Environmental - Biosecurity, Ecosystems, Predation, Pollutants

Most people think of filtration as requiring mechanical or chemical means - but one sewage treatment plant is using fish!  Now, you gotta think that cause Koi are omnivores, and they like to root around in the bottom of ponds,  this might be something they would be really good at!  Read the full story by clicking on the title or picture.

A new global analysis of seafood found that fish populations throughout the world's oceans are contaminated with industrial and agricultural pollutants, collectively known as persistent organic pollutants (POPs). The study also uncovered some good news: concentrations of these pollutants have been consistently dropping over the last 30 years.  Read the full story by clicking on the title or picture.

KHV affects our Koi, but now there is a Herpes Virus that is affecting oysters all over the world.  The issues about biosecurity and finding a cure are similar to the problems faced by Koi keepers.  Read more by clicking on the picture or title...

This is from an excellent post on the Fish Vet Blog.  The Aussies are considering releasing KHV into the wild to reduce the effect of carp on the ecosystem.  This rebuttal by Dr. Loh on other possible causes is interesting.  Read the text by clicking on the title or picture...

It has often been said that we underestimate the amount of stress on our Koi and the ramifications of stress on Koi health...  This article reviews fish handling guidelines, and also discusses the problems of improving fish welfare because of the lack of human empathy with fish..  This is an excellent article for people who fish, and emphasizes the need for humane euthanasia of our Koi.  Read the article by clicking on the title or picture...

We all know that introducing pathogens into our pond systems causes disease.  Some can be prevented by good Biosecurity, and this article re-iterates key points for Biosecurity.  While it is written for recirculating aquaculture (raising prawns) - the points are definitely good review for all Koi keepers!  I've highlighted the material in Bold in the article - that can be read by clicking on the title or picture above...   Further information can be found in K.O.I. Course #208 - Biosecurity, Quarantine and Record Keeping - CLICK HERE

Bet you never thought this was possible - the Aussie scientists of CSIRO (Commonwealth Scientific and Industrial Research Org) are actually considering introducing KHV as a means to control unwanted carp!  And yes, that's the same species as our Koi!  Read the full article by clicking on the title or picture...

Please help K.O.I. to spread the word – Koi should never be released into the wild!  Nearly every Koi club in the country will help you deal with unwanted Koi.  Please contact your local club and deal with unwanted Koi responsibly by re-homing them, or euthanizing them.

Here’s the list of top 100 invasive species:   http://www.issg.org/worst100_species.html

Click on the picture or title to read what they say about the environmental impact of Common Carp (Cyprinus carpio)...

Koi and goldfish are now listed as invasive species in many states, and Maine does not allow Koi keeping AT ALL!  Please read this article to learn more about the problem, by clicking on the picture or title.

In Connecticut, the deadliest creature is common White-Tailed Deer, cause people in cars are killed when they hit them.  But worldwide - it's Mosquitos!  Our ponds can be a haven for deadly mosquitos.  Read the story (by clicking on the picture or title) to find out what you can do to eliminate mosquitos from your ponds and water features.  Story submitted by Ralph Smith, aka 'Smitty' from Southwest Koi and Pond Association, El Paso, TX.

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