The Fish Vet's Blog

Check out the full article at this link – http://www.undercurrentnews.com/2012/12/04/study-uses-light-to-detect-fish-freshness/?utm_source=wysija&utm_medium=email&utm_campaign=americas_newsletter_dec_4

Via facebook, through Morley Aquariums, I came across another great way of keeping your aquatic pets cool through the heat wave.

If you have an external filter unit for your aquarium, you can place the cannister in an esky full of ice and this will help cool the water in your aquarium without altering the water chemistry. Take care not to create an electrical hazard though.

Check out some more tips from older posts on The Fish Vet’s blog – https://thefishvet.com/?s=evaporative+cooling

Check out my latest video upload regarding environmental enrichment for fish –

Fantastic coloured pictures of the numerous types of worms.
http://www.chucksaddiction.com/hitchworms.html

As per preliminary announcement, the 2013 FRDC Australasian Scientific Conference on Aquatic Animal Health will be held in Cairns at The Pullman Reef Hotel, on 9-12 July 2013.
The scientific program will be held over 4 days to accommodate the increasing interest in the conference both domestically and from overseas. There will be a short happy hour at the end of each day to facilitate networking opportunities, and the conference dinner will be held on the last day of the conference.
As announced previously the two international expert presenters at the conference are:
Prof Hugh Ferguson

Head of the Department of Pathobiology, Director of the Marine Medicine programme, Professor of Pathology, School of Veterinary Medicine, St George’s University, Grenada, West Indies.
Prof Don Lightner

Aquaculture Pathology Laboratory, Department of Veterinary Science and Microbiology, University of Arizona, OIE Reference
Laboratory for Crustacean Diseases.

 

A conference website is being developed for conference registration and abstract submission.
Details will be announced soon.

 

For more information, please contact

 

Joanne Slater
FRDC Aquatic Animal Health Subprogram Coordinator
C/o CSIRO Animal, Food and Health Sciences
Australian Animal Health Laboratory
PO Box 24 Geelong VIC 3220
Phone: 03 5227 5427
Fax: 03 5227 5555
Email: joanne.slater@csiro.au

Poor fish…
http://m.bbc.co.uk/news/world-europe-guernsey-20974144

But in aquaria, 100% of fish wastes would remain in the tank they live in. This is why it’s important to have adequate filtration and water changes.

The Third FRDC Aquatic Animal Health Technical Forum – Skills training workshop to be held in Glenelg, South Australia on the 20th to 22nd March 2013.

The workshop can accommodate a maximum of 25 participants.

Please register your attendance to Lynette M Williams by Friday 8thFebruary 2013

The funding provided by the FRDC project will subsidise some of the travel/accommodation costs per participant.

For more information, click on the document links below

General Information 2013 Workshop MC rev.docx
Final Report print version.pdf

or please contact

Lynette M Williams
Senior Technical Officer,
Fish Disease Laboratory,
CSIRO, Livestock Industries
PO Bag 24,
GEELONG, Vic, 3220
Voicemail 03 52275442
Lynette.Williams@csiro.au

 

—
Yours sincerely,

Dr Richmond Loh
BSc BVMS MPhil MANZCVS (Aq & Pathol)
The Fish Vet, Perth, Western Australia.
Veterinary Medicine for fish.
http://www.thefishvet.com.au
Ph: +61 (0)421 822 383

Aquaculture Research
Volume 44, Number 1 (December 2012)
	Dry shipper cryopreservation of seven-band grouper (Epinephelus septemfasciatusThunberg) spermatozoa
	Authors:	Ivan Chong Chu Koh, Daisuke Tanaka, Takayoshi Itagane, Masaharu Tsuji, Yasushi Tsuchihashi, Hiromi Ohta
	Author Affiliations:	no affiliations available
	Source:	Aquaculture Research, Volume 44, Number 1 (December 2012)
	Page Numbers:	59 – 66
	Available Full Text:	Full Text: Subscription Required to view full text Format: PDF Size: unknown Location: Publisher’s Site Authentication: EBSCOhost EJS
	Abstract:	This study examined the usage of a dry shipper for cryopreservation of Epinephelus septemfasciatus (Thunberg) spermatozoa. Milt was diluted 1:49 with 5% dimethyl sulfoxide plus 95% foetal bovine serum for cryopreservation. Computer-assisted sperm analysis was used to analyse sperm motility, while fertilization and hatching trials were conducted to gauge the applicability of the cryopreservation method for aquaculture. We showed that cooling rates of the dry shipper were stable for 14 days and could be manipulated by the use of different sized freezing straws and use of a simple polystyrene foam container (5 × 5 × 12 cm and 1 cm thickness on all sides with the upper layer exposed). Dry shipper cryopreserved spermatozoa had significantly lower post-thaw per cent motility and velocity than fresh sperm, but linearity of movement was unchanged. Fertilization and hatching rates were not significantly different at all tested sperm to egg ratios (3000:1–243000:1). The results indicated that 0.33 mL of milt when cryopreserved was sufficient to fertilize up to 450 g of oocytes. Application of this technology will help improve seed production in aquaculture and further develop breeding and genetics studies.
	Citation:	Ivan Chong Chu Koh, Daisuke Tanaka, Takayoshi Itagane, Masaharu Tsuji, Yasushi Tsuchihashi, Hiromi Ohta . Dry shipper cryopreservation of seven-band grouper (Epinephelus septemfasciatusThunberg) spermatozoa. Aquaculture Research, Volume 44, Number 1 (December 2012), pp. 59-66, <http://ejournals.ebsco.com/direct.asp?ArticleID=4F418BF0CF048CE73FDC&gt;
	URL:	http://ejournals.ebsco.com/direct.asp?ArticleID=4F418BF0CF048CE73FDC

From today’s papers.