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Navegando por Autor "ALBERNAZ, Tatiane Teles"

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    Afecções podais em vacas da bacia leiteira de Rondon do Pará
    (2009-11) SILVEIRA, José Alcides Sarmento da; ALBERNAZ, Tatiane Teles; OLIVEIRA, Carlos Magno Chaves; DUARTE, Marcos Dutra; BARBOSA NETO, José Diomedes
    Foot diseases are some of the main causes of low performance in dairy cows. In order to determine the prevalence, clinical classification and to establish the epidemio-logical factors of foot diseases in cows from basin milk of Rondon do Pará, 1,236 cows were evaluated and 275 had at least one type of foot injury. A total of 655 lesions was showed which a prevalence of 22.25%. Most frequent lesions were interdigital hyperplasia (80.92%), claw overgrowth (6.42%), and interdigital necrobacillosis (6.11%). Hind limbs were most frequently affected (61.83%), and lesions affecting the interdigital space were the most common in both the thoracic (36.34%) and hind limbs (48.09%). Epidemiological study showed that the environmental characteristics such as mountainous areas, newly formed grassland (with trunks and branches of trees), irregular ground, and mud and gravel in the floor of the pens may promote the development of foot lesions. In 95.5% of the farms, no measures had been taken for the control and prophylaxis of foot diseases. The specific clinical examination of the feet was efficient for the diagnosis.
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    Dermatite alérgica à picada de insetos em ovinos no estado do Pará
    (2011-02) BARBOSA NETO, José Diomedes; ALBERNAZ, Tatiane Teles; OLIVEIRA, Carlos Magno Chaves; DUARTE, Marcos Dutra; OLIVEIRA, Cairo Henrique Sousa de; BRITO, Marilene de Farias; SILVA, André Guimarães Maciel e
    A skin disease was studied in 159 sheep on 15 farms located in seven counties of northeastern and southeastern of the state of Pará and in one farm in the state of Roraima, Brazil. The disease affected mainly two to four year-old sheep of the Santa Ines breed and crossbreds. Clinical signs were characterized by alopecia, multifocal erythema, small papules, and crusts in several areas of the body, mainly around the eyes. Severe itching in the affected areas, restless, weight loss and lacrimation were also observed. Insects were always seen around the animals. Insects apparently associated with the lesions were captured and identified as pertaining to the genera Simulium and Hippelates. Biopsies of the skin lesions of 10 sheep revealed inflammatory non suppurative mononuclear infiltrates of the dermis with presence of eosinophils. The epidemiologic, clinical and pathological studies of the cases allowed the diagnosis of allergic dermatitis due to the insect bites.
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    Dermatite por lambedura em bovinos no estado do Pará
    (2011-02) BARBOSA NETO, José Diomedes; OLIVEIRA, Carlos Magno Chaves; ALBERNAZ, Tatiane Teles; SILVA, Natália da Silva e; SILVEIRA, José Alcides Sarmento da; REIS, Alessandra dos Santos Belo; SOUSA, Melina Garcia Saraiva de
    A condition of 13 cattle from 10 farms in six districts in the state of Pará, Brazil, characterized by ulcerative skin wounds was studied. The lesions were observed in regions of the body to which the cattle had access with their own tongue; the animals licked the wounds frequently. Epidemiological studies, pathological findings and the differential diagnosis indicate that the dermatitis is caused by licking. The wounds healed after restraining the head of the animals that then were unable to lick themselves.
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    Fatal bothropic snakebite in a horse: a case report
    (2011) SILVA, Natália da Silva e; SILVEIRA, José Alcides Sarmento da; ALBERNAZ, Tatiane Teles; CAMPOS, Karinny Ferreira; OLIVEIRA, Carlos Magno Chaves; FREITAS, Nayra Fernanda de Queiroz Ramos; BOMJARDIM, Henrique dos Anjos; BARBOSA NETO, José Diomedes
    The present study reports a snakebite in a horse in the state of Pará, Brazil. At initial evaluation the animal was reluctant to walk and had tachycardia, tachypnea, severe lameness, bleeding on the pastern and swelling around the left hind leg. Blood samples from the bleeding sites, took on the first day, showed leukocytosis and neutrophilia, whereas biochemical values of urea and creatinine were significantly increased. The chosen treatment was snake antivenom, fluid therapy, antibiotics, anti-inflammatory agents and diuretic drugs. On the fourth day of therapy, the hematological values were within normal parameters. There was improvement related to the clinical lameness and swelling of the limb. However, a decrease in water intake and oliguria were observed. On the seventh day the animal died. Necropsy revealed areas of hemorrhagic edema in the left hind limb and ventral abdomen; the kidneys presented equimosis in the capsule, and when cut they were wet. Moreover, the cortex was pale, slightly yellow and the medullary striae had the same aspect. Based on these data, we concluded that the snakebite in the present study was caused by Bothrops spp. and that renal failure contributed to death.
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    Fotossensibilização em ovinos associada à ingestão de Brachiaria brizantha no estado do Pará
    (2010-09) ALBERNAZ, Tatiane Teles; SILVEIRA, José Alcides Sarmento da; SILVA, Natália da Silva e; OLIVEIRA, Cairo Henrique Sousa de; REIS, Alessandra dos Santos Belo; OLIVEIRA, Carlos Magno Chaves; DUARTE, Marcos Dutra; BARBOSA NETO, José Diomedes
    Two outbreaks of photosensitization by Brachiaria brizantha were studied and an experiment was performed in Santa Inês and Dorper crossbred sheep, two to three months old, on a farm in Santa Luzia do Pará municipality. These animals were kept from birth until about two months of age in a suspended stall floor, fed purple elephant grass (Pennisetum purpureum cv. purple), and had minerals and water ad libitum. After this period they were placed into a paddock of B. brizantha. At the time of the outbreaks and the experimental studies, the farm was visited for epidemiological assessment and clinical examination of the sheep, collection of blood samples for measurement of gamma glutamyltransferase, aspartate aminotransferase, conjugated bilirubin, unconjugated bilirubin, urea, and creatinine. Pasture samples were collected for saponin determination and count of Pithomyces chartarum spores. Necropsies with collection of material for histopathological studies were performed. Outbreak 1 occurred at the time of low rainfall, when the grass was scarce and mature, and morbidity and lethality was 43.4% and 81.6%, respectively. Outbreak 2 occurred at the beginning of the rainy season, with morbidity and lethality rates of 16.3% and 76.9%, respectively. From the 50 animals in the experiment, 10 received three times 200ml of rumen fluid taken from mother sheep of the same batch. The first of these administrations was given one day before the sheep were introduced into the pasture and the other two at weekly intervals. After 15 days in the pasture, the animals were unquiet, looked for shade, had edema of the ears, yellowish mucosae, were apathic, had anorexia and showed sloughing of the skin followed by crusting in some areas of the body. Both, the sheep of the outbreaks as those from the experiment, showed increased levels of GGT, AST, BD, BI, BT, urea and creatinine. In sheep which received ruminal fluid the values of urea and GGT were similar to those which did not receive the ruminal fluid. The creatinine, AST and bilirrubine values were lower in sheep that received the ruminal fluid. Two types of saponins, methylprotodioscin and protodioscin, were detected in the samples of B. brizantha from the outbreaks and the experiment. The level of saponins in Outbreak 1 and 2 was 0.92% and 0.88% respectively. The levels of saponins in the experiment ranged from 1.13% to 1.62%. The numbers of spores of Pithomyces chartarum in both outbreaks and in the experiment were negligible. At necropsy there was widespread jaundice, the liver was brown-yellow with marked lobular pattern and increased consistency and the kidneys were enlarged yellowish-green. Histological changes occurred mainly in the liver and consisted of mild proliferation of bile ducts in portal tracts, presence of binucleate hepatocytes, foamy macrophages, necrosis of isolated hepatocytes, cholangitis, presence of crystals in hepatocytes and macrophages.
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    Intoxicação natural por Ipomoea asarifolia (Convolvulaceae) em búfalos na Ilha de Marajó, Pará
    (2012-09) BARBOSA NETO, José Diomedes; TOKARNIA, Carlos Maria Antônio Hubinger; ALBERNAZ, Tatiane Teles; OLIVEIRA, Carlos Magno Chaves; SILVA, Natália da Silva e; SILVEIRA, José Alcides Sarmento da; REIS, Alessandra dos Santos Belo; LIMA, Danillo Henrique da Silva
    Epidemiological aspects and clinical signs of natural poisoning by Ipomoea asarifolia in buffaloes are described. The poisoning was diagnosed in four buffaloes on three different farms, in the County of Cachoeira do Arari, Marajó Island, Pará, and occurred in November-December, a period of drought and severe pasture shortage. The clinical signs were of the central nervous system, as unsteady gait, hypermetria, severe muscular tremors, falling down in unusual positions, nystagmus and marked excitement, signs that turned more severe after movement. Based on the epidemic aspects, clinical signs and absence of histopatological changes, poisoning by Ipomoea asarifolia was diagnosed.
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    Lesões de pele causadas pelos espinhos de Mimosa pudica (Leg. Mimosoideae) nos membros de bovinos e ovinos no estado do Pará
    (2009-05) BARBOSA NETO, José Diomedes; SILVEIRA, José Alcides Sarmento da; ALBERNAZ, Tatiane Teles; SILVA, Natália da Silva e; REIS, Alessandra dos Santos Belo; OLIVEIRA, Carlos Magno Chaves; RIVERO, Gabriela Riet Correa; DUARTE, Marcos Dutra
    A condition of cattle and sheep characterized by ulcerous and granulomatous skin lesions of the legs was studied. Epidemiological data and the nature of the lesions indicate that they are caused by the thorns of Mimosa pudica (Leg. Mimosoideae). The disease was observed only in pastures largely infested by the plant, and animals recover quickly when moved from them.
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    Queilite angular traumática em eqüinos associada à ingestão de Panicum maximum
    (2009-05) BARBOSA NETO, José Diomedes; ALBERNAZ, Tatiane Teles; RIVERO, Gabriela Riet Correa; CERQUEIRA, Valíria Duarte; SOARES, Susiane de Oliveira; CAMPOS, Karinny Ferreira; OLIVEIRA, Carlos Magno Chaves; DUARTE, Marcos Dutra
    A condition with enlargement of the oral cleft in horses was studied. The enlargement of varied extension was uni or bilateral. The cheek mucosa of the labial commissure showed slight erosions. During chewing there was loss of small amounts of grass and saliva through the oral cleft. The affected horses were in good nutritional condition. Histopathological studies of tissues obtained by biopsia, revealed a superficial epidermitis. The pastures consisted of Panicum maximum grass (varieties Tanzânia, Mombaça, Tobiatã and Colonião) which was mature, tall, lignified, with leaves of cutting edges. Based on epidemiological, clinical and histopathological data, it was concluded that the lesions were caused by the hard grass, favored by the way horses pull the tall grass and chew it.
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    Surto de tétano em búfalos (Buballus bubalis) no estado do Pará
    (2009-03) BARBOSA NETO, José Diomedes; DUARTE, Marcos Dutra; OLIVEIRA, Carlos Magno Chaves; SILVEIRA, José Alcides Sarmento da; ALBERNAZ, Tatiane Teles; CERQUEIRA, Valíria Duarte
    An outbreak of tetanus in Murrah buffaloes in Belém, state of Pará, Brazil, is described. The outbreak was observed in a flock of 250 buffaloes, 80 of which were vaccinated intra-muscularly in the croup against rabies. Four buffaloes fell ill 15 to 19 days after vaccination, one died after a clinical course of 2 days, one was submitted to euthanasia in extremis on the 7th day after the onset of symptoms, and two others recovered within 2 weeks after treatment with penicillin for 4 days and anti-tetanic serum. The first symptoms observed were prolapse of the third eyelid, especially when the animal was stimulated, followed by a rigid walk, as difficulty in inflexing the members and lateral recumbence with the members extended, besides very open eyelids, sialorrhea, hyperexcitability, erect ears and slight lockjaw, and food accumulation in the oral cavity. At post-mortem examination was found a focus of yellowish pus in the croup muscles, where the vaccine had been applied. At histopathology no significant alterations in internal organs were observed. Based on the clinical picture, the epidemic data and absence of histological lesions, the diagnosis of tetanus was established. The infection was considered to be due to the use of dirty needles used during vaccination.
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