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Technical Papers & Trials > Rotifer Enrichment Trial using AlgaMac-3050

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Rotifer Enrichment Trial using AlgaMac-3050
 Studies performed by Maritek Worldwide Limited at Octapus SA facility, Greece

 

Quantity of AlgaMac 3050 used:  39 grams
Enrichment temperature:  20-23 degrees C
Start time
Finish time
Enrichment duration (hours)

Initial rotifer population data
Volume 
(m3)
Total No.
of rotifers (millions)

Final rotifer population data
Volume
Total No.
of rotifers (millions)
Difference between (init-final rotifers Nos)
(%)
rotifers/ml
% of. rotifers with 1 egg
% of rotifers with 2+ eggs
rotifers/ml
% of. rotifers with 1 egg
% of rotifers with 2+ eggs

9/25/00 13:00

9/26/00 9:30

20:30

251

22.6

1.6

0.35

87.85

243

6.5

0

0.35

85.05

-3.19%

A re-count was made after the rotifers had been collected to check for losses during filtration & cleaning

rotifers/ml (in bucket - after collected)

Volume (m3)

Total No. of rotifers (millions)

6130

0.015

91.95

When checked at the beginning and end of the trial period the rotifers showed good, active swimming behaviour. After enrichment the rotifers were well fed (full stomachs)

NOTE: The initial condition of the rotifers is important regarding potential gains/losses in the rotifer population during enrichment.   (Source: Studies performed by Maritek Worldwide Limited at Octapus SA facility, Greece)

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PO Box 5, Hawthorne, California 90250 USA / Tel: 310-973-5275 / Fax: 310-676-9387 

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