In ovo and Dietary Supplementation of Probiotics Affects Post-Hatch Expression of Immune-Related Genes in Broiler Chicks
In ovo and Dietary Supplementation of Probiotics Affects Post-Hatch Expression of Immune-Related Genes in Broiler Chicks
Journal of Immunobiology (Hilaris Publishing S.L) has announced almost 50% discount on article processing charge to commemorate its 12th Anniversary.
Journal of Immunobiology is an open access, peer-reviewed journal that focuses and welcomes submissions on all aspects of Immunobiology, Immunology, Autoimmunity, Innate Immunity, Adaptive Immunity, immunization, Immunogenetics, Immune Disorders, Immunodeficiency, Immune inflammation, Immunoinformatics, Clinical Immunology, Allergy & Immunology, Clinical & Vaccine Immunology, Inflammatory Disorders, Autoimmune Disorders, Immunotherapy and Immunopathology of infectious, allergic and autoimmune disease etc.
It gives us great pleasure to announce the call for paper on the occasion of 10th Anniversary of the Journal at special and hefty discount of up to 50 % on one-time article processing charge. Prospective academicians and scientists are encouraged to utilize this opportunity to get their articles reviewed, processed and published at relatively faster pace and at lower charges. In addition to this, the authors who publish with us during the year-long celebrations will also be eligible for academic awards recommended by the editorial panel.
The Archive page contains wide variety of articles such as Research / Review / Case reports / short communication / Mini review / Prospective / Letter to Editors Etc. We would like introduce a Research article which has been spread to the widest audience of experts; and thus increased in readership, citations and altimetry score.
Abstract: During the first week post-hatch, the neonatal chick is immunologically vulnerable and subject to infectious threats found in the environment. Probiotics are live, non-pathogenic microorganisms known to have a positive effect on the host by improving the natural balance of gut microbiota and promoting animal health. The objective of this study was to determine the effects of administering probiotics in ovo and in the diet on broiler chick hatchability, and post-hatch immune organ weights and ileal immune-related gene expression. At embryonic day 18, 1584 eggs were injected with nothing (Dry), 1 × 106, or 1 × 107 (P1 and P2 respectively) probiotic bacteria. The remaining 393 eggs were left non-injected to serve as a negative control. Immune organ weights and tissue samples were taken on DOH and d4, 6, 8, 14, and 20. No differences were observed for hatchability or relative bursa weights. Only on d6, the P2 birds receiving the probiotic-supplemented diet had larger spleens as a result of a 2-way interaction between in ovo treatment and post-hatch diet. Both in ovo and dietary administration of probiotics were able to modulate the expression of the immune-related genes in the ileum; however, expression patterns differed based on the gene, treatment, and time point evaluated. In conclusion, these results indicate that in ovo supplementation of this commercial probiotic product does not influence hatchability and is capable of differentially modulating expression of certain genes in the ileum. Furthermore, in ovo administration of probiotics has an effect similar to that of dietary supplementation endorsing its usage to potentially promote early colonization of beneficial bacteria to stimulate intestinal and immune system development.
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