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Trials for preparation of bivalent inactivated oil vaccine against egg drop syndrome and infectious coryza, diseases in laying hens [electronic resource].

By:

Awad, M. B

Contributor(s):

Kamal, O. E

Description: p.95-106Uniform titles:

Veterinary medical journal, 2005 v.53 (1) [electronic resource].

Subject(s):

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Full Text Article.

In: Veterinary Medical Journal 2005.v.53(1)Summary: Twelve inaclivaled oil adjuvanted vaccines (4 for EDS) virus, 4 for Haemophilus paragallinarum and 4 for bivalent' vaccines) Were prepared by using different ratios of Tween 80, span 80. Hydrophile lipophile Balance (HLB) was determined for all vaccines. It was found that combined vaccine protected chicken against infectious coryza and egg drop syndrome (EDS) diseases with no interferelice between them in immuhe response of chicket. The vaccines that have HLB of 4.98 resulted higher 'antibody titers more than those have5.4,6.01 and 6.58 HLB respectively.

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Twelve inaclivaled oil adjuvanted vaccines (4 for EDS) virus, 4 for Haemophilus paragallinarum and 4 for bivalent' vaccines) Were prepared by using different ratios of Tween 80, span 80. Hydrophile lipophile Balance (HLB) was determined for all vaccines. It was found that combined vaccine protected chicken against infectious coryza and egg drop syndrome (EDS) diseases with no interferelice between them in immuhe response of chicket. The vaccines that have HLB of 4.98 resulted higher 'antibody titers more than those have5.4,6.01 and 6.58 HLB respectively.

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