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Marking Shrimps and Prawns By Latex Injection

Marking Shrimps and Prawns By Latex Injection MARKING SHRIMPS AND PRAWNS BY LATEX INJECTION BY GRAHAM C. PHILLIPS Unilever Research, Colworth/Welwyn Laboratory, Greyhope Road, Aberdeen, AB9 2JA, Great Britain INTRODUCTION During cultivation experiments with the English Prawn Palaerraon serratu.r (Pennant) the need arose for marking relatively small numbers or groups for separate identification over periods of several moults. Biological stains have been used in immersion techniques for some species, e.g., Racek (1957) used Nile Blue Sulphate to mark Australian penaeids, and this resulted in low staining mortality and a "long" period of mark retention. The usefulness of surface staining techni- ques is largely governed by the duration of the intermoult period which, in the case of Palaemon .rerratu.r, may be as short as 15 days at elevated experimental temperatures. Dawson carried out a more extensive trial of immersion and injection using three American species, the White Shrimp Penaeu.r setiferus (L.), Brown Shrimp Penaeus aztecits Ives and Pink Shrimp Peizaeits dum'arum Burkenroad. He found that immersion techniques were consistently unsuccessful and of the 26 stains he examined, only Fast Green F.C.F. (National Aniline), Niagara Sky Blue G.B., Trypan Red and Trypan Blue were effective. Each of these stains remained fast for more than 100 days and through http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Marking Shrimps and Prawns By Latex Injection

Crustaceana , Volume 22 (1): 3 – Jan 1, 1972

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References (5)

Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216X
eISSN
1568-5403
DOI
10.1163/156854072x00697
Publisher site
See Article on Publisher Site

Abstract

MARKING SHRIMPS AND PRAWNS BY LATEX INJECTION BY GRAHAM C. PHILLIPS Unilever Research, Colworth/Welwyn Laboratory, Greyhope Road, Aberdeen, AB9 2JA, Great Britain INTRODUCTION During cultivation experiments with the English Prawn Palaerraon serratu.r (Pennant) the need arose for marking relatively small numbers or groups for separate identification over periods of several moults. Biological stains have been used in immersion techniques for some species, e.g., Racek (1957) used Nile Blue Sulphate to mark Australian penaeids, and this resulted in low staining mortality and a "long" period of mark retention. The usefulness of surface staining techni- ques is largely governed by the duration of the intermoult period which, in the case of Palaemon .rerratu.r, may be as short as 15 days at elevated experimental temperatures. Dawson carried out a more extensive trial of immersion and injection using three American species, the White Shrimp Penaeu.r setiferus (L.), Brown Shrimp Penaeus aztecits Ives and Pink Shrimp Peizaeits dum'arum Burkenroad. He found that immersion techniques were consistently unsuccessful and of the 26 stains he examined, only Fast Green F.C.F. (National Aniline), Niagara Sky Blue G.B., Trypan Red and Trypan Blue were effective. Each of these stains remained fast for more than 100 days and through

Journal

CrustaceanaBrill

Published: Jan 1, 1972

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