tes de coriza infecciosa, dependientes del factor V La coriza infecciosa es una enfermedad cosmopo- inactivada polivalente contra el coriza aviar. PDF | The bacterium Haemophilus paragallinarum is the etiological agent of infectious coryza, an upper respira- tory disease of poultry. Aquí se revisa la epizootiología de la coriza infecciosa, enfermedad del tracto respiratorio superior de . Chlamydia psittaci y el virus de la viruela aviar en.
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¿Como Curar el Ojo Hinchado en los Pollos (Coriza Infecciosa Aviar)
Epiz ; 15 4: The HIA titers measured when evaluating the birds for NDV do not suggest an ongoing infection, but rather demonstrate the efficacy of the vaccine. The large number intecciosa individuals reactive to these microorganisms could be related to the eventual appearance, at the 21 st w eek of age, of clinical signs and lesions typical of an acute respiratory process affecting the upper airways, characterized by sero-catarrhal rhinitis, blepharitis, conjunctivitis, facial edema and genital hypoplasia.
Avian Pathol ;32 6: Centro Nacional de Sanidad Agropecuaria; It affects poultry at any age, but its expressions are more severe in young individuals under intensive production systems, causing problems for the adequate application of biosafety management procedures This study evaluated the positivity for O.
The sera underwent serial two-fold dilutions in PBS at pH 7. The serological kinetics of the intecciosa population vaccinated against avian infectious bronchitis evidenced a second seroconversion event, probably due to the circulation of this infectious agent.
Avicultura Profesional ;25 2: These outbreaks not only affect their genetic, productive and breeding aviwr, but result in significant economic losses due to decreases in egg and meat production and increases in medication expenses. The control of BI in Cuban flocks in intensive production systems is implemented through the immunization of replacement layer pullets and aaviar evaluation of the serological response of layers, which enables the examination of the level of protection or the detection of viral cotiza if antibody levels are monitored at different time points infecciksa vaccination 33, This paper is therefore aimed at the evaluation of serological response to microbiological agents commonly associated with chronic respiratory syndrome in laying hens.
Survey acute respiratory syndrome vaccine development: Valencia, in 38pointed out that different variants of aIBV continue to appear, and many of them are found circulating among otherwise healthy chickens. This result coincides with that of Cavanagh in 44which suggest that several doses of the aIBV vaccine provide greater protection; and those of Acevedo in 45showing that antibody titers can be maintained for a longer period, but start to decline 3 months after vaccination.
They were obtained from a Poultry Production Unit of the province of Havana, and identified by wing bands. World Poultry ;25 6: However, a significant, persistent increase in positivity for O.
All plates contained control wells of 4 HAU and erythrocytes. Accepted for publication in July, Sampling Blood samples were taken monthly from week 12 and up to week 50, by puncturing the marginal vein of the wing. In the light of this result, we concluded that no association of NDV with CRS could be detected in the population analyzed.
Several authors have reported that the association of M. However, for an infection with M. Atenas, Estados Unidos; The present study has detected birds reactive to M. Merial-Cerval, Georgia, Estados Unidos; World Poult ;23 5: Crespo del Pilar M. The analysis of the geometric means of the titers of antibodies against aIBV Figure 3 revealed an increase in this parameter starting at week 16 and peaking at week Sandra Cuello and Julia Noda, from the National Center for Agricultural Health, for their cooperation in the interpretation of the serological results.
Copy of Laringotraqueitis infecciosa aviar by CELSO LOPEZ LOPEZ on Prezi
However, another significant increase in Ab titers against aIBV is detected at week 33 among otherwise asymptomatic individuals. Alzamora L, Andina I. The reaction was scored as positive if it yielded visible, defined clumps within that infevciosa Rev Salud Anim ;26 1: No serological responses against Newcastle Disease Virus were corzia. Avicult Profes ;24 1: This process followed a chronic course, affecting the lower airways and resulting in facial tumefaction with a hard consistency leading to loss of vision, muco-fibrinous rhinitis, cachexia, serosal atrophy of subcutaneous fat and the coronary ridge, focal pneumonia of the anteroventral unilateral lobule and diarrhea.
Cuba, where the poultry stock undergo extensive immunization following the established mass-scale vaccination programs and where biosafety procedures and practices are enforced, still experiences outbreaks of respiratory disease with high morbidity and low mortality in laying hens. In addition, a fourth dose of the NDV vaccine was applied, due to the low proportion of responding individuals avisr to the HIA titers after the third dose. The incidence of pneumotropic viruses is often controlled through the implementation of biosafety management practices coirza the application of live or inactivated vaccines that elicit a specific immune response Using clinical samples from these birds, which had high antibody titers against aIBV, Acevedo et al.
Similarly, we would like to extend our appreciation to Drs.
Complejo respiratorio de las aves. When studying the proportion of birds reactive to M. However, recent reports have also demonstrated the participation of highly pathogenic strains of Mycoplasma synoviae that cause typical CRS lesions 8.
Evaluation of three different vaccination regimes against Newcastle disease in central Anatolia Turk.
This confirms the efficacy of the vaccine, as underscored by Viamontes et al.