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Item Abordagem bayesiana e freqüentista em análise genética tricaráter para crescimento e reprodução de bovinos nelore(José Henrique Stringhini, 2008-09) Faria, Carina Ubirajara de; Magnabosco, Cláudio de Ulhôa; Albuquerque, Lucia Galvão; Reyes, Arcadio de los; Bezerra, Luiz Antônio Framartino; Lobo, Raysildo BarbosaThe Bayesian inference has been proposed as an alternative for estimating variance components instead of the frequentist approach. The objective of this study was to estimate the (co)variance components and genetic parameters of growth and reproduction traits in Nelore cattle using three-trait animal model by Restricted Maximum Likelihood and Gibbs Sampling. The data set had 15,173 and 6,911 records of weight (W365) and scrotal circumference (SC365) at 365 days of age, respectively, and 10, 388 records of age at first calving (AFC), from the Nelore Breed Genetic Improvement Program farms. The linear model included the contemporary groups and age-of-dam (with exception for AFC) as fixed effects, and residual and additive direct genetic effects as random. Estimates obtained by Restricted Maximum Likelihood were different from those found by Gibbs Sampling. There were no differences in genetic parameter estimates using the three levels of prior information by Gibbs Sampling. The Bayesian inference has advantages in relation to Frequentist approach due to marginal distributions which offer more information about the parameters.Item Abordagem cirúrgica para o tratamento da degeneração mixomatosa valvar mitral em cães(2014-07) Santos Júnior, Marcelo Borges dos; Matos, Bruna Dantas; Costa, Ana Paula Araújo; Nasciutti, Priscilla Regina; Carvalho, Rosângela de Oliveira AlvesMyxomatous mitral valve disease is probably the main dog heart disease around the world. This disease courses with structural disorganization of the mitral valve components, annular dilation and weakness of chordae tendineae. The pathogenesis of this disease is still not fully understood, but it is known that is a progressive and degenerative disease which pharmacological therapy is effective in reducing the progression of the disease but is not healing. In some cases the patient, despite adequate pharmacological treatment, develops congestive heart failure, in these cases this patients are good candidates for curative treatment, or surgical treatment. Therefore this review shows the most common surgery procedures for the treatment of mixomatous mitral valve degeneration.Item Abordagem sobre Salmonella sp. com enfoque na caracterização, patogênese e métodos de diagnóstico em aves(2011-05) Santana, Eliete Souza; Oliveira, Fábio Henrique de; Rocha, Tatiane Martins; Santana, Robson Rodrigues; Andrade, Maria AuxiliadoraCurrently, we have registered an increase of worldwide cases of Salmonella infections in both humans, as in commercial poultry, causing great economic losses, especially for the poultry industry and public health concerns. Considering the physiology of each individual, and the genetic factors that interfere in defense mechanisms, especially in the innate defense in face of assaults by microorganisms, it was proposed in this work. We tried to do a review with the aim of elucidating aspects, involving the characterization, pathogenesis and the main methods for diagnosis of Salmonella sp., and thus improve control measures in herds for breeding and minimize the risk of poisoning in humans humans.Item Aborto e morte neonatal por listeriose em ruminantes(2015) Ferreira Júnior, Jair Alves; Nascimento, Karla Alvarenga; Miguel, Marina PachecoThe abortion and premature death of calves are one of the main factors that cause economic losses to the cattle. This problem has multifactorial causes, which can be infectious or non-infectious, making it difficult to identify the agent asit requires proper collection of the material to be sent to specific laboratory for testing. Furthermore, a full epidemiological investigation is needed to enable a definitive diagnosis. The Listeria monocytogenes causes occasionally abortion, neonatal septicemia and death in ruminants, other domestic species and also to humans being. The diagnosis of listeriosis in cattle is based on epidemiological history, clinical signs, pathologic findings in adults, fetus and placenta, in addition to the isolation of the agent, which defines the diagnosis. The diagnosis may also be made by agent marking tissue by means of immunohistochemistry. The description of cases and epidemiological data of listeriosis as a cause of miscarriages and stillbirths in cattle is scarce, which makes it of relevance to conduct a review of the subject. Thus, this work brings a literature review on the listeriosis and clarifies the diagnostic methods employed to determine the causes of abortion and neonatal death in cattle.Item Abraçadeira de náilon: resistência à tração em testes físicos e seu emprego como cerclagem no fêmur de cães(José Henrique Stringhini, 2006-09) Miranda, Afonso Henrique; Silva, Luiz Antônio Franco da; Tavares, Gilberto Antônio; Amaral, Andréia Vitor Couto do; Miranda, Henrique Guimarães deThe cramp is a belt made of nylon 6.6 (polyamide – PA). It has been applied after sterilization in several surgical procedures, amongst these, the reduction of fractures of lengthy bones. In this study, firstly, it was evaluated tensile strength of these cramps using specific tests of physical effort, carried through in its natural and autoclaved conditions. Thereafter, qualitative evaluation of resistance was carried out applying the nylon cramp in oblique fractures reduction of femur in dogs, verifying the tensile strength and security of the safety catch after its fasten. The polyamide belt showed appropriate resistance to autoclaving, physical efforts and its application in the focus of fracture. Thus, it can be concluded that the nylon cramp has tensile strength in its natural state as well as in autoclaved condition and it can be an option in treatment of oblique fractures of femur.Item Abscesso prostático em cães: relato de 15 casos(2012-06) Alves, Carlos Eduardo Fonseca; Corrêa, Aline Gonçalves; Santos Júnior, Helvécio Leal; Elias, Fabiana; Costa, Sabrina dos Santos; Moura, Veridiana Maria Brianezi Dignani deFifteen cases of dogs with prostatic abscesses are reported. The animals were underwent to physical examination prioritizing the digital rectal exam with transabdominal palpation of the prostate gland followed by blood cell count, measurement of serum urea, creatinine, alanine aminotransferase and alkaline phosphatase levels, abdominal’s radiographic and ultrasound exams, and culture of the prostate. The animals were underwent to different treatments being related to the animal’s general state, location, size and quantity of prostatic abscesses. This description reiterates the importance of prostatic disease in canine medicine once the detailed physical examination associated with specific complementary tests, particularly x-ray and ultrasound, are valuable for the detection of dog’s prostatic diseases. Surgical procedures used here are effective to the treatment of prostatic abscesses with low mortality rate.Item Acepromazina associado à anestesia dos nervos pudendo e hemorroidal para exposição de pênis em bovinos e bubalinos(1997) Silva, Luiz Antônio Franco da; Eurides, Duvaldo; Rodrigues, Nara Martins Oliveira e; Paulo, Neusa Margarida; Fioravanti, Maria Clorinda Soares; Chaves, Nilo Sérgio Trancoso; Silva, Carla Afonso daThe present research evaluated the association of a local anesthesia, injected through the minor isquiatic foramen, with intramuscular acepromazine to expose the penis in bovines and buffalos. Forty bovines and five buffalos between 2 and 9 years old, of varying breeds and weights, were used. Using this association, the penis and intern foreskin leaflets were adequately exposed, which permitted demonstration of technique, diagnosis and surgical treatment of many pathological processes related to these structures. This technique is easy to perform and doesn't require major experience. Thus it can be used as a routine proceeding in on-farm surgical pratices.Item Ácido acético em rações de frangos de corte experimentalmente contaminadas com Salmonella Enteritidis e Salmonella Typhimurium(Universidade Federal da Bahia, 2008-09) Rezende, Cíntia Silva Minafra e; Mesquita, Albenones José de; Stringhini, José Henrique; Andrade, Maria Auxiliadora; Chaves, Leandro Silva; Minafra, Cibele Silva; Lage, Moacir EvandroAn experiment was performed with 200 chicks at 1 day old . Fowls were allotted in a completely randomized design with five treatments and four replications of 10 chicks, each. Ration was based on corn-soybean, formulated according to nutritional requirements and without any animal by-product or conservatives. This ration was experimentally contaminated with Salmonella Enteritidis and Salmonella Typhimurium and treated with acetic acid in five different concentrations (0, 0.5%, 1.0%, 1.5% and 2.0%) from eight to 21 days of age. Weight gain, feed intake and feed-to-gain ratio were evaluated and, simultaneously, the efficiency of acetic acid to reduce and/or eliminate, from experimental rations, the pathogen, at different supplementation levels . The presence of bacteria was evaluated from cloacal swabs and pool liver, heart and gall bladder of one fowl from each experimental replication. The acetic acid levels of 0.5%, 1.0% 1.5% and 2.0% influenced positively the weight gain and feed-to-gain ratio. When the Salmonella sp. recovering was analyzed in treated rations, the concentration of 1.5% acetic acid showed the highest reduction on bacterial contamination. Acetic acid at 1.5% concentration was effective to reduce Salmonella sp. contamination in ration, but not to eliminate concentrations.Item Ácido metacresolsulfônico associado a nitrofurazona e enrofloxacina no tratamento de sinusite em bovinos(1996) Fioravanti, Maria Clorinda Soares; Silva, Luiz Antônio Franco da; Eurides, Duvaldo; Moreira, Paulo César; Silva, Carla Afonso daTwenty five bulls were examined with frontal sinus infection caused by surgical dehorning. The animais were treated with metacresotsufonic acid and nitrofurazone applied into the paranasal sinus and parenteral administration of enrofloxacin. The procedure showed itself to be efficient.Item Ácidos graxos e o sistema cardiovascular(2015-12) Nasciutti, Priscilla Regina; Costa, Ana Paula Araújo; Santos Júnior, Marcelo Borges dos; Melo, Nayara Gonçalves de; Carvalho, Rosângela de Oliveira AlvesFatty acids are substances that are part of the constitution of lipid molecules and can be classified according to their chemical structure in saturated and unsaturated fatty acids. The ingestion of lipids represent one of the risk factors for developement of cardiovascular disease, classified as a major cause of death nowadays. Diets rich in saturated and trans-unsaturated fatty acids are responsible for the development of hypercholesterolemia, so their consumption is associated with an increased risk of developing cardiovascular diseases. Research involving unsaturated fatty acids of the ω-3 series, show that in humans, the fatty acids of this class promote cardioprotective effects by decreasing inflammatory process, preventing of arrhythmias, vasodilation and controling the levels of lipids in the blood. Therefore, the purpose of this article is to present an overview about the fatty acids and their effects on the cardiovascular system.Item Adição de água em rações para suínos em crescimento(2013) Farias, Leonardo Atta; Nunes, Romão da Cunha; Lopes, Eurípedes Laurindo; Stringhini, José Henrique; Oliveira, L. R.; Luna, Antonio Muñoz; Araújo, D. A.In order to evaluate the effects of adding water to mash diets on nutrients and energy digestibility, performance, water intake and quality of pig excrement at the growing phase, 12 barrows with initial weight of 44.0 ± 3.1 kg were used. For the digestibility trial, the animals were distributed into a randomized block design based on their weight. For the performance test, 18 barrows and 18 females with initial weight of 33.0 ± 3.5 kg were distributed into a completely randomized design. All animals were hybrids lineage Agroceres Pic. Treatment one consisted of a diet formulated to meet the animals' requirement. Treatments two and three consisted the following of water:feed ration (kg:kg) 1:1 and 2:1. There was no statistical difference among treatments for the coefficients of dry matter digestibility, gross energy, ether extract, calcium and phosphorus, and for the variables of performance, moisture, and fecal nitrogen and phosphorus. In absolute terms, the reduction of fresh water intake and of phosphorus excretion for animals receiving liquid diet is 17.81 % and 15.40 %, respectively. The addition of water to pig diets at growing phase does not influence the nutrients digestibility and the performance of the animals when they are fed twice a day.Item Adição de emulsificante nas rações de frangos de corte com redução dos níveis de energia metabolizável(Universidade Federal de Goiás, 2023-07-13) Oliveira, Marcus Vinícius Garcia de; Leandro, Nadja Susana Mogyca; Café, Marcos Barcellos; Santos, Raphael Rodrigues dos; Jacob, David Vanni; Pires, Marília FerreiraThis study aimed to evaluate the effect of including soy lecithin emulsifier (SL) in broiler diets on the reduction of metabolizable energy levels and to correlate it with nutrient metabolizability coefficients and the determination of apparent metabolizable energy (AME). Two metabolic trials were conducted in a completely randomized design, with a 3x2 factorial arrangement (feed with three levels of metabolizable energy, with or without the inclusion of an emulsifier in the diet), totaling six treatments. In the starter phase, chicks received feed with 2,950; 3,050; and 3,150 kcal/kg of metabolizable energy, with six replications of 10 birds each, totaling 360 birds. In the grower phase, 210 birds were used, with seven replications of five chicks, and the energy levels tested were 3,100; 3,150; and 3,200 kcal/kg of feed. In the starter phase, an interaction effect was observed, showing an increase in the nitrogen metabolizability coefficient (NMC) when adding the emulsifier to diets with reduced energy, as well as an effect of the emulsifier in increasing the AME corrected by the balance of nitrogen (AMEn). In the grower phase, an interaction effect was observed, showing an increase in AME and AMEn when adding the emulsifier to diets with lower energy levels. To sum up, emulsifier inclusion in broiler diets can reduce metabolizable energy while improving AMEn in both initial and grower phases, along with AME in growing broilers.Item Adição de óleo de copaíba (copaifera langsdorffii) e sucupira (pterodon emarginatus) na alimentação de poedeiras: qualidade física de ovos armazenados em diferentes temperaturas(José Henrique Stringhini, 2018) Oliveira, Geovana Rocha de; Lima, Cristiane Bovi de; Ribeiro, Luiza Maria Carvalho Soares; Café, Marcos Barcellos; Moreira, Janaina da Silva; Oliveira, Eduardo Miranda de; Racanicci, Aline Mondini CalilThe aim of this study was to evaluate the effects of the dietary supplementation of laying hens with natural oils on the quality of fresh eggs stored under refrigeration (R) and room temperature (RT). Hens were fed balanced corn-soybean diets supplemented with increasing levels of Copaifera langsdorffii (CP-0.03; 0.06 and 0.09%) or Pterodon emarginatus (SC-0.03 and 0.06%) oilresins plus a negative control (CN). Periodically, three eggs per treatments were evaluated for haugh unit (HU); yolk index (YI); yolk color (L*, a* e b*); yolk and albumen pH and percentages of shell (PS); albumen (PA) and yolk (PY). Statistical analysis was performed using a mixed model (SAS 9.3) and Tukey test. The supplementation of 0.06% CP and 0.03% SC preserved (p<0.05) HU in eggs stored in RT during 14 days, similarly to results found in R. In addition, dietary supplementation of natural oils helped to control pH levels in yolks during RT storage. In conclusion, the dietary supplementation of copaiba and sucupira showed positive effects on albumen quality and yolk pH for eggs stored at room temperature, however, no additional effect was found for eggs stored chilled.Item Aditivos alimentares como alternativa aos antibióticos promotores de crescimento em dietas para frangos de corte(2014-07) Nascimento, Gisele Mendanha; Leonídio, Angélica Ribeiro Araújo; Figueira, Samantha Verdi; Mota, Bárbara de Paiva; Andrade, Maria AuxiliadoraAntimicrobial compounds are commonly included in poultry diets for promotion of growth and control of diseases. However, because of the risk of possible drug resistence in human pathogenic bacteria, the European Union has banned feed grade antibiotic growth performance in animal diets. The ban creates the prospect of investing in research for innovative strategies and alternative products. There are number of non-therapeutic alternatives, including enzymes, prebiotics, probiotics, organics acids and phytogenics. their characteristics, modes of action, effects on performance and health of broilers are described in this review.Item Administração de acetato de melengestrol após inseminação artificial em tempo fixo em vacas Nelore lactantes(2014-06) Rodrigues, Moraima Castro; Leão, Karen Martins; Silva, Natália do Carmo; Silva, Rossane Pereira da; Viu, Marco Antônio de Oliveira; Cardoso, Lucas MoraisThe objective of the present study was to assess the effect of administration of Melengestrol Acetate (MGA® Premix) after FTAI, on the conception rate in lactating Nelore breed cows. Experiment I, assessed the effect of administration of 2.28 g MGA/cow/day, from day 13 (D13) until day 18 (D18) after FTAI. The cow were divided into two groups, Group I (n=83, control) that cows were submitted just to FTAI and Group II (n=104, treated) that cows received MGA after FTAI. Experiment II, assessed the effect of administration of 2.28g MGA/cow/day, from day 5 (D5) until day 10 (D10) after FTAI. The cow were divided into two groups, Group I (n=94, control) that cows were submitted just to FTAI and Group II (n=100, treated) that cows received MGA after FTAI. Gestation was diagnosed in both experiments 45 days after FTAI. The conception rates were analyzed by Qui-Square test. In experiment I, The conception rates were 42,16% for control group and 50,0% for treated group (p>0,05). In Experiment II, the conception rate of control group (47,87%) was higher than treated group (28,0%). It was conclude that administration of MGA®Premix from D13 until D18 after FTAI didn’t affect the conception rate. However, when administered from D5 until D10, reduced the conception rate in lactating Nelore breed cows.Item Aislamiento, viabilidad y rendimiento de células mononucleares de médula ósea de conejos(2011) Oliveira, Benito Juarez Nunes Alves de; Souza, Luiz Augusto de; Eurides, Duvaldo; Silva, Luiz Antônio Franco da; Baungarten, Letícia Binda; Busnardo, Camila AraújoThe aim of this study was to establish a cellular isolation protocol and evaluate the yield and viability of bone marrow mononuclear cells in rabbits. Thirty-two male adult New Zealand rabbits were used with 3.06 ± 0.24 Kg mean weight. A volume of 2.0 mL bone marrow was aspirated from the humerus of each animal. Samples were diluted in Dulbecco phosphate buffered saline (DPBS) and submitted to density gradient using Ficoll-Ipaque (1.077 g/mL) at a 2:1 rate. Subsequently, the material was centrifuged at 495g during 30 minutes, at 15 oC. The yield and cell viability were determined in Neubauer haemocytometer chamber, using trypan blue vital staining. A mean yield [±SD] of 6.65 [±4.18] x106 cells/mL was obtained and the mean viability [±SD] was 92.66 [±4.35] %. The protocol using density gradient was effective for the isolation, yield and viability of bone marrow mononuclear cells in rabbits in order to use them in cell therapy.Item Alternativas ao uso de animais no ensino da cirurgia veterinária e a Escola de Veterinária e Zootecnia da Universidade Federal de Goiás: revisão(2013) Rodrigues, Danilo Ferreira; Mendes, Fernanda Figueiredo; Silva, Luiz Antônio Franco daThe Veterinary Medicine courses have always embraced the use of animals for the surgery teaching. However, not all education institutions are concerned about the ethical conduct for this, and continue to use animals improperly and indiscriminately. This practice resulted in ethical and moral questions from the society, students and teachers, mainly due to the existence of alternatives instead of the animal use. For this reason, the surgery teaching in the schools of Veterinary Medicine has required adoption of conducts in order to prioritize animal welfare and do not compromise the quality of education. Nevertheless, the literature about the methodology of teaching veterinary surgery in Brazil is scarce and difficult to establish the current situation of teaching surgery in veterinary medicine in the country. The aim of this paper is to present, in the form of a literature review, a number of teaching techniques aimed at replacing animals for euthanasia after practice veterinary surgery, and to describe the current status of the School of Veterinary and Animal Science of the Federal University of Goiás related to this regard.Item Análise comparativa da morfometria do casco de bovinos das raças Nelore, Curraleira e Pantaneira e de bubalinos e sua relação com a etiopatogenia das enfermidades digitais(2015-04) Silva, Luiz Antônio Franco da; Campos, Suyan Brethel dos Santos; Rabelo, Rogério Elias; Vulcani, Valcinir Aloisio Scalla; Noronha Filho, Antônio Dionísio Feitosa; Freitas, Sabrina Lucas Ribeiro deMorfometric studies of bovine and buffalo digits can help to understand the etiopathogeny of digital diseases. This study described morphometric characteristics of digits of Curraleira (Bos taurus), Pantaneira (Bos taurus) Nelore (Bos indicus) breeds of cattle and Murrah buffalo (Bubalus bubalis) and stablish possible relation among the parameters and digital infirmities. Were used ten animals of each breed and specie. Two limbs were evaluated, a toracic and a pelvic, in a total of 80 distal limbs. Morphometric measurements were obtained using a graduated paquimeter and angles using a metallic protactor. The main parameters evaluated were hoof dorsal angle (A), dorsal wall length (B), heel height (C), toe height (D), hoof length (E), hoof diagonal hoof (F), lateral digit width (H), medial digit width (I) and medial digit length (J). For results averages comparison among breeds were used Tukey test (p<0,05). Multivariate analysys for graphic representations of canonic variables was used to express similarity of measures studied among groups, using R software. Results shows tha bubaline present higher morphometric measures for the variables B, C, D, E, F, G, H, I and J, only for variable A presented lower measures comparing the bovine breeds studied. There is similarity between the three breeds of cattle studied about toe height (D), lateral digit width (G) and medial digit width (H), which differed of values observed in buffalo. It was concluded that digital morphometry can influence the occurence of digital infirmities, but doesn´t act as an isolated factor, needing interaction of other structural, environmental and management factors for its occurence.Item Análise de crescimento em braquiária nos sistemas de plantio solteiro e consórcio com leguminosas(José Henrique Stringhini, 2004-03) Rosa, Sérgio Renato Artiaga da; Castro, Tomas de Aquino Portes e; Oliveira, Itamar Pereira deThis research evaluated the effect of the competition in the growth of the forage grass Urochloa brizantha cv Marandu (Brachiaria grass), in the systems of single and mixed planting with the leguminous plant forages Stylosanthes guianensis cv Mineirão (Stilozantes) and Neonotonia wightii cv Common (Perennial Soy). The experiment was carried out in a randomized block desgin with four replications and the treatments were: Brachiaria grass in a single system of planting; Brachiaria grass in mixed planting with the Perennial Soy and Brachiaria grass in mixed planting with the Stilozantes. For the growth analysis they were harvested aleatory plants in the soil level in each plot, and later carried to the laboratory of Vegetable Physiology of EMBRAPA - CNPAF. The rates of growth of the culture (TCC) of Brachiaria grass in the mixed systems of planting were lower in relation to the single system, and Stilozantes contributed in a more expressive way to the reduction of this rate. Considering that maximum TCC (kg.ha-1.dia-1) of Brachiaria grass they were obtained 84 DAE, to leaf area index (IAF) observed that the same date corresponded to the higher IAF, and it demonstrates that the mixed plantation didn’t affect the grass growing cycle, but affected the values obtained for TCC and IAF. It can be concluded that competition exists in the mixed plantation, what interferes in the appraised parameters in different ways.Item Análise do discurso de criadores de cavalo campeiro no sul do Brasil: instrumento de diagnóstico para conservação e fortalecimento da raça(2013) Solano, Gianice de Almeida; Silva, Marcelo Corrêa da; Rocha, Francisco Eduardo de Castro; Silva, Danilo Conrado; Lopes, Fernando Brito; Fioravanti, Maria Clorinda Soares; Sereno, José Robson BezerraThe Campeiro horse is a local breed from Southern Brazil. Currently, it is in risk of extinction. This study was undertaken to identify and sort out major topics related to Campeiro horse breeding based on the analysis of farmers´ conversation. Data were obtained by interviewing eleven Campeiro owners using a questionnaire and a portable audio recorder. Speech content analysis was carried out according to Bardin (2004). Two major categories emerged from 508 Elementary Context Units (UCEs): 1) Factors that influence the choice for horse breeding (58.66% of all UCEs); 2) Perceptions about the development of the breed (35.24%). Category 1 was divided in three primary subcategories (SP): Cultural Influence (subdivided in Traditionalism and Inheritance), Affection for horses (subdivided in Horses in general, and in Specific for Campeiro), and Purpose (subdivided into Leisure and Labor). The secondary subcategory (SS) “Specific for Campeiro” was divided into four tertiary subcategories: Docility, Rusticity, Resistance and Comfort. Category 2 was divided in two SP: Favorable perspectives (subdivided in Commercialization (22.35% of category 2) and Organization Structure (18.99%)). In general, category 1 revealed a strong local identity, considering local culture, family tradition and Campeiro breeding, besides the actual purpose of the horse and some advantages in using this breed. Category 2 revealed some perceptions about favorable and unfavorable issues for the near future.