Correlation of haemagglutinin-neuraminidase and fusion protein content with protective antibody response after immunisation with inactivated Newcastle disease vaccines

Maas, Riks; Komen, M.M.C.; Diepen, Michiel van; Oei, H.L.; Claassen, Ivo

doi:10.1016/s0264-410x(03)00249-4

Cited by 42 publications

(13 citation statements)

References 23 publications

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“…The causes of vaccine breakdown can be explained by vaccine quality (mainly antigen content), immune suppression of the host, and/or antigenic variation of NDV (16,21,31). Out of the 54 ND cases for which information on vaccination was available, 90.7% had a history of vaccination, and 44.4% of ND cases were diagnosed from the flocks that had been vaccinated more than two times against NDV (data not shown).…”

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confidence: 99%

Variation of a Newcastle Disease Virus Hemagglutinin-Neuraminidase Linear Epitope

Cho¹,

Kwon

Kim

et al. 2008

J Clin Microbiol

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confidence: 99%

Variation of a Newcastle Disease Virus Hemagglutinin-Neuraminidase Linear Epitope

Cho¹,

Kwon

Kim

et al. 2008

J Clin Microbiol

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“…Before sequencing, the antigen was extracted from the vaccines as described in ref. 15: Vaccine (2 ml) was mixed with 8 ml of isopropylmyristate (Sigma). The mixture was centrifuged at 1,000 ϫ g for 10 min, and the water phase was Chickens were challenged with 0.2 ml of diluted allantoic fluid containing 10 6 EID50 per ml (0.1͞ml intranasally and 0.1 ml intratracheally) of A͞Chicken͞Netherlands͞621557͞03.…”

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confidence: 99%

Quantification of the effect of vaccination on transmission of avian influenza (H7N7) in chickens

Goot

Koch

Jong

et al. 2005

Proc. Natl. Acad. Sci. U.S.A.

216

154

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Recent outbreaks of highly pathogenic avian influenza (HPAI) viruses in poultry and their threatening zoonotic consequences emphasize the need for effective control measures. Although vaccination of poultry against avian influenza provides a potentially attractive control measure, little is known about the effect of vaccination on epidemiologically relevant parameters, such as transmissibility and the infectious period. We used transmission experiments to study the effect of vaccination on the transmission characteristics of HPAI A͞Chicken͞Netherlands͞03 H7N7 in chickens. In the experiments, a number of infected and uninfected chickens is housed together and the infection chain is monitored by virus isolation and serology. Analysis is based on a stochastic susceptible, latently infected, infectious, recovered (SEIR) epidemic model. We found that vaccination is able to reduce the transmission level to such an extent that a major outbreak is prevented, important variables being the type of vaccine (H7N1 or H7N3) and the moment of challenge after vaccination. Two weeks after vaccination, both vaccines completely block transmission. One week after vaccination, the H7N1 vaccine is better than the H7N3 vaccine at reducing the spread of the H7N7 virus. We discuss the implications of these findings for the use of vaccination programs in poultry and the value of transmission experiments in the process of choosing vaccine.SEIR model ͉ highly pathogenic avian influenza ͉ final size ͉ generalized linear model ͉ reproduction ratio H ighly pathogenic avian influenza (HPAI) is a disease of poultry caused by H5 or H7 AI A strains, with mortality that ranges up to 100%. The number of outbreaks in the last few years has been

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“…It has been shown that low levels of humoral antibody may be related to disease susceptibility (Parmentier et al, 2004). Serum hemagglutination inhibition antibody is a valid indicator because it is directly effective against NDV in the humoral immunity of chickens (Maas et al, 2003). In the current study, the addition of enzymes to the diet increased antibody production against NDV in broiler from 14 to 42 days of age.…”

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confidence: 51%

Efficacy of phytase and glycanase enzymes on the performance, serum mineral levels and antibody titer against newcastle disease virus (NDV) of broilers fed nutritionally marginal diets

Ghahri¹,

Toloei²,

Gardali³

et al. 2013

Afr. J. Agric. Res.

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An experiment was conducted from 1 to 42 day post hatching to determine the effects of a microbial phytase (Natuphos) and glycanase preparations with predominantly xylanase and β-glucanase (Feedzyme) on the performance, serum mineral levels and antibody titer against newcastle disease, of broilers fed nutritionally marginal diets. A completely randomized experimental design was used, and chicks were divided into 5 treatment groups, with 4 replicates per treatment and 10 chicks per replicate. Diets were corn-wheat-soybean meal based with the same nutritional specifications, differing only in the concentration of Ca and nonphytate P (Ca-nPP). Treatments were: (1) diet with the energy of 2900 kcal/kg and 0.63% Ca and 0.28% available P, without enzyme (CTL+);T2) diet with the energy of 2900 kcal/kg and 0.63% Ca and 0.28% available P, without enzyme (CTL−); 3, 4 and 5) diet with the energy of 2900 kcal/kg and lower level of Ca and P (experimental group 2) respectively comprising 600,800,1000 phytase unit/kg of diet from Natuphous and 42,70,98 Xylanase unit/kg and 60,100,140 β-glucanase unit/kg of diet from feedzyme. Antibody titers against Newcastle disease were increased by incremental phytase and xylanase addition in experiments. These finding indicates that broilers consuming a ME, Ca, P-deficient corn-soybean meal-wheat diet can achieve maximum humoral immunity when phytase, xylanase and β-glucanase is supplemented to 1000, 98 and140 unit/kg diet. Performances of chicks fed with low-Ca-nPP diets plus phytase, xylanase and glucanase were comparable to those obtained with the low-Ca-nPP and adequate-Ca-nPP diets. Enzymes supplementation increased plasma Ca level (P > 0.05) but had no significant effect on plasma P level.

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Correlation of haemagglutinin-neuraminidase and fusion protein content with protective antibody response after immunisation with inactivated Newcastle disease vaccines

Cited by 42 publications

References 23 publications

Variation of a Newcastle Disease Virus Hemagglutinin-Neuraminidase Linear Epitope

Variation of a Newcastle Disease Virus Hemagglutinin-Neuraminidase Linear Epitope

Quantification of the effect of vaccination on transmission of avian influenza (H7N7) in chickens

Efficacy of phytase and glycanase enzymes on the performance, serum mineral levels and antibody titer against newcastle disease virus (NDV) of broilers fed nutritionally marginal diets

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