دورية أكاديمية
أعرض في EDS

Pre-hatch and post-hatch development of the bursa of Fabricius in broiler chicken: a morphological study.

التفاصيل البيبلوغرافية
العنوان: Pre-hatch and post-hatch development of the bursa of Fabricius in broiler chicken: a morphological study.
المؤلفون: Udoumoh AF; Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, Nigeria., Nwaogu IC; Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, Nigeria., Igwebuike UM; Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, Nigeria., Obidike IR; Department of Veterinary Physiology and Pharmacology, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, Nigeria.
المصدر: Veterinary research forum : an international quarterly journal [Vet Res Forum] 2022 Sep; Vol. 13 (3), pp. 301-308. Date of Electronic Publication: 2022 Sep 15.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Urmia University Press Country of Publication: Iran NLM ID: 101625812 Publication Model: Print-Electronic Cited Medium: Print ISSN: 2008-8140 (Print) Linking ISSN: 20088140 NLM ISO Abbreviation: Vet Res Forum Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Urmia : Urmia University Press
مستخلص: The developmental morphology of the bursa of Fabricius (BF) of broiler chicken was evaluated in this study using gross anatomical, histological, reticulin histo-chemical, and transmission electron microscopic techniques. The result showed that the short plica of the BF at embryonic day (ED) 14 was a mesenchymal tissue that contained cells, including mesenchymal cells and lymphoblasts. The organo-somatic index (OSI) of the BF peaked at ED 17, while the BF of ED 19 showed well delineated follicle-associated and inter-follicular epithelial (IFE) cells. Whereas, the IFE contained apical vacuoles which increased in size with age, the BF contained lymphoid follicles which were first observed at ED 17, and increased steadily in mean diameter from ED 19 to post-hatch day (PD) 28. The framework of the inter-follicular areas and the follicular capsules were composed of collagen type III fibres. Moreover, the cortico-medullary basement membranes were well established with peripheral and cortico-medullary basement capillaries becoming very consistent between PDs 5 and 7. The lymphoid follicle contained lymphocytes with mitotic figures, and plasma cells which showed extensive network of rough endoplasmic reticulum at PD 21, while macrophages contained increasing evidence of phagocytosis from PDs 35 to 56. In conclusion, the morphological features of the BF of broiler chicken in this study reveals that the key function of B-cell maturation within the BF may occur between the first 3 to 4 weeks after hatching, and thereafter, may primarily produce immunoglobulins until involution occurs.
Competing Interests: The authors declare that there is no conflict of interest.
(© 2022 Urmia University.)
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فهرسة مساهمة: Keywords: Broiler chicken; Bursal development; Cellular colonization; Morphology; Transmission electron microscopy
تواريخ الأحداث: Date Created: 20221102 Latest Revision: 20221104
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC9548219
DOI: 10.30466/vrf.2020.127741.2953
PMID: 36320290
قاعدة البيانات: MEDLINE
الوصف
تدمد:2008-8140
DOI:10.30466/vrf.2020.127741.2953