Givaldo B. Silva Filho

ORCID: 0000-0003-4077-4329
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Plant Toxicity and Pharmacological Properties
  • Plant and fungal interactions
  • Reproductive Physiology in Livestock
  • Microbial infections and disease research
  • Veterinary Oncology Research
  • Neurological diseases and metabolism
  • Insect and Pesticide Research
  • Toxin Mechanisms and Immunotoxins
  • Botanical Research and Chemistry
  • Herpesvirus Infections and Treatments
  • Mycobacterium research and diagnosis
  • Trace Elements in Health
  • T-cell and Retrovirus Studies
  • Iron Metabolism and Disorders
  • Vector-Borne Animal Diseases
  • Dermatological and COVID-19 studies
  • Mycotoxins in Agriculture and Food
  • Bee Products Chemical Analysis
  • Hypertrophic osteoarthropathy and related conditions
  • Animal Law and Welfare
  • Probiotics and Fermented Foods
  • Allelopathy and phytotoxic interactions
  • Milk Quality and Mastitis in Dairy Cows
  • Prion Diseases and Protein Misfolding
  • Carbon and Quantum Dots Applications

Universidade Federal Rural de Pernambuco
2016-2024

Centro de Tecnologias Estratégicas do Nordeste
2023

Esse artigo tem por objetivo analisar o processo de produção socioespacial do bairro das Rocas, em Natal, como espaço da pobreza e crime, ao longo primeiras décadas século XX. A partir análise fontes jornais locais, textos memorialísticos, fotografias outros documentos, busca-se compreender essa forma estereotipada representar bairro, característica classe dirigente, contribuiu para a perpetuação uma dinâmica que resultou processos segregação podem ser vistos até hoje. Por meio um conjunto...

10.21680/1984-817x.2025v1n01id38426 article PT Revista Espacialidades 2025-04-22

ABSTRACT: Numerous plant species worldwide including some Ipomoea (Convolvulaceae) and Sida (Malvaceae) in Brazil cause lysosomal storage disease herbivores are known to contain swainsonine calystegines as the main toxic compounds. The aim of this work was determine concentrations Convolvulaceae from semiarid region Pernambuco. Seven municipalities Moxotó were visited nine collected screened for presence using an HPLC-APCI-MS method. concentration these alkaloids within same different very...

10.1590/1678-5150-pvb-5945 article EN cc-by Pesquisa Veterinária Brasileira 2018-11-01

ABSTRACT: The aim of this study was to report the clinical and pathological aspects an outbreak poisoning by ingestion Ricinus communis leaves in a herd goats at Pernambuco, northeastern Brazil. Within 3-5 hours after ingesting sprouts young shrubs plant, twenty Toggenburg female two adults crossbred wethers presented acute neurological signs, which were initially characterized decreased locomotor activity that later evolved severe ataxia, depression, incoordination staggering gait. Four...

10.1590/1678-5150-pvb-5992 article EN cc-by-nc Pesquisa Veterinária Brasileira 2019-02-01

ABSTRACT: The aim of this paper is to describe the first report spontaneous poisoning by Prosopis juliflora in sheep. From flock 500 sheep at risk, four adult male were affected. One died spontaneously and three other examined, euthanized necropsied. Neurologic examination focused particularly on motor sensory-cranial nerve function, complete blood counts, serum biochemistry urinalysis done. evolution disease was chronic present signs poisoning, had ingest a diet containing least 80% P. pods...

10.1590/s0100-736x2017000200003 article EN cc-by Pesquisa Veterinária Brasileira 2017-02-01

ABSTRACT: The clinical, pathological and reproductive aspects of an outbreak copper deficiency in dairy goats kids from the semiarid region Pernambuco, Brazil are described. Ten adult with clinical signs four presenting enzootic ataxia born deficient does were separated herd, examined. In goats, average serum concentration was 6.1±2.8mmol/L iron 39.5±8.2mmol/L. kids, 3.8±0.9mmol/L 38.5±4.1mmol/L. Clinical consisted pale mucous membranes, anemia, emaciation, diarrhea, achromotrichia, brittle...

10.1590/1678-5150-pvb-7162 article EN cc-by-nc Pesquisa Veterinária Brasileira 2022-01-01

ABSTRACT: The aim of this work was to describe the epidemiological, clinical and pathological aspects two outbreaks spontaneous poisoning caused by Froelichia humboldtiana in cattle Pernambuco, northeastern Brazil reproduce experimentally cattle. Spontaneous poisonings primary photosensitization occurred farms at municipalities Cachoeirinha São Caetano affected twenty-two adult bovines suckling calves after rainy season. All have recovered 21 days they were removed from pasture. To...

10.1590/1678-5150-pvb-6351 article EN cc-by-nc Pesquisa Veterinária Brasileira 2020-01-01

A Febre Catarral Maligna (FCM) é uma doença infecciosa viral que afeta bovinos e cujo agente etiológico o herpesvírus ovino tipo 2 (OHV-2). No nordeste brasileiro a tem sido subnotificada restringindo-se poucos relatos. Neste trabalho descreve-se um surto de FCM em propriedade situada no município Limoeiro, Agreste Pernambuco. O rebanho era formado principalmente por ovinos da raça Santa Inês, composto 140 animais diferentes fases criação, além lote 40 mestiços nelore criados sob regime...

10.26605/medvet-n3-1793 article PT cc-by-nc-sa Medicina Veterinária (UFRPE) 2017-12-31

ABSTRACT: Cases of periodontitis in sheep from the Agreste and Zona da Mata regions Pernambuco, Northeastern Brazil, are described. Information on breed, age sex affected animals as well clinical pathological aspects disease were obtained during farm visits. Fifteen a total 450 Santa Inês sheep, aged between three twelve years, showed low body condition score, dull coat, difficulty feeding followed by pain palpation mandibular region. Physical examination oral cavity post mortem findings...

10.1590/1678-5150-pvb-7074 article EN Pesquisa Veterinária Brasileira 2022-01-01

ABSTRACT: The aim of this work was to describe the epidemiological, clinical and pathological aspects spontaneous poisoning by Merremia macrocalyx in cattle Pernambuco state, northeastern Brazil, experimentally replicate plant. To determine occurrence poisonings, 30 farms were visited six municipalities at Forest Zone Pernambuco. plant found nine farms, which history cattle, occasionally sheep also reported. Three outbreaks poisonings studied. disease experimentally, two steers received a...

10.1590/1678-5150-pvb-6335 article EN cc-by-nc Pesquisa Veterinária Brasileira 2019-07-01

ABSTRACT: Talisia esculenta, commonly known as pitombeira, is a tree which fruits are widely consumed by human beings in northeastern Brazil. The aim of this work to describe the epidemiological, clinical and pathological aspects two outbreaks spontaneous poisoning T. esculenta cattle dry region Pernambuco, cases occurred municipalities São Bento do Una Belo Jardim. From total 25 adult cattle, eight become sick after ingest leaves fruits. Four died until 72 hours first signs; consisted...

10.1590/1678-5150-pvb-6362 article EN Pesquisa Veterinária Brasileira 2019-12-01

ABSTRACT: This report aimed to describe a case of peripheral neuropathy in copper-deficient goat, and highlights the clinical, pathological features disease. The goat had low body score, hyporexia, alopecia, achromotrichia, left hindlimb protraction, paralysis with dragging digit difficulty stand up microcytic normochromic anemia. Copper concentration serum was markedly lower (2.0µmol L-1) whereas iron content significantly increased (51.0µmol L-1). main gross alteration reduction quadriceps...

10.1590/0103-8478cr20170248 article EN cc-by-nc Ciência Rural 2017-09-02

Neoplasia is one of the main causes euthanasia in geriatric captive nondomestic felids. However, few studies have examined oral tumors these animals. We describe here clinicopathologic features gingival squamous cell carcinoma (SCC) 2 lions ( Panthera leo) from separate zoologic collections. In both cases, had a history sialorrhea, bloody discharge, and anorexia. Autopsy findings were similar characterized by poorly circumscribed, friable, masses with grossly apparent invasion mandibular...

10.1177/10406387241236748 article EN Journal of Veterinary Diagnostic Investigation 2024-03-11

ABSTRACT: This study aimed to report a leiomyosarcoma associated with acute abdomen and uterine torsion in an 8-year-old, nulliparous, white-collared peccary (Tayassu tajacu) kept under human care. The animal presented two-day clinical history of abdominal bulging, vaginal discharge, abdomen. Ultrasound findings indicated intrabdominal tumor, exploratory laparotomy followed by emergency ovariohysterectomy was performed remove the tumor. Grossly, right horn exhibited firm, friable tumor...

10.1590/1678-5150-pvb-7442 article EN cc-by Pesquisa Veterinária Brasileira 2024-01-01

Newcastle disease virus (NDV), also known as avian paramyxoviruses 1 (APMV-1) is among the most important viruses infecting species. Given its widespread circulation, there a high risk for reintroduction of virulent strains into domestic poultry industry, making surveillance wild and birds crucial process to appropriately respond novel outbreaks. In present study, we investigated an outbreak characterized by identification sick pigeons in large municipality Northeastern Brazil 2018. The...

10.3390/v14071579 article EN cc-by Viruses 2022-07-21

RESUMO: O objetivo deste estudo foi avaliar os aspectos clínicos e patológicos da deficiência de fósforo em caprinos no semiárido Pernambuco. Para isso, visitas técnicas foram realizadas diferentes propriedades na microrregião do Sertão Moxotó durante o período estação seca. Realizaram-se exames clínicos, determinação atividade sérica cálcio total ionizado, fosforo sérico, magnésio, razão Ca:P, proteína total, albumina, globulina percentual cinzas ósseas. Biopsias ósseas região hipocondríaca...

10.1590/1678-5150-pvb-5395 article PT cc-by Pesquisa Veterinária Brasileira 2018-06-01

ABSTRACT: Swainsonine-containing plants comprise a group of important poisonous in Brazil. This research aimed to characterize both the behavioral changes related reproduction and appearance lesions reproductive system bucks poisoned by Ipomoea brasiliana. I. brasiliana were collected administered at dose 4g/kg (800µg swainsonine/kg) two groups for 45 days. Goats from Group I euthanized on 46th day experiment, goats II 120th day. III was composed that did not receive experiment. Reproductive...

10.1590/0103-8478cr20180061 article EN cc-by-nc Ciência Rural 2018-10-25

ABSTRACT: Mastitis is a multifactorial disease and considered one of the most critical problems in dairy industry worldwide. The condition characterized by reduced milk several abnormalities mammary gland. This study aimed to report an outbreak gangrenous mastitis caused multidrug-resistant Staphylococcus haemolyticus Santa Inês sheep herd. Eighteen were affected, five them with severe clinical pictures examined. pathological picture variable apathy, anorexia, emaciation, opaque brittle...

10.1590/1678-5150-pvb-6658 article EN cc-by-nc Pesquisa Veterinária Brasileira 2020-12-01

The aim of this study was to describe the epidemiological, clinical and pathological aspects spontaneous poisoning by Thiloa glaucocarpa in cattle semiarid region Paraíba Pernambuco, Brazil.Eight adult were examined those, five necropsied.The main signs consisted dehydration, dry nose, ascites subcutaneous edema.Renal function tests resulted significant changes.The gross macroscopy fluid accumulation abdominal thorax cavities, edema lungs, tissues, perirenal tissue abomasal...

10.24070/bjvp.1983-0246.v10i3p111-116 article EN Brazilian Journal of Veterinary Pathology 2017-11-29

ABSTRACT: This research described the radiological, clinical and pathological aspects of hypertrophic osteoarthropathy in a seven-year-old Santa Inês ram. The main features were lameness thoracic pelvic limbs, rigid, cracking enlarged humeroradial, humeroulnar tibiofemoral joints, cervical spine stiffness, severe lordosis thoracolumbar vertebrae. Dyspnea, nasal discharge abdominal breathing also observed. On radiographic examination osteoarthrosis with formation osteophyte bridging,...

10.1590/0103-8478cr20191038 article EN cc-by Ciência Rural 2020-01-01

ABSTRACT: Glässer’s disease is an important infectious disorder of swine caused by Haemophilus parasuis. Although well recognized in most regions Brazil, outbreaks have not been described Northeastern region. For this reason, three municipalities the Pernambuco State were visited order to identify histories high mortality growing and finishing pigs. The main clinical signs consisted dry cough, apathy, fever, anorexia, paresis, muscle tremors, motor incoordination, seizures leading rates....

10.1590/1678-5150-pvb-6642 article EN cc-by-nc Pesquisa Veterinária Brasileira 2020-09-01

ABSTRACT: Equine coital exanthema is a venereal infectious disease poorly reported in horses Brazil and was never described the northeastern region of country. This work aims to describe clinical pathological aspects an outbreak equine caused by equid alphaherpesvirus 3, occurred herd at semiarid State Rio Grande do Norte. Main signs consisted anorexia, hiporexia, fibrinous or purulent secretion penis mucosa vagina. Two mares presented mild minimal lesions that scars vagina perivulvar...

10.1590/1678-5150-pvb-6877 article EN cc-by-nc Pesquisa Veterinária Brasileira 2021-01-01
Coming Soon ...