Pereira, Ronald Roy.2012-11-232012-11-231961http://hdl.handle.net/1993/12108[iv], 27 leaves :engComparison of modified astell roll-tube count with standard plate count of thermoduric bacteria in bulk raw milk : (i) effects of pasteurization methods on counts, (ii) relative cost of roll-tube count in respect to S.P.C.master thesis