The Development of Newcastle Disease Vaccines
نویسندگان
چکیده
منابع مشابه
Thermostable Newcastle Disease Vaccines
Robust vaccines are required to protect village chickens against Newcastle disease. Thermostable vaccines derived from avirulent Australian strains of Newcastle disease virus (strains V4 and I-2) have proved successful for this purpose. These vaccines have been developed through ACIAR projects and have been adopted by other international aid agencies. It is now possible to offer integrated work...
متن کاملEvaluation of Quality of Two Commercial Oil-Emulsion Newcastle Disease Vaccines In-vivo and In-vitro
Background and Aims: Newcastle disease (ND) is a highly contagious disease in poultry with economic losses in the world. Vaccination is one of the most important ways for prevention and control of NDV, but there are reports of ND outbreaks in vaccinated chickens. Poor quality of the vaccines is one of the reasons of vaccine failure. In this study the quality of two commercial oil-emulsion Newca...
متن کاملEffect of the Commercial Mixed Live Newcastle Disease and Infectious Bronchitis Vaccines and the Use of Two Separate Vaccines Given Simultaneously on Systemic Antibody Responses
Background and Aims: The objective of this study was to investigate the effects of Newcastle Disease and Infectious Bronchitis vaccination programs in chickens. Materials and Methods and Results: In the present study, 225 day-old broiler chicks divided into 5 groups. The groups were submitted to vaccinations, except for the non-vaccinated control group. The chickens in the groups 1 were kept as...
متن کاملVaccination of Chicks with Experimental Newcastle Disease and Avian Influenza Oilemulsion Vaccines by ln Ovo Inoculation
متن کامل
The effect of mixed live vaccines of Newcastle disease and infectious bronchitis on systemic and local antibody responses in chickens
In the present study, 360 male day-old broiler chicks were used to determine the effect of mixed livevaccines of Newcastle disease (ND) and infectious bronchitis (IB) on serum and local antibody responses toIB. Chicks were randomly divided into 12 treatment groups of 3 replicates and reared for 40 days on floorpens. Groups 1 to 5 received mixed ND and IB vaccine. Groups 7 to 11 received IB vacc...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1951
ISSN: 0032-5791
DOI: 10.3382/ps.0300073