Fact Sheet: Diquat INAD 10-969

for detailed information, see INAD study protocol, use link on the left
last updated: 1 December 2011

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Objective/purpose: Collect supportive and pivotal data needed to establish the effectiveness of diquat to control mortality caused by certain bacterial diseases.
Drug name: Diquat (Reward)
Source of drug: Syngenta Crop Protection, LLC
Address: P.O. Box 18300
Greensboro, NC 27419-8300

Attn: Ronald W. Williams, Jr., PhD.
Phone: 800-334-9481 ext 7785
email: ron.williams@syngenta.com
webpage: http://www.syngentacropprotection.com/cropmain.aspx

Target pathogen(s): External flavobacteriosis (e.g., bacteria responsible for bacterial gill disease and external columnaris)
Method of administration: Immersion: flow-through or standing-bath treatment
Treatment dosage: Option A: 2 - 18 milligrams Diquat per liter
Option B: 19 - 28 milligrams Diquat per liter
Treatment regimen:

Option A: 1 - 4 hour treatment; 1 - 4 treatments on alternate or consecutive days
Option B: 30 - 60 minute treatment; 1 - 3 treatments on alternate days

Withdrawal period: 5 days for channel catfish, muskellunge, tiger muskellunge, and northern pike.

30 days for all other fish species.

No withdrawal period is required for treated fish that will not be susceptible to legal harvest for at least 30 days post-treatment.
Required test parameters: Investigator must collect mortality data throughout the 5-day pre-treatment, treatment, and 14-day post-treatment periods. Investigator should also report general fish behavior and any adverse effects relating to treatment.
Limitations or restrictions on use:

Prophylactic (preventive) treatment of fish will not be allowed.

Investigator must follow all instructions in the Study Protocol for INAD 10-969 regarding drug acquisition and handling, fish treatment and disposition, and data reporting requirements.

Drug discharge must be in compliance with local NPDES permitting requirements.

Required INAD fee: $400.00 per facility per year
AADAP contact for other information: Ms. Bonnie Johnson, FWS - AADAP
Phone: 406-994-9905
Fax: 406-582-0242

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