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Risk Analyses Of Disposal Of Pig Carcasses Smaller Than 40 Kg In The Netherlands

A study based on the literature, an on- farm audit and expert knowledge, was carried out to determine 1) the risks of spread of animal diseases among farms; 2) odour nuisance due to carcasses at the rendering plant; and 3) measurements to reduce these risks. It was concluded that the possible risks of spread of animal diseases among farms due to the removal of carcasses mainly has to do with the entrance of the place from where the carcasses are collected by the driver of the truck , the contact of the grab of the haulier with the cadaver container or place and driving with the haulier which is not fully closed. The true size of the risk of spread of disease is unknown and is probably different for each pathogen. Strict hygiene measurements by the driver and farmer can reduce the risk of spread of animal diseases due to cadaver removal. According to the interviewees at the expert assessment session, the odour nuisance at the rendering plant due to carcasses is mainly caused by bacterial conversion of proteins. Cooling of carcasses contribute to the slowing down of the conversions. No unambigious answer could be obtained as to the cooling temperature: not lower than –7 °C because of the processing at the rendering plant and preferably not higher than 5°C. Frequent removal of carcasses from the farms and a quick handling at the rendering plant may also reduce odour nuisance at the rendering plant. Organization: PDF:
The Netherlands

Author(s): Bokma-Bakker Martien (1), Eijck Ineke ( 1), Mul Monique ( 1)

Organization(s): Research Institute for Animal Husbandry Lelystad (1)

ISBN Number: