Animal meal: production and determination in feedstuffs and the origin of bovine spongiform encephalopathy.
- 8 February 1999
- journal article
- review article
- Published by Springer Nature in The Science of Nature
- Vol. 86 (2) , 62-70
- https://doi.org/10.1007/s001140050573
Abstract
This contribution examines what animal meal is, how it is produced in rendering plants, and means of investigating feedstuff constituents. In addition to animal meal, numerous other products of animal origin are also on the market (e.g., blood meal, bone meal, feather meal, gelatin). Constituents of animal origin can be detected in feedstuffs by microscopy, but determining the animal species from which the constituents are derived, as required by law in Germany, requires methods such as enzyme-linked immunosorbent assay and polymerase chain reaction. We consider the problem of trace contamination being introduced accidentally during the production of ruminants feedstuffs containing constituents of animal origin. The future of animal meal is discussed together with alternatives for disposing of animal carcasses and slaughtery offal, i.e., composting and incineration.Keywords
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