Drug

Species

Indication

Dosage regimen

Limitations/Comments

Chorionic Gonadotropin, (Chorulon® by et, Inc.)

Male and female brood finfish

Aid in improving spawning function

50 to 510 IU/lb males
67 to 1816 IU/lb females

Up to three doses. Total dose not to exceed 25,000 IU in fish intended for human consumption

Oxytetracycline monoalkyl trimethyl ammonium (Terramycin® by Pfizer, Inc.)

Pacific salmon

Mark skeletal tissue

250 mg/kg/day for 4 days

--Salmon < 30 g
In feed as sole ration
-- 7 day withdrawal time
Also hydrochloride form

Salmonids

Control ulcer disease
furunculosis, bacterial hemorrhagic septicemia, and pseudomonas disease,(Hemophilus piscium, Aeromonas salmonicida, A. . liquefaciens, Pseudomonas)

2.5 to 3.75 g/100 lb/day for 10 days

--In mixed ration
-- Water temperature not below 48.2° F
--21 day withdrawal time

Catfish

Control bacterial hemorrhagic septicemia and pseudomonas disease (A. liquefaciens, Pseudomonas)

2.5 to 3.75 g/100 lb/day for 10 days

--In mixed ration
-- Water temperature not below 62° F
--21 day withdrawal time

Lobster

Control gaffkemia
(Aerococcus viridans)

1 g/lb medicated feed for 5 days

--In feed as sole ration
--30 day withdrawal time

Sulfadimethoxine, ormetoprim (Romet-30®by Roche Vitamins, Inc.)

Salmonids

Control furunculosis
(Aeromonas salmonicida)

50 mg/kg/days for 5 days

--In feed
--42 day withdrawal time

Catfish

Control enteric septicemia (Edwardsiella ictaluri)

50 mg/kg/days for 5 days

--In feed
--3 day withdrawal time

Tricaine methanesulfonate

Fish
(Ictaluridae, Salmonidae, Esocidae, Percidae)


Other aquatic poikilotherms

Sedation/anesthesia

15 to 330 mg/L (fish)

1:1,000 to 1:20,000
(other poikilotherms)

--Powder is added to water
--Concentration depends upon , desired degree of anesthesia, species, size, water temperature and softness, stage of development; preliminary tests of solution should be made with a few fish
--21 day withdrawal time (fish); laboratory or hatchery use only in other poikilotherms

--Water temperature over 50° F

Drug

Species

Indication

Dosage regimen

Limitations/Comments

Formalin (Formalin-F® by Natchez Animal Supply Co. & Paracide-F® by Argent Laboratories)

Select finfish: salmon, trout, catfish, bluegill, largemouth bass

Control protozoa (Chilodonella, Costia, Epistylis, Ichthyophthirius, Scyphidia, Trichodina spp.) and monogenetic trematodes (Cleidodiscus, Dactylogyrus, Gyrodactylus spp.)

Tanks and raceways: Salmon & trout
Above 50°F: up to 170 µl/L; up to 1 hr
Below 50°F: up to 250 µl/L; up to 1 hr
Catfish, bluegill, largemouth bass up to 250 µl/L; up to 1 hr
Earthern ponds: 15 to 25 µl/L; indefinitely

--Drug must not be subjected to temperature below 40° F --Do not apply to ponds when water is warmer than 80° F, there is a heavy phytoplankton bloom or dissolved oxygen is less than 5 mg/L
--Ponds may be retreated in 5 to 10 days if needed --Do not treat ponds containing striped bass.

Select finfish eggs: salmon, trout, esocid

Control fungi of the family Saprolegniaceae

Select finfish eggs: 1000-2000 ppm for

Preliminary bioassay should be conducted to determine

Formalin (Parasite-S® by Western Chemical,

All finfish

Control protozoa (Chilodonella, Costia, Epistylis, Ichthyophthirius, Scyphidia, Trichodina spp.) and monogenetic trematodes (Cleidodiscus, Dactylogyrus, Gyrodactylus spp.)

Tanks and raceways: Salmon & trout
Above 50°F: up to 170 µl/L; up to 1 hr
Below 50°F: up to 250 µl/L; up to 1 hr
All other finfish up to --250 µl/L; up to 1 hr
Earthern ponds: 15 to 25 µl/L; indefinitely

--Drug must not be subjected to temperature below 40° F
--Do not apply to ponds when water is warmer than 80° F, there is a heavy phytoplankton bloom,
or dissolved oxygen is less than 5 mg/L
--Ponds may be retreated in 5 to 10 days if needed
--Do not treat ponds containing striped bass

All finfish eggs

Control fungi of the family Saprolegniaceae

All finfish eggs:
1000-2000 ppm for 15 min.; Acipenseriformes up to 1500 ppm for 15 min.

Preliminary bioassay should be conducted to determine species sensitivity

Penaeid shrimp

Control protozoan parasites (Bodo, Epistylis and Zoothamnium spp.)

Tanks and raceways:
50 to 100 µl/L, up to and 4 hours daily;
Earthern ponds:
25 µl/L; single treatment

--Drug must not be subjected to
temperature below 40° F
--Do not apply to ponds when water is warmer than 80° F,
there is a heavy phytoplankton bloom,
or dissolved oxygen is less than 5 mg/L --Ponds may be retreated in 5 to 10 days if needed

Sulfamerazine (by Roche Vitamins, Inc.)

Rainbow, brook, and brown trout

Control furunculosis

--10 g/100 lb/day for up to 14 days

--In feed
--21 day withdrawal time
--Not currently available