economics profit. Animal fats like Mutton Fat (MF) are potential to be mixed with CLO due to the similarity in terms of fatty acid composition. This study focused on the application of FTIR spectroscopy in conjunction with chemometrics for classification and quantification of MF as adulterant in CLO. The combined spectral regions of 3,010-2995 and 1,500-900 cm-1 were used for classification between CLO and CLO blended with MF at various concentrations, with the aid of Discriminant Analysis (DA). DA is able to classify CLO and CLO adulterated with MF without any mistakenly grouped. These frequency regions were also used for quantification of MF in CLO, offering the highest R2 value (0.992) and the lowest root mean square error of calibration (RMSEC) value (1.31% v/v), compared with other studied spectral regions.
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