Published in Scientific Papers. Series D. Animal Science, Vol. LXVI, Issue 1
Written by Olena BYRKA, Viktoriia YURCHENKO, Mykola KUSHCH, Liubov LIAKHOVICH
The parameters and dynamics of the development of Meckel's diverticulum in large gray geese aged one day to 5 years were determined. The changes in the length, cross-sectional area and wall area of the Meckel's diverticulum indicate that its growth stops by 3 months of age. The age-related morphofunctional indicators of lymphoid tissue formation in the wall of Meckel's diverticulum were determined. Diffuse lymphoid tissue is predominant in the composition of lymphoid tissue. Full morphofunctional maturity of the lymphoid tissue with the development of four levels of its structural organization is observed at the age of 21 days in geese. The lymphoid tissue in the wall of Meckel's diverticulum reaches its maximum development by the age of 3 months, which must be taken into account when raising large gray geese and conducting experimental studies.
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