[Sc-aquaponics] [Aqua-ohio] FW: TiLV Reported in Mexico

Thu Aug 9 18:23:29 EDT 2018

Matt:

Please see the attached alert created by Dr. Hartman that includes a TiLV
distribution map.

Paul

From: Aqua-ohio <aqua-ohio-bounces+naa=thenaa.net at lists.osu.edu> On Behalf
Of Smith, Matthew A.
Sent: Thursday, August 09, 2018 5:44 PM
To: aqua-ohio at lists.osu.edu; sc-aquaponics at lists.osu.edu
Cc: Hartman, Kathleen H - APHIS <Kathleen.H.Hartman at aphis.usda.gov>;
Forshey, Tony <Tony.Forshey at agri.ohio.gov>
Subject: [Aqua-ohio] FW: TiLV Reported in Mexico

All, 

see below the information the NAA sent out last week from Dr. Hartman. Note
that Dr. Hartman was here last November for the Fish Health workshop in
central Ohio, and the OAA and OSU are planning another Fish Health workshop
at ODA on November 10th. 

As always, consult the ODA before importing any fish into the state.

More information to come, but we hope to see you all there!

  <http://osu.edu/assets/site/images/logos/osu-emailsig.png> 

Matthew A. Smith
Extension Aquaculture Specialist

OSU South Centers
College of Food, Agricultural, and Environmental Sciences 
1864 Shyville Road, Piketon, OH 45661
740.289.2071 ext 121 Office / 740.289.4591 Fax
 <mailto:smith.11460 at osu.edu> smith.11460 at osu.edu  <http://osu.edu/> osu.edu

---------- Forwarded message ----------
From: National Aquaculture Association <naa at thenaa.net
<mailto:naa at thenaa.net> >
Date: Wed, Aug 1, 2018 at 1:14 PM
Subject: TiLV Reported in Mexico

  <http://thenaa.net/email-images/email-wave-logo-top.jpg> 

Action Alert 

  <http://thenaa.net/email-images/email-wave-btm.jpg> 

August 1, 2018

TiLV Reported in Mexico

Recently, Mexico has reported Tilapia Lake Virus (TiLV) on aquaculture farms
in six states: Chiapas, Jalisco, Michoacán, Sinaloa, Tabasco and Veracruz.
TiLV is a virus that poses a significant health threat worldwide to Nile
tilapia, Oreochromis niloticus and hybrid tilapia (O. niloticus x O.
aureus). Fifteen other countries currently report TiLV as being present:
Ecuador, Egypt, Israel, Colombia, Malaysia, Mozambique, Philippines, Taiwan,
Thailand, Uganda, India, Indonesia, Kenya, Peru, and Tanzania.

TiLV affects fingerling tilapia with reported death rates in affected
populations as high as 90%. Older animals may have a lower mortality rate.
Handling stress (i.e., moving fish between ponds) appears to be a
significant risk factor for outbreaks. The virus survives in both fresh and
brackish water. Direct fish to fish transmission is an important route of
infection. There is no information on vertical transmission (parent to
offspring).

TiLV mainly affects tilapia eyes, brain and liver. 

*	Eyes may be cloudy, bulging or shrunken, 
*	Skin lesions may be present, 
*	Fish may be slow-moving and off feed. 

TiLV does not affect humans.

What Should I Do?
If you are a U.S. tilapia producer or grower:
Know your source of animals. Maintain biosecurity on your farm and educate
farm employees about how to do this. Do not bring other fish without a
health certificate or tilapia products onto the farm. Ask your aquatic
animal health expert about testing for TiLV. If you experience an unusual
mortality event, contact your aquatic animal health expert or appropriate
<https://thenaa.us6.list-manage.com/track/click?u=2fd6b049df111d21175a95a39&
id=543a19c11e&e=ae7cceae6d> State Veterinarian’s office immediately.

If you import live tilapia into the United States:
Do not import tilapia from countries known to have TiLV without a health
certificate stating that the fish are tested free of TiLV.  Know and trust
your source of animals.

If you export live tilapia to other countries:
Discuss with your customers what import health requirements may be
implemented if OIE lists TiLV. Canada has indicated they will implement
health requirements for TiLV once listed by the World Organization for
Animal Health (OIE).

For more information:
Read or download an OIE TiLV Disease Card:

<https://thenaa.us6.list-manage.com/track/click?u=2fd6b049df111d21175a95a39&
id=d87df233e7&e=ae7cceae6d>
http://www.oie.int/fileadmin/Home/eng/Internationa_Standard_Setting/
docs/pdf/Aquatic_Commission/A_TiLV_disease_card.pdf. 

Watch two farm biosecurity webinars posted to the NAA website:
<https://thenaa.us6.list-manage.com/track/click?u=2fd6b049df111d21175a95a39&
id=a0dd7d36c1&e=ae7cceae6d>
http://thenaa.net/webinars/what-you-need-know-about-biosecurity and
<https://thenaa.us6.list-manage.com/track/click?u=2fd6b049df111d21175a95a39&
id=068f5b36ac&e=ae7cceae6d>
http://thenaa.net/webinars/how-design-your-biosecurity-plan.

Contact Dr. Kathleen Hartman, Aquaculture Program Leader, USDA APHIS
Veterinary Services at 813-671-5230 ext 119 or
<mailto:Kathleen.h.hartman at aphis.usda.gov>
kathleen.h.hartman at aphis.usda.gov. 

National Aquaculture Association
PO Box 12759
Tallahassee, FL 32317
Phone: 850.216.2400
Fax: 850.216.2480
Email: naa at thenaa.net <mailto:naa at thenaa.net> 

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