Anatomical pathology features in day-old chicks with omphalitis
Abstract
Omphalitis, an infection caused by various bacteria entering the exposed umbilicus or bloodstream, significantly contributes to chick mortality within the first week post-hatch, often due to suboptimal hygiene practices during hatching. This case study aimed to characterise the effects of omphalitis on day-old chicks (DOCs) by examining the anatomical and pathological changes. Necropsies were performed on four DOCs at Poultry Breeding Development Center Jatiwangi, Majalengka, West Java, Indonesia. Observations revealed that the infected chicks had small body sizes, dull feathers, enlarged yolk sacs, and unhealed umbilici. Anatomical pathology revealed abdominal distension, necrotic yolk stalks, and greenish, foul-smelling yolk sacs.
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