Thumbnail Image

Theses

Browse

19971
Reset filters
Subject: Veterinary Parasitology × Author: Gigi George, A × End date: 1997 × Start date: 1992 × Type: Thesis × Thesis Type: M.V.Sc. ×
Reset filters

Search Results

Now showing 1 - 1 of 1
  • Thumbnail Image
    ThesisItemOpen Access
    Prevalence, clinico-pathology and control of coccidiosis in broiler chicken
    (Department of Parasitology, College of Veterinary and Animal Sciences, Mannuthy, 1997) Gigi George, A; KAU; Lucy Sabu
    An investigation was carried out with an objective to findout the prevalence, clinicopathology and control of coccidiosis in broiler chicken. The prevalence of coccidiosis in broiler chicken by viscera examination was 21.13% and by the examination of faecal sample from different broiler farms was 10.65%. The highest prevalence of coccidiosis was during the warm wet climate (September to November). There was prevalence of three species of Eimeria namely E. tenella (72%), E. necatrix (36%) and E. maxima (1.33%) and mixed infection with E. tenella and E. necatrix in 9.33% cases. Haematological studies revealed increase in erythrocyte sedimentation rate and total leucocyte count than the control and a decrease in the values for PCV, Hb content and total red blood cell count. Histopathological observations revealed proliferation of goblet cells, moderate mononuclear cell infiltration, degeneration and desquamation of caecal mucous membrane and haemorrhage at different depths of the intestinal wall caused by the rupture of the large second generation schizonts. Among the three anticoccidials evaluated salinomycin was the best drug based on the mean weekly body weight, mean weekly body weight gain and performance index followed by monensin. Performance of salinomycin treated birds were comparable with that of noninfected-nonmedicated control in the above parameters. Amprolium hydrochloride was least efficient.