This paper deals with a new egg count technique for Macracanthorhynchus hirudinaceus and Ascaris suum. The making of the new counter and the operation are described. The eggs of M. hirudinaceus in the upper, the middle and the lower levels of the sediment from swine feces were counted by the new egg count technique and the numbers of the eggs in the sedimentary liquids diluted two, four, six, eight and ten times were nearly similar. This indicates that the eggs dispersed evenly in the sediment and that the new technique is reliable. Comparison between the new technique and the McMaster technique shows that the number of the eggs counted by the new technique is more than that by the McMaster technique. The result show that the new technique has advantages because it requires only simple tools, water for flotation and a shorter time of operation.
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