Adriano Tony Ramos

Federal University of Santa Catarina | UFSC · Campus de Curitibanos

Background: Knowing the different diseases that affect the herds of a region is a fundamental necessity, because sanity is one of the main factors limiting animal production. Several studies have reported the diseases affecting the animals of various regions of Brazil; however, no such study was carried out in the state of Tocantins so far. Thus, t...

O carcinoma rico em lipídios (CRL) é um tipo de neoplasia mamária maligna canina atípica pertencente aos carcinomas especiais. Este relato teve por objetivo descrever lesões macroscópicas e microscópicas de um CRL mamário em um cão. No exame post mortem foram encontrados múltiplos nódulos bilaterais de consistência firme nas mamas torácicas e abdom...

The study evaluated the effect of transportation over long distances on cattle muscle tissue of submitted to emergency slaughter in slaughterhouses in northern Tocantins, Brazil. The evaluations consisted in pH, muscle and liver glycogen, muscle histopathology and creatine kinase (CK), alanine aminotransferase (ALT) and aspartate aminotransferase (...

The objective of this work was to quantify the economic losses caused by a botulism outbreak among beef cattle in a semi-containment regime. The animals were fed corn silage and commercial feed and had access to a pasture of Guinea grass ( Panicum maximum ). Of the 150 steers in the herd, 22 (14.6% morbidity rate) presented clinical signs compatibl...

The aim of this report was to describe the clinical-pathological data of a case of clinical mastitis in a 20-day postpartum Holstein cow who presented udder edema and rupture of the ventral subcutaneous abdominal vein, and then died. This animal showed an increased volume of the left iliac fossa region, an increase in the size of the udder, and a m...

The use of organophosphates has been recommended for fish, especially the trichlorfon to control parasites. Colossoma macropomum were exposed to trichlorfon during 96 hours and of total number of mucous cells decreased in the number of cells when compared to the control group. Glycoproteins acid, acid sulphated and neutral was identified in the gil...

The aim of this report was to describe the clinical-pathological data of a case of clinical mastitis in a 20-day postpartum Holstein cow who presented udder edema and rupture of the ventral subcutaneous abdominal vein, and then died. This animal showed an increased volume of the left iliac fossa region, an increase in the size of the udder, and a m...

Celtis iguanaea (Jacq.) Sarg., Cannabaceae, is popularly used in the treatment of diabetes mellitus. However, chemical and pharmacological investigations are lacking. In this study, we investigated the effects of the hydroalcoholic extract from C. iguanaea on markers of cardiovascular diseases and the glucose metabolism in cholesterol-fed rats. The...

Jatropha curcas cake, a by-product of biodiesel production, is rich in protein and has potential to be used in livestock feed; however, the presence of antinutritional factors and phorbol esters limits its use. Thus, this study investigated toxicological and reproductive effects in male Wistar rats after subchronic exposure toJ. curcascake subjecte...

Celtis iguanaea is popularly used in the treatment of diabetes mellitus. However, thorough chemical and pharmacological investigations regarding its activity are lacking. In this study, we investigated the effects of the hydroalcoholic extract from C. iguanaea (CI) on markers of cardiovascular diseases and the glucose metabolism in cholesterol-fed...

The present study aimed to describe, for the first time in Tocantins State, the epidemiological, clinical, and pathological aspects of an outbreak of Combretum glaucocarpa poisoning in cattle. From a herd of 200 cattle that had access to the plant, 70 animals died. The signs were swelling of the posterior thigh, groin, perineum, scrotum, ventral ab...

This study examined the level of crude glycerin in total replacement of soybean oil and partial replacement of corn in diets for tambaqui without ingredient interfering on the growth performance of these animals. The study was conducted at the Federal University of Tocantins, evaluating five levels of crude glycerin inclusion (0%, 7.5%, 10%, 12.5%,...

Systemic hypertension is known to be a common consequence of chronic renal disease, which is frequently diagnosed in dogs with visceral leishmaniasis. Although many veterinary investigations have looked at the renal injury caused by Leishmania spp., the role played by this complication in the development of arterial hypertension documented in some...

Congenital heart diseases are not commonly diagnosed in wild animals. It is not surprising that few reports exist in the literature, so that prevalence of these anomalies is unknown in wild species. We report a case of a ventricular septal defect documented in a free-ranging crab-eating fox ( Cerdocyon thous ). This animal presented with rapid, lab...

The cardiotoxicity of Coffee senna (Senna occidentalis) was investigated in sheep that were fed diets containing its seeds, which are recognized as the most poisonous part of such weed. Dianthrone, the main toxic component of S. occidentalis, is known to impair mitochondrial oxidative phosphorylation, leading to myofiber degeneration. In this study...

This study describes for the first time a case of coligranulomatosis in broilers in the state of Tocantins. Three males from a farm (flock of approximately 300 birds), with approximately 60 days of age, were sent to the Veterinary Pathology Laboratory of the Universidade Federal do Tocantins. The birds were necropsied and tissue samples were sent f...

This study describes for the first time a case of coligranulomatosis in broilers in the state of Tocantins. Three males from a farm (flock of approximately 300 birds), with approximately 60 days of age, were sent to the Veterinary Pathology Laboratory of the Universidade Federal do Tocantins. The birds were necropsied and tissue samples were sent f...

Samanea tubulosa é uma planta utilizada na fitoterapia e na alimentação animal. Entretanto, a ingestão de vagens de S. tubulosa tem sido associada à ocorrência de abortos em bovinos. Assim, o objetivo do trabalho foi investigar os efeitos da dieta contendo 5% de vagens de S. tubulosa em ratos machos e fêmeas Wistar. A dieta foi administrada para ra...

Considering the rapid expansion of fish farming in intensive systems and the use of hybrids in Brazil, the study regarding the breeding capacity of the most recent hybrid is of ecological importance. If these animals are fertile, they may breed with the parental species in the wild and can negatively affect the genetic variability of the population...

Considerando a rápida expansão da piscicultura em sistemas intensivos e do uso de hí­­bridos no Brasil, o estudo sobre a capacidade de reprodução do hí­­brido é de importí­¢ncia ecológica. Caso estes animais sejam férteis, podem afetar negativamente a variabilidade genética da população (espécies parentais em estado selvagem). Fragmentos das gônada...

Rumen papillae keratinization, cell glycogen and chemical composition of the meat from young bulls fed different levels of concentrate and babassu mesocarp bran Queratinização das papilas ruminais, glicogênio celular e composição química da carne de tourinhos alimentados com níveis de concentrado e farelo do mesocarpo do babaçu Abstract This study...

Ependymoma is a rare tumour of the central nervous system that can vary in anatomical location and produce a broad range of clinical signs. Sporadically described in dogs, cats, cattle and horses, this disease has never previously been reported in a mule. This report describes a case of a 12-year-old mule showing neurological signs, including blind...

Os abscessos do sistema nervoso, geralmente são provenientes de focos primários de infecção em qualquer parte do corpo, que se espalham através do sistema circulatório. Os sinais clínicos variam conforme o número, localização, tamanho e velocidade de desenvolvimento do abscesso. Este estudo tem como objetivo relatar as características clínicas, pat...

Um equídeo (mula) de aproximadamente 12 anos de idade, apresentava histórico de sinais neurológicos progressivos como cegueira, disfagia e incoordenação, ao longo de três meses. À avaliação clínica, observou-se decúbito esternal, depressão, apatia e emaciação. Devido ao estado crítico do animal, optou-se pela eutanásia. Na necropsia, foi observada...

Colibacilose é qualquer infecção localizada ou sistêmica causada pela Escherichia coli. A coligranulomatose (doença de Hjarre) é uma forma incomum da colibacilose sistêmica, mas que pode provocar taxas de mortalidade de 75% em um criatório de aves. Surtos ocorrem em aves criadas em baixos padrões sanitários, más condições ambientais ou durante o cu...

The present experiment aimed to perform histopathological, muscle and liver glycogen and muscle pH analyses of cows dead during transportation, and submitted to necropsy in slaughterhouses inspected by Federal Agencies, in Araguaína - TO, Brazil, from January to July 2013. Six affected animals dead during transportation and submitted to necropsy co...

The objective of this work was to evaluate the productive performance, carcass yield and blood proteins of 200 male broilers (Cobb 500) on the 821 days of age period, fed diets based on corn and soybean meal containing 0, 6, 12 and 18 % of babassu (Orbignya martiana) mesocarp flour (FMB), distributed in a completely randomized design with four trea...

Fire gun euthanasia is a widely used method on Equine Infectious Anemia positive horses in Brazil. Death occurs by massive destruction of brain tissue and the degree of damage depends on the gun, projectile, and shooting precision. Cranial bone lesions of eight horses euthanized and brain lesions on two of those animals were evaluated. This study a...

Tissue fragments for histopathological analysis from 12 cows that were submitted to emergency slaughter under federal inspection, in a slaughterhouse in the region of Araguaína-TO, between january and june 2013, were sent to the Laboratório de Patologia Veterinária da Universidade Federal do Tocantins. The most significant changes were fine vacuoli...

A mule of approximately 12 years old was admitted to the Hospital Veterinário Universitário da Universidade Federal do Tocantins, presenting acute signs of bilateral blindness, dysphagia, incoordination, prostration (sternal recumbence), depression and apathy. Following clinical evaluation, the animal was euthanized. At necropsy, an ovoid nodule, f...

As preocupações dos consumidores sobre bem-estar animal e a qualidade dos alimentos estão fortemente presentes na atualidade. A qualidade da carcaça pode ser comprometida por contusões que ocorrem durante o processo do manejo pré-abate. Objetivou-se avaliar o manejo pré-abate, relacionando a frequência de lesões presentes nas carcaças bovinas na re...

Since little information is available regarding cellular antigen mapping and the involvement of non-neuronal cells in the pathogenesis of bovine herpesvirus type 5 (BHV-5) infection, it were determined the BHV-5 distribution, the astrocytic reactivity, the involvement of lymphocytes and the presence of matrix metalloproteinase (MMP)-9 in the brain...

Fire gun euthanasia is a widely used method on Equine Infectious Anemia positive horses in Brazil. Death occurs by massive destruction of brain tissue and the degree of damage depends on the gun, projectile, and shooting precision. Cranial bone lesions of eight horses euthanized and brain lesions on two of those animals were evaluated. This study a...

The purpose of our retrospective study was to evaluate 85 histopathologic examinations performed at the Laboratório de Patologia Veterinária (LPV) of the Escola de Medicina Veterinária e Zootecnina (EMVZ) of Universidade Federal do Tocantins (UFT) between the years 2008 and 2012 in cattle, sheep, horses, pigs and goats. Seventy one specimens were o...

Leishmaniases are a group of chronic systemic infectious diseases caused by intracellular protozoa of the genus Leishmania. In the present study the authors aimed to investigate Leishmania spp-induced lesions mainly to detect the presence of the parasite within the CNS and lymph nodes in dogs from the Araguaina region, Tocantins State, Northern Bra...

The objective of this work was to evaluate the productive performance, carcass yield and blood proteins of 200 male broilers (Cobb 500) on the 8-21 days of age period, fed diets based on corn and soybean meal containing 0, 6, 12 and 18% of babassu (Orbignya martiana) mesocarp flour (FMB), distributed in a completely randomized design with four trea...

Gap junctions are cellular structures that allow transit of molecules between cells, allowing intercellular signaling and transportation. They are formed by proteins denominated connexins and represent key structures in highly complex and integrated tissues, such as the central nervous system (CNS). The present study evaluates the effects of connex...

Resumo A compactação dos pré-estômagos é um transtorno digestório pouco frequente. E pode ter origem primária ou secundária. Os autores descrevem o primeiro relato de compactação ruminoabomasal causado pela ingestão de caule de bananeira (Musa sp.) em bovinos. Os casos ocorreram em duas vacas, mestiças de aptidão leiteira, com idades de 5 e 4 anos...

No estado do Tocantins, o efetivo dos rebanhos é de 7.994.200 bovinos, 171.545 equinos, 266.040 suínos, 108.062 ovinos e 25.167 caprinos (IBGE 2010), sendo assim, torna-se relevante o manejo sanitário dos animais de produção e o desenvolvimento de métodos diagnósticos eficientes, visto que, os resultados obtidos nesses estudos permitem a instalação...

Entre as principais causas de distúrbios da glândula mamária que acometem o rebanho leiteiro destacam-se a mastite e edema de úbere. A mastite pode ser clínica ou subclínica. A forma clínica cursa com dor, calor, rubor, tumefação do órgão e redução na produção de leite, e tem como um dos principais agentes etiológicos o Staphylococcus aureus (Cullo...

The increase in biodiesel production has led to higher production of crude glycerin, thus, numerous studies have highlighted the use of crude glycerin and glycerol as energy source to be used for animal feed production. However, its use has been closely watched because of the presence of contaminants such as methanol used in the process of separati...

Veterinary pathology specialists deal with a wide range of challenges in order to practice and provide useful results from analyzing deceased animals. The large number of species is certainly a first step that makes education in Veterinary Pathology so exciting. Knowing animal diseases is the basis of what we understand from comparative pathology a...

Objetivou-se avaliar o desempenho produtivo, rendimento de carcaça e proteínas do sangue de 200 frangos de corte (machos, Cobb 500), no período de 8 a 21 dias de idade, alimentados com dietas a base de milho e farelo de soja contendo 0, 6, 12 e 18 % de farinha do mesocarpo de babaçu (Orbignya martiana) (FMB), distribuídos em delineamento experiment...

Physic nut (Jatropha curcas) is a plant cultivated for biofuel production. Pericarp is a potential livestock food source by-product. However, its use may be limited due to the presence of toxic compounds, mainly phorbol esters. Thus, this study aimed to evaluate pericarp toxicity. Twenty sheep were divided in four groups, one control group which di...

Veterinary pathology specialists deal with a wide range of challenges in order to practice and provide useful results from analyzing deceased animals. The large number of species is certainly a first step that makes education in Veterinary Pathology so exciting. Knowing animal diseases is the basis of what we understand from comparative pathology a...

In Brazil 12 plants capable of inducing the "sudden death" are known, and are responsible for at least half of the deaths caused by poisonous plants in cattle. This paper describes a natural poisoning outbreak by Palicourea marcgravii in 150 cattle in the period between 2010 and 2011 on a farm in Campos Lindos, State of Tocantins, Brazil. Both anim...

The histopathological effects of the shells of J. curcas seeds on sheep were studied. Twenty 8-month-old clinically healthy male sheep were assigned to four groups of five animals each. Treatment groups received 15 (T1), 30 (T2) and 40% (T3) of their diet as shells of J. curcas seeds for 19 days, with the remainder of the diet as Panicum maximum cv...

Extensive grazing systems and sediment erosion as pastures degrade, induces the exposition to poisonous plants causing economic losses to livestock production. Thus, this study aimed to determine the poisonous plants of livestock interest in the Bico do Papagaio, North of Tocantins state, Brazil. Based on reports of 85 farmers in 20 counties the mo...

This study aimed to determine the poisonous plants of livestock interest in Araguaína region. A total of 87 farmers from 14 counties of northern Tocantins were interviewed and the properties were visited. According to reports, Palicourea marcgravii and Brachiaria decumbens were the main plants responsible for poisoning, in addition to outbreaks rep...

Buchenavia tomentosa Eichler is a common plant in Brazilian cerrado. Fruits of this plant are employed in human feeding and folk medicine. Cattle producers affirm that consumption of the fruits cause abortion in cows, and even death. Considering that the plant may be consumed by pregnant women and animals, the present study was undertaken to evalua...

The nutrients intake and histopathological occurrences were evaluated in sheep fed diets with increasing levels of inclusion (0%, 15%, 30%, and 45%) of Jatropha curcas dried and crushed fruit shell in substitution to Momba a grass hay. Twenty castrated male sheep were kept in metabolic cages and fed diets ad libitum (5 to 10% scraps were allowed)....

Perineuriomas are slow growing tumors, exclusively compound of well-differentiated perineurial cells. They are rare in human and canine. A dog was submitted to necropsy with a clinical diagnosis of myelin sheath tumor in the brachial plexus area. Slides of the tumor were treated with histochemistry and immunohistochemistry techniches and the diagno...

The aim of this study was to evaluate the role of connexin 32 (Cx 32) during remyelination of the peripheral nervous system, through a local injection of either 0,1% ethidium bromide solution or saline in the sciatic nerve of Cx 32 knockout mice. Euthanasia was performed ranging from 1, 2, 3, 7, 15, 21 to 30 days after injection. Histochemical, imm...

The ethidium bromide (EB) demyelinating model was associated with vitamin E (Vit E) and ebselen (Ebs) treatment to evaluate acetylcholinesterase (AChE) activity in the striatum (ST), hippocampus (HP), cerebral cortex (CC) and erythrocytes. Rats were divided into seven groups: I-Control (saline), II-(canola); III-(Ebs), IV-(Vit E); V-(EB); VI-(EB+Eb...

The Necrotizing Meningoencephalitis (NME) is an encephalopathy caused by an inflammatory dysfunction with necrotic characterization. The aim of this report is to describe the anatomopathological features of the NME in a Maltese dog. The disease has a unique necrotic pattern and is closely related to Pug Dog Encephalitis (PDE) because of their simil...

The medium frequency neuromuscular electrical stimulation (NMES) (Russa) or Kotz is designed for recuperation of muscle mass in dogs with muscular atrophy in disuse. This study aims to utilize medium frequency NMES on the femoral quadriceps of dogs with induced muscular atrophy and evaluate the occurrence of gain in mass. Eight dogs in two groups d...

A estimulação elétrica neuromuscular (EENM) de média freqüência (Russa) ou de Kotz pode ser empregada para a recuperação de massa muscular em animais apresentando atrofia muscular por desuso. Assim, o objetivo deste trabalho foi empregar a EENM de média freqüência no quadríceps femoral de cães com atrofia muscular induzida, avaliando-se a ocorrênci...

A Meningoencefalite Necrotizante (MEN) é uma encefalopatia causada por uma disfunção inflamatória de característica necrotizante. O objetivo deste relato é descrever os aspectos clínicos e anatomopatológicos da Meningoencefalite Necrotizante (MEN) em um cão Maltês. A doença tem um caráter necrótico único e está relacionada intimamente à Encefalite...

Empregou-se a estimulação elétrica neuromuscular (EENM) de baixa freqüência no músculo quadríceps femoral de cães com atrofia induzida e avaliou-se a ocorrência de ganho de massa nessa musculatura. Foram utilizados oito cães com pesos entre 15 e 30kg, distribuídos aleatoriamente em dois grupos denominados de I ou controle e II ou tratado. A articul...

Low frequency neuromuscular electrical stimulation (NMES) was used on the femoral quadriceps of dogs with induced muscular atrophy and the occurrence of gain in mass in these muscles was evaluated. Eight dogs from 15 to 30kg were randomly distributed in two groups named I, or control; and II, or treated. For the induction of muscular atrophy, the l...

Aiming at a complete study on all neoplastic lesions in farm animals (cattle, sheep, horses and swine), a retrospective review was performed covering a 24 years period (1978-2002) at the Regional Diagnostic Laboratory of the Veterinary School in Pelotas, Southern Brazil. The analysis included the review of epidemiological data and the standardizati...

Com o objetivo de realizar um estudo retrospectivo de tumores em animais de produção (bovinos, ovinos, eqüinos e suínos), foi realizada uma revisão nos casos suspeitos de neoplasmas recebidos pelo Laboratório Regional de Diagnóstico da Faculdade de Veterinária da Universidade Federal de Pelotas num período de 24 anos (1978-2002). Os aspectos epidem...

A crossbred 14-year-old castrated male cat had a history of lethargy, anorexia and weight loss of one month evolution. On clinical examination, anemia, emaciation, jaundice and a large mass in the abdomen were detected. Ultrasonography revealed hepatomegaly and a single splenic mass. The cat was submitted to biopsy and euthanatized during the surgi...

Low frequency neuromuscular electrical stimulation (NMES) was used on the femoral quadriceps of dogs with induced muscular atrophy and the occurrence of gain in mass in these muscles was evaluated. Eight dogs from 15 to 30kg were randomly distributed in two groups named I, or control; and II, or treated. For the induction of muscular atrophy, the l...

A retrospective study of peripheral nerve tumors was made from 1964 to 2004. The tumors summed up 12, being seven schwannomas and five neurofibromas. Schwannomas were composed of spindle-shaped cells either in a palisading pattern or random bundles loosely textured and neurofibromas by spindle cells. The connective tissue components were more preva...

A retrospective study of peripheral nerve tumors was made from 1964 to 2004. The tumors summed up 12, being seven schwannomas and five neurofibromas. Schwannomas were composed of spindle-shaped cells either in a palisading pattern or random bundles loosely textured and neurofibromas by spindle cells. The connective tissue components were more preva...

Três cães, fêmeas, da raça Weimaraner apresentaram tremores corporais rítmicos generalizados a partir da primeira semana de vida. Outros dois cães, machos, da mesma ninhada não apresentaram alterações. Uma fêmea com quatro semanas de idade foi submetida à eutanásia e necropsiada. Macroscopicamente, observou-se no encéfalo pouca demarcação da substâ...

A two year-old female mongrel dog was presented with dysphagia and focal swelling at the thyroid region. Two masses were surgically removed from that site. The dog died a few days after surgery and it was not submitted to necropsy. The diagnosis of thyroid carcinosarcoma was based on malignant epithelial and mesenchymal cell components of the neopl...

Oxidative stress is an important molecular mechanism for kidney injury in mercury poisoning. We studied lycopene, a potent carotenoid found in tomatoes due to its large antioxidant properties, and also evaluated the ability of lycopene to prevent HgCl(2) nephrotoxicity. Rats were injected with HgCl(2) (0 or 5 mg/kg body weight, subcutaneously) 6 hr...

Multiple fibrohistiocytic nodules in the spleen of a 7-year-old female Rottweiler were reported. The diagnosis was made by histology and immunohistochemistry; cells were positive for ED1, CD18, vimentin and lysozyme. The dog was euthanatized three months after the tumor was diagnosed, due to severe clinical signs.

Squamous cell carcinoma is a malignant tumour of keratinocytes. There are several factors associated with the development of squamous cell carcinoma, including prolonged exposure to ultraviolet light, lack of a pigmented skin, lack of hair or a very sparse hair coat at the affected sites. A retrospective study of squamous cell carcinoma from 1978 t...

Leaves of Ateleia glaziovian Baill., dried in a 100º C oven for 16-20 hours, were given to seven crossbred cows, always as bolus. Two of them received 9 g/kg at 4 months of pregnancy. Three cows in the 8th month of pregnancy received daily doses of 1-2 g/kg of the leaves, until a total amount of 10, 21 and 28 g/kg/bw was reached. Two 8-month-pregna...

Leaves of Ateleia glaziovian Baill., dried in a 100 degreesC oven for 16-20 hours, were given to seven crossbred cows, always as bolus. Two of them received 9 g/kg at 4 months of pregnancy. Three cows in the 8th month of pregnancy received daily doses of 1-2 g/kg of the leaves, until a total amount of 10, 21 and 28 g/kg/bw was reached. Two 8-month-...

Two three-month-old puppies from the same litter were submitted to necropsy after a clinical history of purulent ocular discharge, diarrhoea and coughing. Grossly, the lungs were filled with fluid, firm and diffusely mottled with red and yellow areas. A clumped white-yellowish material with longitudinal stripes was loosely adhered to the esophagus....

RESUMO -O trabalho objetivou determinar as plantas tóxicas de interesse pecuário na região de Araguaína. Foram entrevistados 87 produtores rurais em 14 municípios do norte do Tocantins e foram realizadas visitas às propriedades. Segundo os relatos, a Palicourea marcgravii e a Brachiaria decumbens foram as principais plantas responsáveis por intoxic...