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۱Important Parasite in Pigeon, its Hematological Parameter and Pathology of Intestine
اطلاعات انتشار: World Applied Sciences Journal، بيست و يكم،شماره۹، ۲۰۱۳، سال
تعداد صفحات: ۵
Para–clinical tests and gross lesion play important roles in identifying parasite disease as all organs ofpigeonsuch as skin, eyes, kidneys, liver and digestive tube can be affected by the parasites. Consequently, there is a possibility to use the feces of pigeon in order to observe parasite ovum and larva to identify the disease. This research was conducted from May to September 2011 and the number of 250 faecal samples of pigeon from mixed companion birds keeping in the cages. Faecal samples were examined by direct smear method whereas egg per gram (EPG) was counted by modified McMaster technique and centrifugal flotation method using Sheather''s saturated sugar solution. In this study, Raillietinaspp, Tetramers, Sygnamus, Capillaria, Ascaridiacolombaeandoocyst protozoa, Phthiraptera, Ceratophylluscolumbae contamination were studied and the frequency were found to be 48(24.24%),16 (8.08%), 18(9.09%),28 (14.14%),8 (4.04%), 14(7.07%), 16(8.08%) and 12(6.06% )respectivelyand 38(19.19%) of pigeon had multiple infection.In this study, the birds above two years 83 (41.91%) show more resistance against worms'' infestation than young birds below two years115 (58.08%). The PCV, WBC, MCV, MCH, Neutrophil and lymphocytes’ values of the infected pigeons weresignificantly (p0.05) different from the non infected counterpart. Mild congestion was seen in the tissue of small and large intestine of old pigeon infected with parasites. Histopathological changes including degenerative changes in the epithelial tissues of the intestine were observed in pigeons below 2years old in comparison with above 2 years old birds.The result of this study indicates that young pigeons could be more susceptible to parasitic infection as compared to above 2 years old birds and however, these parasites did not cause any visible deleterious effects in the blood parameters and this could be due to immune response of the pigeons to parasitic infections.
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