ACKNOWLEDGEMENT This work was carried out in Foot & Mouth Disease Institute, Ankara and Institute for Genetic Engineering & Biotechnology of TUBITAK Marmara Research Center, Gebze Kocaeli. The authors are grateful to Prof. Dr. E. Bermek who founded the collaboration between the organizations, to the General Directorate of Agricutural Research of Ministry of Agriculture and Rural Affairs (TAGEM), Turkish Scientific and Technical Research Organisation (TUBITAK) and Ege University Science and Technology (EBILTEM) for their financial support, to Dr. H. Zengin for his moral support, Dr. A. Naci Bulut for his excellent technical help in ELISA applications and to Dr. I. Türküz for his technical help in vaccination and bleeding of the cattle on the farm.
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