Hematological Changes in Free-Range Chicken (Gallus domesticus) Naturally Infected with Toxoplasma Gondii
Hematological Changes in Free-Range Chicken (Gallus domesticus) Naturally Infected with Toxoplasma Gondii
Mushtaq Hussain Lashari1*, Fozia Afzal1 and Umer Farooq2
ABSTRACT
The aim of present study was to determine the seroprevalence and hematological changes in free-range chicken (Gallus domesticus) naturally infected with Toxoplasma gondii (T. gondii). Blood samples of chicken (n=71), were collected from Cholistan areas of Bahawalpur (Punjab), Pakistan. Serum samples were tested for toxoplasmosis with a commercial latex agglutination kit (Antec Diagnostic products, UK). The overall prevalence was 26.76%. The significant (P<0.05) higher seroprevalence was observed in males (34.28%) than in females (19.44%). For analysis of hematological parameters blood samples were collected. The mean values for hemoglobin (Hb), Packed Cell Volume (PCV), Red Blood Cells Count (RBC), Mean Corpuscular Volume (MCV), Mean Corpuscular Hemoglobin (MCH), Mean Corpuscular Hemoglobin Concentration (MCHC), White Blood Cells count (WBC), Heterophils (%), Eosinophils (%), Basophils(%), Monocytes(%), and Lymphocytes(%) values of negative chickens were 9.43±0.49 g/dl,, 25.81±1.34%, 1.84±0.13 x106/µL, 151.7±11.0 fl, 3.85±0.22 pg, 39.34±2.07%, 3.98±0.13 x103/µL, 45.71±1.26%, 2.08±0.29%, 1.54±0.17%, 2.58±0.29% and 48.10±1.36% and for positive chickens were 9.35±0.89 g/dl, 24.63±2.21%, 1.68±0.17 x106/µL, 168.9±17.5 fl, 5.92±1.95 pg, 59.3±19.5%, 3.98±0.23 x103/µL, 45.74±2.76%, 3.05±0.45%, 1.58±0.23%, 0.95±0.19% and 48.74±3.15, respectively. MCH, eosinophils and monocytes showed significant difference. Hb, PCV, RBC, MCV MCHC, heterophils, basophils and lymphocytes values showed non-significant difference. Furthermore, some of the hematological parameters are altered by T. gondii but not all. In literature a little information is present regarding the hematological changes due to T.gondii in chickens of Cholistan, Bahwalpur, Pakistan.This is pilot study one of a kind and need for further studies with larger populations and samples across the country
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