Mitigation of Environmental and Health Impact of Spreading Some Pathogenic Bacteria Through Poultry Litter Using Litter Amendments: an Epidemiological Study | ||
| Egyptian Journal of Veterinary Sciences | ||
| Articles in Press, Corrected Proof, Available Online from 03 November 2025 PDF (849.7 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejvs.2025.427036.3149 | ||
| Authors | ||
| Noha Rizk Saad; Mohamed Abdl Rahman Elbably; Asmaa Nady Mohamed; Manar Bahaa El din Mohamed* | ||
| Department of Hygiene, Zoonoses and Epidemiology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt. | ||
| Abstract | ||
| Litter is an important component of poultry production, that can affect health, productivity. This study aimed to highlight pathogenic bacteria from litter and compare the efficacy of two amendments (alum at 7% concentration and calcium carbonate at 10% concentration). A total of 140 poultry litter samples were collected equally (n=20) throughout cycle (42 days) and transported to the laboratory for physico-chemical and microbiological analysis. Results revealed increase in all physico-chemical parameters throughout the study (p-value ≤ 0.01) including pH, temperature (, moisture content (%), NH₃-N (g Kg⁻¹, Kg⁻¹, wb),and NO₃-N (mg Kg⁻¹, wb) at the end of the cycle (8.0 ± 1.3, 30.54 ± 2.8, 60.13 ± 3.8, 6.80 ± 1.1, and 29.75 ± 6.1 respectively) as compared to litter at beginning of the cycle (7.08 ± 0.06, 20.6 ± 1.2, 25.0 ± 1.8, 0.18 ± 0.03, and 1.84 ± 0.02 respectively).The predominant pathogens were Proteus spp. (32.47%), E. coli (23.07%), and Klebsiella spp. (22.22%), and 20 samples showing mixed infection (17.09%) and the least one was Salmonella spp (1.70%). The addition of alum (7%) to broiler litter resulted in t reduction in all physical parameters (8.06 ±0.4, 24.6±3.2, and 32.7±4.0 for pH, temperature(, moisture content (%) respectively), and 4.76±1.2 for ammonia volatilization. Alum had lethal effect (100%) against all isolates with lower efficacy of 80% against Proteus species compared to calcium carbonate. litter could pose a pathogenic risk for the environment and animal health. Regular usage of litter amendments like alum is one of the indispensable management. | ||
| Keywords | ||
| poultry litter; physico-chemical parameters; bacterial pathogens; environmental mitigation; Alum treatment | ||
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