Tài nguyên được gắn thẻ với: Newcastle Disease Vaccine
2 đề mục được tìm thấy (Hiển thị 1 - 2)
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		This manual discusses the development of a Newcastle disease virus for use in the production of vaccine for village flocks.
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		19-01-1987 Newcastle disease virus can infect many bird species, and the domestic chicken is particularly susceptible. Highly virulent strains of the virus are endemic throughout Asia, where they cause greater economic loss than any other poultry disease. Vaccination can reduce losses. However, most...