Evaluation of the Efficacy of a Modified Live Escherichia coli Vaccine in Commercial Laying Hens Against Field Challenges at 23 or 44 Weeks of Age
In Indonesia, colibacillosis outbreaks in commercial layer flocks characterized by acute mortality and suboptimal egg production are still common. The aim of this study with duration of 46 weeks was to evaluate the protective effects of a modified live E. coli vaccine (Poulvac® E.coli) in laying...
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| Main Authors: | , , , |
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| Format: | Article PeerReviewed |
| Language: | English |
| Published: |
World Veterinary Poultry Association
2019
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| Subjects: | |
| Online Access: | https://repository.ugm.ac.id/277211/1/prosiding_WVPAC%20full-pages-1-3%2C6%2C15%2C26%2C207-208%2C488.pdf https://repository.ugm.ac.id/277211/ http://wvpac2019.com |
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| Institution: | Universitas Gadjah Mada |
| Language: | English |