Abstract
This study was conducted to investigate the histopathological changes of cestodes chronic intestinal infections in ten local domesticated ducks (Anas platyrhynchas) during the period 1/9/2016- 1/10/2017 in Baghdad city. Results showed severe destruction in the intestinal mucosa ,sloughing and desquamation of the epithelia and severe destruction with distortion or complete loss of the intestinal villi, complete loss of the mucosal and submucosa layers with destruction of intestinal glands and there is a severe infiltration of inflammatory cells mainly mononuclear cells in the lamina propria, and a focal necrosis in the intestinal mucosa.The submucosa showed an infiltration of macrophages and few lymphocytes, severe necrosis , calcification in some mucosal glands or with a cystic dilation with cellular debris in their lumen surrounded by inflammatory cells infiltration mainly mononuclear and plasma cells.The conclusion of the present study was that the cestodes chronic infection cause severe inflammatory response mainly lymphocytes and monocytes in mucosa and sub mucosa and destruction of some intestinal glands of the intestine.
Highlights
Ten positive cestodes Ducks (Anas platyrhynchos) obtained from local market of Baghdad city were brought to the parasitology laboratory / Veterinary Medicine College for laboratory examination during the period 1/9/2016- 1/10/2017
The examination for intestinal cestodes infections was undertaken using gross examination of the intestine content (14 and 15 ) and identification of parasites was done by using the helminthological keys (16 and 17)
Other sections showed complete loss of the intestinal villi and atrophy of the intestinal mucosa (Fig.2), complete loss of the mucosal and sub mucosa layers with destruction of intestinal glands (Fig.3), and other sections showed a parasite in the lumen of the intestine (Fig.4)
Summary
The order Anseriformes consists of about important challenge to the production potential. 150 bird species classified in two extant of duck and geese rearing programs by families: Anhimidae (Screamers) and Anatidae reducing the eggs and meat production Multiple development and the poor standards of poultry parasitic infections have been previously husbandry [4] Their rearing is part of an reported (11 and 12) and causes anemia and integrated farming system for rural reduce body mass, and surviva )13(. Due to communities predominantly the indigenous the importance of cestodes infections in the domestic duck(Anas platyrhynchos) [5] which birds include ducks; this study was conducted used rural duck farming for eggs and meat
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