References
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- Ryan , T.J. , Young , G.W. , Hoyle , F.P. , Holland , J.T.S. , Irwin , G. and Jones , Yvonne . A bacteriological investigation of brucellosis breakdowns in cattle herds . Proceedings of the 4th Animal Science Congress of the Asian-Australasian Association of Animal Production Societies . Hamilton, New Zealand. pp. 416 – 416 .