A Biological Solution to Animal Pandemics
A Biological Solution to Animal Pandemics
SEPTEMBER 28, 2010 Eureka
A novel and environmentally-friendly type of matting for use in protection against the spread of contagious animal diseases such as avian influenza, and for routine hygiene in animal and food production is being produced. Soaked with disinfectant solution, the new matting can be used for disinfecting vehicle tires, and the shoes and boots of personnel. As it is made of 100% natural fibres, it is highly absorbent to disinfectant solution; it is also fully biodegradable and therefore avoids the high disposal costs of synthetic alternatives. The under-surface is made of densely woven fabric for strength, and impregnated with natural resin to prevent seepage of disinfectant into the ground, or dilution of disinfectant by ground water.Outbreaks of contagious animal diseases like avian flu, foot-and-mouth disease and bovine spongiform encephalopathy (BSE), cause national and regional public health authorities take extensive steps to prevent these diseases from spreading. The economic costs of such outbreaks are hard to estimate, but they can cause major disruption to agricultural production and food distribution, also environmental challenges in disposal of infected animals and contaminated materials; plus widespread public anxiety.Stopping the spread of diseaseMost animal diseases are spread on clothing, footwear or farm tools, equipment or the tires of vehicles visiting farms with infected animals. When public health measures are imposed, personnel are required to pass through disinfection barriers in order to stop the transportation of bacterial or viral particles.The various methods in use until now all have disadvantages. Requiring people and vehicles to pass through a shallow bath of disinfectant solution or a trough of sawdust or wood chips soaked in disinfectant is cumbersome, costly and requires labour for replacement. Another approach is a mat with an outer polyester layer, an absorbent layer made of polyurethane and a third PVC layer to prevent disinfectant from penetrating into the ground; or a nylon fibre mat backed with nitrile rubber. However the raw materials used in those mats make disposal difficult and costly, requiring special treatment plants for degradation.Natural fibres are the solutionThe new matting developed by the ECOPROMAT partners is also composed of three layers, but uses only natural materials. The lowest layer is a densely woven hemp, flax or jute fabric chosen for its toughness, resistance and flexibility, and stitched in hemp or jute fibres. This layer is finished by impregnation with natural resins, which prevent seepage of the disinfectant into the ground, and also prevent dilution of the disinfectant by absorption of ground water. The central layer of the mat is highly absorbent, non-woven material which is significantly more hygroscopic than the synthetic alternative. The upper layer is woven, needle-punched jute fabric, which is protective and durable to protect the central reservoir from pressure e.g. from vehicles driven over it. Dr Jerzy Mankowski of the Polish Institute of Natural Fibres & Medicinal Plants explains that unlike the synthetic alternatives, matting made of flax and hemp fibres is completely biodegradable and environmentally friendly. Ads by Google
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