1921
Volume 33, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

The viability of miracidia, either hatched or unhatched, has been assessed by a staining technique using Congo red, a pH-sensitive dye (pH 3–5), under the light microscope. Hatched, free-swimming miracidia and live miracidia inside egg shells were stained light blue whereas dying miracidia altered the dye color from blue to orange and eventually to red. Immature eggs containing undeveloped miracidia were not stained by Congo red. This staining technique is simple, rapid and can be used as a method to assess both the viability of miracidia and the hatching process.

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/content/journals/10.4269/ajtmh.1984.33.1178
1984-11-01
2017-09-22
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.1984.33.1178
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  • Accepted : 15 May 1984

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