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| Registros recuperados: 60 | |
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| Cavaleiro,J. S.; Trindade,B. C.; Balderramas,H. A.; Haanwinckel,M. C.; Pinto,J. G. G.; Oliveira,S. L.; Paes,A. C.. |
| Mice genetically selected for high (H) and low (L) antibody production (Selection IV-A) were used as murine experimental model. The aim of the present work was to evaluate the macrophagic activity and to characterize the immune response in Mycobacterium bovis-AN5 infected mice (3X10(7) bacteria). The response profile previously observed in such strains was not similar to that obtained during M. bovis infection; however, it corroborated works carried out using Selection I, which is very similar to Selection IV-A regarding infection by M. tuberculosis and Bacillus Calmette-Guérin (BCG). Considering bacterial recovery, L IV-A mice showed higher control of the infectious process in the lungs than in the spleen, whereas H IV-A mice presented more resistance in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Immune response; Mycobacterium bovis; Biozzi mice. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992007000300006 |
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| Brandão,PE. |
| Rabies is a viral zoonotic infectious disease that affects mammals and is caused by genotypes/species of the Lyssavirus genus (Rhabdoviridae, Mononegavirales), with the genotype 1 (classic rabies virus - RABV) being the most prevalent. Despite continuous efforts, rabies is still an incurable disease that causes thousands of deaths amongst humans worldwide. Due to a wide range of hosts and the different evolutionary paths of RABV in each host, several host-specific variants have arisen in an ongoing process. The result of RABV replication in nervous tissues may lead to two opposite clinical outcomes, i.e., paralytic/dumb form and encephalitic/furious one. The paralytic form creates dead-end hosts mainly amongst herbivores, while the furious form of the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Rabies; Transmission; Disease ecology; Epidemiology; Immune response. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992009000200003 |
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| Manafi,M; Khalaji,S; Hedayati,M. |
| ABSTRACT The present study was carried out to determine the effects of the inclusion of a spore-forming probiotic (Bacillus subtilis) in laying Japanese quail diets as an alternative to growth-promoting antibiotics to help produce healthy eggs and meat. This experiment was conducted as a completely randomized design with three treatments (control, 0.05% bacitracin methylene disalicylate (BMD), or 0.1% Bacillus subtilis) of five replicates of 11 quails each. Feed intake and egg production were recorded daily on cage basis. Body weight was determined at the beginning and end of the trial (36 and 42 weeks). At the end of the experiment (42 weeks), antibodies against Newcastle disease and avian influenza, egg components, Haugh units, eggshell quality and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Japanese quails; Egg production; Gut health; Immune response. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2016000400599 |
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| Caron,LF. |
| Infectious bronchitis virus (IBV) of chickens is currently one of the main diseases associated with respiratory syndrome in domestic poultry, as well as with losses related to egg production. The etiological agent is a coronavirus, which presents structural differences in the field, mainly in the S1 spike protein. The immune response against this virus is complicated by the few similarities among serotypes. Environmental and management factors, as well as the high mutation rate of the virus, render it difficult to control the disease and compromise the efficacy of the available vaccines. Bird immune system capacity to respond to challenges depend on the integrity of the mucosae, as an innate compartment, and on the generation of humoral and cell-mediated... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chicken Bronchitis; Immune response; Vaccine. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2010000200007 |
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| Qaid,M; Albatshan,H; Shafey,T; Hussein,E; Abudabos,AM. |
| ABSTRACT The current experiment was conducted to evaluate the effect of stocking density (SD) on the performance and immunity of 1- to 14-d-old broilers. A total of 1836 one-day-old Cobb 500 broilers were housed at four different SD (30, 60, 90 and 120 chicks/m2). Body weight gain (BWG), feed intake (FI) and feed conversion ratio (FCR) were estimated on d 2, 5, 8, 11 and 14. Relative lymphoid organ weights, maternal antibody titers against IBV, IBD and NDV, and stress indicators were estimated on d 3, 6, 9 and 12.The results indicated that age significantly (p<0.001) affected the performance and immunity of broiler chicks. Stocking density significantly (p<0.001) affected the performance and physiological stress indicators of broiler chicks, but not... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Broilers; Immune response; Stocking density. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2016000400683 |
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| Karadas,F; Erdoğan,S; Kor,D; Oto,G; Uluman,M. |
| Abstract This study investigated the effects of the addition of different antioxidants to broiler diets on their live performance, liver antioxidant composition and concentrations, immune response, and meat and skin color. A total of 945 three-day-old Ross 308 broiler chicks of both genders were randomly allocated to one of nine dietary treatments (n=105), with three replicates 35 chicks per pen, as follows: T1: control (commercially available corn-and soybean-based broiler diet); T2: selenium (control+0.5 mg/kg Sel-PlexTMSe yeast); T3: vitamin E (control+200 mg/kg Kavimix-E-50 a-tocopherol acetate); T4: lutein (control+100 mg/kg 5% Lutein Beads XB); T5: lycopene (control+100 mg/kg 5% Lyco Beads XB);T6: canthaxanthin (control+25 mg/kg 10%... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Broiler; Antioxidants; Carotenoids; Performance; Immune response; Pigmentation. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2016000100101 |
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| Marietto-Gonçalves,GA; SMR,Curotto; Baptista,AAS; Donato,TC; Takahira,RK; Sequeira,JL; Andreatti Filho,RL. |
| Due to the constant evolution of industrial poultry production and the global emergence of bacterial resistance to antibiotics there has been an increasing interest in alternatives for the treatment of poultry salmonellosis, such as phage therapy and probiotics. The present study evaluated the effects of the oral administration of the bacteriophage P22 and of a probiotic, consisting of four Lactobacillus species, on the level of circulating heterophils containing a superoxide anion of one-day-old broilers challenged with Salmonella Typhimurium for seven days. It was concluded that the treatment with a probiotic with lactobacilli of broilers experimentally infected with Salmonella spp eliminates this pathogen by increasing the circulating levels of reactive... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Salmonellosis; Immune response; Respiratory burst; Poultry. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000300005 |
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| Silva,Janaina Della Torre da; Gravena,Rodrigo Antonio; Marques,Rafael Henrique; Silva,Vanessa Karla; Hada,Fabricio Hirota; Moraes,Vera Maria Barbosa de; Malheiros,Ramon Diniz. |
| The objective of this study was to assess the effect of the inclusion of passionflower (Passiflora alata) in diets on performance, behavior, heterophil/lymphocyte ratio (H/L), corticosterone plasma levels (CPL) and immune response of quails. The study was carried out using 192 birds, distributed in randomized blocks with 4 diets (0, 125, 250 and 375 and 0, 250, 500 and 750 mg of passionflower/kg of feed for the rearing and laying period, respectively), 8 replicates and 6 birds per experimental unit. The rearing period began when birds were 28 days of age and it lasted for 15 days. In this phase, it was evaluated daily feed intake, daily weight gain, feed conversion, viability, tonic immobility time, intensity of injuries, behavior, heterophil/lymphocyte... |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Behavior; Corticosterone; Heterophil/lymphocyte ratio; Immune response; Stress; Tonic immobility. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000700020 |
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| Biller-Takahashi,Jaqueline Dalbello; Takahashi,Leonardo Susumu; Marzocchi-Machado,Cleni Mara; Zanuzzo,Fabio Sabbadin; Sabioni,Rafael Estevan; Urbinati,Elisabeth Criscuolo. |
| The objective of this study was to evaluate the methodology to establish the hemolytic activity of alternative complement pathway as an indicator of the innate immunity in Brazilian fish pacu (Piaractus mesopotamicus), in addition to verifying the influence of β-glucan as an immunostimulant. Fish were fed with diets containing 0, 0.1 and 1% β-glucan, during seven days, and then inoculated with Aeromonas hydrophila. Seven days after the challenge, they were bled for serum extraction. The methodology consisted of a kinetic assay that allows calculating the required time for serum proteins of the complement to promote 50% lysis of a rabbit red blood cell suspension. The method developed in mammals was successfully applied for pacu and determined that the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: A. hydrophila; Β-glucan; Immune response; Pacu. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000200001 |
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| Lee,Hyuk Jun; Choi,In Hag; Kim,Dong Hyeon; Joo,Young Ho; Kim,Sam Churl. |
| ABSTRACT This study was conducted to estimate the effect of dietary supplementation with fermented fish meal on growth performance, blood metabolites, and fecal microflora in weaning pigs. A total of 180 weaned pigs ((Landrace ×Yorkshire) × Duroc; with average body weight of 6.0 kg) were randomly distributed among three dietary treatments (0, 0.2, and 0.5% fermented fish meal) in three replicate pens (20 heads per pen) in a completely randomized trial over three weeks. Addition of fermented fish meal to weanling pig diets had a linear effect on average feed intake and a quadratic trend on final body weight, average daily gain, and gain:feed ratio throughout the whole period (but not initial body weight). Hematocrit, monocyte, immunoglobulin G, and blood... |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Growth factor; Hormone; Immune response; Pig. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000500433 |
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| Vieira,Felipe do Nascimento; Jatobá,Adolfo; Mouriño,José Luiz Pedreira; Buglione Neto,Celso Carlos; Silva,Jairo Sousa da; Seiffert,Walter Quadros; Soares,Mariana; Vinatea,Luis Alejandro. |
| ABSTRACT The objective of this study was to evaluate the use of a diet supplemented with Lactobacillus plantarum on performance, immunological parameters, and bacterial microbiota of the digestive tract of white leg shrimp (Litopenaeus vannamei). We used six earthen ponds (1.2 ha) stocked with 14 shrimp m−2 (3 g mean weight). Three ponds received a diet supplemented with L. plantarum and three were maintained as control. The survival and feed efficiency of shrimp fed the supplemented diet were greater than that observed in shrimp fed the control diet, with survival values of 83.02±6.12% and 74.65±9.07% and feed efficiencies of 117.97±4.45% and 104.46±7.30%, respectively. However, we observed no differences in weight gain. The intestines of shrimp fed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Immune response; Lactobacillus; Microbiology. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000500203 |
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| Shabani,Roozbeh; Fakhraei,Jafar; Yarahmadi,Hossein Mansoori; Seidavi,Alireza. |
| ABSTRACT An experiment was conducted based on a completely randomized design with 500 Ross 308 broiler chickens to investigate the effect of three different sources of selenium on performance and characteristics of immune system. Chickens were arranged in 10 treatments and five repetitions (10 chickens for each repetition). Ten treatments of experimental diet were considered in the study, including a basal diet (control); 0.5, 0.8, and 1.2 mg nano-selenium + basal diet (three treatments); 0.5, 0.8, 1.2 mg selenomethionine + basal diet; and 65, 80, and 100 mg vitamin E + selenium + basal diet. Findings suggested that adding selenomethionine (1.2 mg) to the basal diet resulted in a significant effect on feed conversion ratio and weight of broilers. In fact,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Broiler; Immune response; Immunoglobin; Selenium. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100535 |
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| da Silva, Viviane Alcântara; Gamon, Thais Helena Martins; da Silva, Andréa de Cássia Rodrigues; Caporale, Graciane Maria Medeiros; Chaves, Luciana Botelho; Scheffer, Karin Corrêa. |
| The National Programme for Rabies Prevention aims to maintainimmunogenic protective levels in vaccinated animals, with titersof neutralizing antibodies (VNA) ≥ 0.5 IU / mL. The aim of thisstudy was to evaluate, according to age, race, and the periodof vaccination and blood collection, the immune response indogs that received a single dose of rabies vaccine virus in cellculture. In this study 432 samples received at the Pasteur Instituteof São Paulo in the triennium 2009-2011 were analyzed. Datawere analyzed and the evaluation of the VNA to rabies virus wasperformed by rapid fluorescent inhibition test foci (RFFIT). Of thetotal samples analyzed, 21.76% did not have protective titers.Among these, 67.02% samples were considered puppies andwhen the interval... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Neutralizing antibodies; Immune response; Dogs; Rabies; RFFIT; Anticorpos neutralizantes; Resposta imune; Cães; Raiva; RFFIT. |
| Ano: 2014 |
URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/23105 |
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| Schleder, Delano Dias; Jatobá, Adolfo; Silva, Bruno Corrêa da; Ferro, Daniel Paulo Damin; Seiffert, Walter Quadros; Vieira, Felipe do Nascimento. |
| Litopenaeus vannamei shrimp were reared in a bioflocs system and fed different levels of soybean protein concentrate as a replacement for fishmeal, and both immunological parameters of this marine shrimp and its resistance to Vibrio sp. infection (CPQBA 378-12 DRM01) were evaluated. Four different diets were formulated with 0, 33, 66 and 100 % of soybean protein concentrate as a substitute for fishmeal. Shrimp were reared in a biofloc system in twelve 800 L tanks (250 shrimp m-3) maintained at constant aeration and temperature. After 42 days, 36 animals (14.21 ± 0.89 g) per treatment were challenged with Vibrio sp. (1 x 105 CFU mL-1 – LD10), and hemolymph was collected before and after challenge to perform immunological assays (agglutination titer,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Immune response; Infection; Plant protein; Litopenaeus vannamei.. |
| Ano: 2018 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/42570 |
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| Vargas, Rodrigo Javier; Universidade Federal de Santa Catarina (UFSC); Dotta, Geovana; Universidade Federal de Santa Catarina (UFSC); Mouriño, José Luiz; Universidade Federal de Santa Catarina (UFSC); Silva, Bruno Correia da; Universidade Federal de Santa Catarina (UFSC); Fracalossi, Débora Machado; Universidade Federal de Santa Catarina (UFSC). |
| The immune modulatory activity of diet long chain polyunsaturated fatty acids in fish has been previously demonstrated, although results for freshwater species are controversial. This study evaluates the effect of different dietary lipids on freshwater catfish jundiá, Rhamdia quelen, survival and its non-specific response (phagocytosis) after being inoculated with the pathogen Aeromonas hydrophila. Five diets were offered to jundiá fingerlings during 150 days prior to challenge: cod liver oil (FO), sunflower oil (SO), linseed oil (LO), canola oil (CO) and coconut oil (CNO). Accumulated mortality was significantly lower in fish fed FO and CNO diets and higher in fish fed LO. In spite of the highest values observed for phagocytotic activity in CNO-fed fish... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.06.03.00-0 mortality; Phagocytosis; Oils; Immune response Mortality; Phagocytosis; Oils; Immune response. |
| Ano: 2013 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/19617 |
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| Registros recuperados: 60 | |
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