ArticleArchives of Razi Institute2022
Effect of Oregano Essential Oil Combined with Live and Killed Newcastle Disease Vaccines on Immune Response in Broilers Chicks in Erbil, Iraq: A Comparative Study.
Article in Archives of Razi Institute, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 3 citations in OpenAlex.
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3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
This trial was conducted to evaluate the effects of oregano essential oil supplementation at the concentration of 50 mL/1000L of drinking water on immune response and growth performance in broiler chickens. A total of 390 one-day-old Rose chickens were housed together in six experimental boxes (n=65 each), including non-vaccinated groups and non-vaccinated oregano treated groups. Group A: vaccinated with LaSota vaccine via eye drop at 5-, 15-, and 28-day-old adding oregano essential oil in drinking water 1 day post-vaccination. Group B: vaccinated with LaSota vaccine via eye drop at 5-, 15-, 28-day-old only without oregano essential oil. Group C: vaccinated with inactivated Newcastle disease (ND) vaccine at 5-day-old via subcutaneous (SC) injection one dose adding oregano essential oil in drinking water 1 day post-vaccination for 3 days. Group D: vaccinated with inactivated ND vaccine at 5-day-old via SC injection one dose only without oregano essential oil. Group E: non-vaccinated as the control group. Group F: non-vaccinated and adding oregano essential oil for 3 days in drinking water as the control group. The effect of oregano essential oil in drinking water combined with two forms of live and killed ND virus vaccines on the immune responses and serum proteins was investigated in broiler chickens. The results showed the significant effect of oregano on the immune response of chicks in groups D and C that were vaccinated with the killed vaccine at 23- and 33-day-old. Based on the findings, a peak was recorded at 38-day-old with a significant difference (
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