Effect of litter treatment on the occurrence of foot pad lesions
2014
Bjedov, S. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Žikić, D. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Perić, L. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Đukić-Stojčić, M. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Milošević, N. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science)
Pododermatitis (foot pad lesions) is one of the main welfare problems in modern broiler production in countries with developed poultry farming. Factors contributing to the occurrence of these lesions are nutrition, stocking density and material used for litter. There are a number of different procedures that can be applied in order to prevent and reduce the number of lesions with the most pronounced defects. The experiment was conducted on broiler chickens grown in 10 buildings of 240 m2 each. The stocking density was 35 kg/m2. The experiment was set up in five treatments with two replicates. Treatment one (T1) - control with a straw litter, treatment two (T2) - litter treated with microbial preparation Micropan®, treatment three (T3) – litter with addition of lignin, treatment four (T4) – litter with addition of lignin and Micropan® and treatment five (T5) - chopped straw without supplements. At the end of the experiment, on day 42 the intensity of the lesions was scored on the slaughter line. The presence of lesions was scored using scale from 0 (no lesions) to 3 (plantar pads with more than 50% damage). Based on the results of the trial it can be concluded that litter has a significant impact on the presence and the degree of foot pad lesions. The lowest score of foot pad lesions was observed in the treatment T5 (chopped straw). Different treatments of litters may also contribute to the solution of the problem of pododermatitis since the results in all treated groups (T2, T3, T4 and T5) were better when compared to the control.
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