Efficacy of formalin in reducing the levels of peritrichous ciliates on cultured marine shrimp

T. A. BELL, C. S. ARUME, Donald V Lightner

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Abstract. Tests were performed to measure the efficacy of formalin in reducing peritrichous ciliates on the surface of cultured marine shrimp. The tests were conducted at concentrations above and below those being used in shrimp culture and were designed to define the concentration providing the most effective rapid reduction of ciliates. Penaeus stylirostris Stimpson,‘preconditioned’ in a single large tank, were divided equally (after diagnosis of significant ciliate epifaunation) into ten 1000 litre fibreglass tanks; each received 235 shrimp of 10–15 g average weight. These tanks were divided into five treatments: 0, 12·5, 25, 50 and 100 ppm; two replicates per treatment. Treatments were conducted under static conditions for 4 h. Ciliate levels were measured on day 0 (pretreatment) and days 1, 2 and 7 post‐treatment. Formalin at 25, 50 and 100 ppm was demonstrated to be effective in reducing ciliates, while 12·5 ppm did not differ from the control (0 ppm). In addition, the higher the level of formalin used (within the effective range), the more pronounced was the initial ciliate reduction and the longer was the protection from further ciliate epifaunation.

Original languageEnglish (US)
Pages (from-to)45-51
Number of pages7
JournalJournal of Fish Diseases
Volume10
Issue number1
DOIs
StatePublished - 1987

Fingerprint

ciliate
formalin
Ciliophora
Formaldehyde
shrimp
Penaeidae
Weights and Measures
Litopenaeus stylirostris
shrimp culture
fiberglass
pretreatment
testing

ASJC Scopus subject areas

  • Aquatic Science
  • veterinary (miscalleneous)

Cite this

Efficacy of formalin in reducing the levels of peritrichous ciliates on cultured marine shrimp. / BELL, T. A.; ARUME, C. S.; Lightner, Donald V.

In: Journal of Fish Diseases, Vol. 10, No. 1, 1987, p. 45-51.

Research output: Contribution to journalArticle

@article{dc506a4061864b3db006f90784355408,
title = "Efficacy of formalin in reducing the levels of peritrichous ciliates on cultured marine shrimp",
abstract = "Abstract. Tests were performed to measure the efficacy of formalin in reducing peritrichous ciliates on the surface of cultured marine shrimp. The tests were conducted at concentrations above and below those being used in shrimp culture and were designed to define the concentration providing the most effective rapid reduction of ciliates. Penaeus stylirostris Stimpson,‘preconditioned’ in a single large tank, were divided equally (after diagnosis of significant ciliate epifaunation) into ten 1000 litre fibreglass tanks; each received 235 shrimp of 10–15 g average weight. These tanks were divided into five treatments: 0, 12·5, 25, 50 and 100 ppm; two replicates per treatment. Treatments were conducted under static conditions for 4 h. Ciliate levels were measured on day 0 (pretreatment) and days 1, 2 and 7 post‐treatment. Formalin at 25, 50 and 100 ppm was demonstrated to be effective in reducing ciliates, while 12·5 ppm did not differ from the control (0 ppm). In addition, the higher the level of formalin used (within the effective range), the more pronounced was the initial ciliate reduction and the longer was the protection from further ciliate epifaunation.",
author = "BELL, {T. A.} and ARUME, {C. S.} and Lightner, {Donald V}",
year = "1987",
doi = "10.1111/j.1365-2761.1987.tb00717.x",
language = "English (US)",
volume = "10",
pages = "45--51",
journal = "Journal of Fish Diseases",
issn = "0140-7775",
publisher = "Wiley-Blackwell",
number = "1",

}

TY - JOUR

T1 - Efficacy of formalin in reducing the levels of peritrichous ciliates on cultured marine shrimp

AU - BELL, T. A.

AU - ARUME, C. S.

AU - Lightner, Donald V

PY - 1987

Y1 - 1987

N2 - Abstract. Tests were performed to measure the efficacy of formalin in reducing peritrichous ciliates on the surface of cultured marine shrimp. The tests were conducted at concentrations above and below those being used in shrimp culture and were designed to define the concentration providing the most effective rapid reduction of ciliates. Penaeus stylirostris Stimpson,‘preconditioned’ in a single large tank, were divided equally (after diagnosis of significant ciliate epifaunation) into ten 1000 litre fibreglass tanks; each received 235 shrimp of 10–15 g average weight. These tanks were divided into five treatments: 0, 12·5, 25, 50 and 100 ppm; two replicates per treatment. Treatments were conducted under static conditions for 4 h. Ciliate levels were measured on day 0 (pretreatment) and days 1, 2 and 7 post‐treatment. Formalin at 25, 50 and 100 ppm was demonstrated to be effective in reducing ciliates, while 12·5 ppm did not differ from the control (0 ppm). In addition, the higher the level of formalin used (within the effective range), the more pronounced was the initial ciliate reduction and the longer was the protection from further ciliate epifaunation.

AB - Abstract. Tests were performed to measure the efficacy of formalin in reducing peritrichous ciliates on the surface of cultured marine shrimp. The tests were conducted at concentrations above and below those being used in shrimp culture and were designed to define the concentration providing the most effective rapid reduction of ciliates. Penaeus stylirostris Stimpson,‘preconditioned’ in a single large tank, were divided equally (after diagnosis of significant ciliate epifaunation) into ten 1000 litre fibreglass tanks; each received 235 shrimp of 10–15 g average weight. These tanks were divided into five treatments: 0, 12·5, 25, 50 and 100 ppm; two replicates per treatment. Treatments were conducted under static conditions for 4 h. Ciliate levels were measured on day 0 (pretreatment) and days 1, 2 and 7 post‐treatment. Formalin at 25, 50 and 100 ppm was demonstrated to be effective in reducing ciliates, while 12·5 ppm did not differ from the control (0 ppm). In addition, the higher the level of formalin used (within the effective range), the more pronounced was the initial ciliate reduction and the longer was the protection from further ciliate epifaunation.

UR - http://www.scopus.com/inward/record.url?scp=84987589142&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84987589142&partnerID=8YFLogxK

U2 - 10.1111/j.1365-2761.1987.tb00717.x

DO - 10.1111/j.1365-2761.1987.tb00717.x

M3 - Article

VL - 10

SP - 45

EP - 51

JO - Journal of Fish Diseases

JF - Journal of Fish Diseases

SN - 0140-7775

IS - 1

ER -