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Navegando EVZ - Artigos publicados em periódicos por Autor "Acypreste, Cléverson Santos"
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Item Diagnóstico da freqüência da brucelose bovina em vacas em lactação na bacia leiteira de Goiânia pelas provas do anel do leite e rosa bengala(José Henrique Stringhini, 2002-06) Acypreste, Cléverson Santos; Silva, Luiz Antônio Franco da; Mesquita, Albenones José de; Fioravanti, Maria Clorinda Soares; Dias Filho, Francisco de Carvalho; Ramos, Ludmila SouzaIn order to verify the occurrence of bovine brucelosis in cows in nursing from Goiânia dairy belt and to evaluate the behavoir of the tests ring and rose bengal in diagnosis of the disease, milk sample were colletected from 106 milk pots and blood samples were drawn from 870 nursing cows in 45 farms located in a 100 Km distance from Goiânia Goiás Brazil. The milk samples were analyzed by the ring test and the blood serum were tested by rose bengal test in order to detect brucelosis antibodies. The result by the ring test was 11,11% for farms and 5,66% for milk samples while the rose bengal test showed 1,72 % of positive animals and 17,78% of farms with infected animals. The tests were evaluated by the c2 test and it was observed that there was no statitical difference betweem them (p>0,05). There was accordance of 80% between the tests.Item Estudo da eficiência do calcário calcítico, do carbonato de cálcio e do óxido de magnésio no controle do ph ruminal(José Henrique Stringhini, 2003-06) Oliveira, Euclides Reuter de; Dias, Darci silva de Oliveira; Ferreira, Reginaldo Nassar; Acypreste, Cléverson Santos; Vieira, Dirson; Dias, Miguel JoaquimThe experiment was carried out in the Animal Production Department of the Veterinary School (Goiás Federal University), in order to study the behavior of ruminal pH, blood levels of glucose and urea. Sixteen male Santa Inês sheep were distribuled individually in metabolic crates, equiped with waterer and feeder, for forage and concentrate. The treatments were four isoproteic and isoenergetic concentrates containing 16% of crude protein, and 3,300 Kcal of digestible energy with levels of 0% in control diet, 1% calcitic limestone, 1% calcium carbonate and 1% of magnesium oxide. The experiment was designed in a completely randomized split-splot model in a period of nine days, seven days for adaptation and two for collection, with four treatments and four replicates of one animal each constitution. The averages of the treatments were compared by the Scott-Knott´s test. The pH of the ruminal fluid at zero hour after a concentrate intake, for treatments were 7.65; 7.88; 7.32 and 7.66 and for four hours 6.42; 6.65; 7.56 and 6.56 respectively. The average levels of urea for zero hour were 24.83; 26.86; 21.96 and 28.53 mg/100 mL and for four hours were 27.20; 28.99; 23.65 and 48.07 mg/100 mL, respectively for all treatments. The average values of blood glucose for zero hour were 67.07, 65.08; 60.51 and 62.22 mg/ 100 mL and for four hours were 74.49; 65.85; 70.70 and 66.51 mg/100 mL, respectively. The calcium carbonate was the most efficient for the ruminal pH control, four hours after a concentrate intake.Item Frequência de anticorpos contra o vírus da diarréia viral bovina em bovinos do entorno de Goiânia, em regime de Criação semi-extensivo(José Henrique Stringhini, 2000-12) Guimarães, Patrícia Lorena da Silva Neves; Chaves, Nilo Sérgio Troncoso; Silva, Luiz Antônio Franco da; Acypreste, Cléverson SantosSerum samples of 207 dairy cows were collected between December 1997 and November 1998, in an attempt to estimate the prevalence of antibodies against the bovine viral diarrhea virus (BVDV). The sera were tested by the enzyme-linked immunosorbent assay (ELISA) and by serum neutralization (SN). The prevalence for BVDV was 47,83% as detected by ELISA or 52,17% by the SN technique. There was no statistically significant difference between the tests. Regarding the reactivity of sera for both tests, the prevalence of antibodies was 54,11% for the studied region.Item Freqüência de anticorpos contra o vírus da diarreia viral Bovina em bovinos, em regime de criação semi-extensivo(José Henrique Stringhini, 2001-06) Guimarães, Patrícia Lorena da Silva Neves; Chaves, Nilo Sérgio Troncoso; Silva, Luiz Antônio Franco da; Acypreste, Cléverson SantosSerum samples of 207 dairy cows were collected between December 1997 and November 1998, in attempt to estimate the prevalence of antibodies against the bovine viral diarrhea virus (BVDV) in indigenous cattle. The sera were tested by the enzyme-linked immunosorbent assay (ELISA) and by serum neutralization (SN). The prevalence for BVDV was 47,83% as detected by ELISA or 52,17% by the SN technique. There was no statistically significant difference between the tests. Regarding the reactivity of sera for both tests, the prevalence of antibodies was 54,11% for the studied region.Item Importância do manejo no controle da mortalidade de bezerros em uma propriedade rural de exploração mista de bovinos(2001-08) Silva, Luiz Antônio Franco da; Acypreste, Cléverson Santos; Dias, Francisco de Carvalho; Fíoravantí, Maria Clorinda Soares; Ramos, Ludmíla de Souza; Teixeira, Patrícia AlesíThis study was made in a farm (Goiás State) wíth 1000 ha and 650 crossbreed cows. In 1994, the calves mortalíty rate was 18,65%. The mortalíty causes were tíck fever (20,80%), díarrheas (19,20%), desnutrítíon (12,00%) pneumonia {11,20%) and onfaloflebítís {8,00%). After to stablísh a materníty paddock, delívery attendance, navel desínfectíon, colostrum admínístratíon to newborn calves, food supplementatíon to the calves and traíníng the workers, the calves mortalíty rate reduced slowly in the next years. In 1995 thís rate was 9,39%, in 1996 and 1997 haas 6,45% and 4,67% respectívely. Therefore, ít was possíble to observe that símple management changes reduced the mortalíty rate in thís farm.Item Soroprevalência de brucelose em equinos com bursite cervical ou nucal(2001-06) Silva, Luiz Antônio Franco da; Acypreste, Cléverson Santos; Eurides, Duvaldo; Machado, Gilberto Valente; Dias Filho, Francisco de Carvalho; Fioravanti, Maria Clorinda Soares; Ramos, Ludmila de SouzaFifty-two horses (mal e and female), witb bursitis of withers or atlantal, fistulous or not, were analysed for brucelosis. Blood samples were collected from the jugular vein and sent to the laboratory for diagnose using the fast soroagglutination test. Interpretation of the results considered positive the animais with title equal or superior 1/50. lt was found that 38 animais (73.1 % ) were positive. Among the animals carring fistulous bursitis, 21 (91.3%) were cosidered positives. ln 17 farms (53.7%), were horses are raised with cattle, brucellosis was diagnosed in cattle.