Physiological age determination in female Stomoxys calcitrans Linnaeus (Diptera : Muscidae)

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Authors

Sutherland, B.

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Published by the Government Printer, Pretoria.

Abstract

The primary sex organs of female Stomoxys calcitrans consist of a single pair of ovaries, each containing 80-100 polytrophic ovarioles. A natural population of these females can be grouped according to age into different reproductive categories. The technique described below defines these categories and enables one to distinguish between newly-emerged, nulliparous and uniparous females and females that have reproduced twice (biparous) or more (pauciparous).

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The articles have been scanned in colour with a HP Scanjet 5590; 300dpi. Adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.

Keywords

Veterinary medicine

Sustainable Development Goals

Citation

Sutherland, B 1980, 'Physiological age determination in female Stomoxys calcitrans Linnaeus (Diptera: Muscidae)’, Onderstepoort Journal of Veterinary Research, vol. 47, no. 2, pp. 83-88.