CLINICO-THERAPEUTIC STUDIES ON AVIAN PODODERMATITIS
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Date
2017
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Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu
Abstract
The investigation was carried out in 5400 birds (broilers and layers) of jammu and its surroundings with the aim to study the prevalence, haematoboichemical, patho-morphological alterations and therapeutic measures of avian pododermatitis using antibiotics and herbal extract. Pododermatitis was found in 119 birds accounting for 2.20% of birds whereas in birds it was found to be 14%. Majority of cases of pododermatitis were caused by bacterial organism Staphylococcus aureus followed by Eschericia coli. Prevalence of pododermatitis caused by Staphylococcus aureus was found to be around 89.65% in layers and 80.64% in broilers. Bacterial isolates recovered from birds suffering from pododermatitis were subjected to antibacterial sensitivity test which included isolates of Staphylococcus aureu. E.coli and mixed infection. Staphylococcus aureus exhibited highest sensitivity to ceftriaxone/tazobactum and least to amoxicillin+cloxaeillin. E.coli. and mixed infection also showed the same pattern. Haematological changes revealed decrease in Hb, PCY, TEC and TLC of diseased birds when compared to healthy control. Differential Leucocytes Count of diseased birds showed decreased percent of lymphocytes, monocytes, eosinophills, basophills whereas beterophilis were higher when compared to healthy control. Total proteins, albumin and albumin/globulin ratio were lower in diseased birds when compared to normal healthy control. Histopatholgy of foot pad of pododermatitis affected bird showed changes like epidermal hyperplasia, hyperkeratosis characterized by increased thickness of stratum corneum with dermal odema, leucocytic infiltration and fibrous connective tissue in dermis. Three drugs and herbal extract were used to treat the pododermatitis. The haematological and biochemical parameters of antibiotic and herbal extract treated groups showed significant improvement. The treatment resulted in healing of the lesion with improvement in histopathological changes of the affected foot pad. The lesion score showed improvement in antibiotic and herbal treated groups. The study concluded that marked haematobiochemical alterations occur in avian pododermatitis with Staphylococcus aureus as most commonly occuring organism. The therapeutic trial results indicated that antibiotcs and garl ic extract had comparable activity in treatment of pododermatitis.
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