Ovaprim

Ovaprim Manufacturers

• Western Chemical Inc.
  

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  Ovaprim | Western Chemical Inc.

  

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  DIRECTIONS FOR USE:
  Ovaprim® is packaged ready for use in liquid form. Precise amounts for individual injections should be withdrawn directly from the bottle into a syringe. Due to the viscosity of the product, use of syringes with Luer Lock tips or permanently attached needles is strongly recommended. Use of syringes with slip tips is not recommended since needles could inadvertently eject under pressure.
  CLEANLINESS: Syringes/needles should be sterile prior to use.
  LOADING: Withdraw only enough solution from the bottle of Ovaprim® Injectable Solution as will be required for the weight of the fish. With the needle pointed upward and directed away from your face, squeeze the syringe gently to expel any trapped air.
  INJECTION: Hold the fish firmly and insert the needle into the abdominal cavity/belly between the pelvic fin and the vent or into the muscle on either side of the dorsal fin. For intra-abdominal injection in smaller species, it may be helpful to secure the fish on a soft wet surface such as a sponge, and to place the fish on its side and inject into the rear abdominal cavity to avoid contact with internal organs. Inject Ovaprim® carefully. After injection, gently place the fish into a container of clean aerated water.
  SEDATION FOR HANDLING AND RECOVERY: If necessary, sedate broodstock prior to Ovaprim® injection.
  
  DOSE:
  A general dose of Ovaprim® is 0.5 ml per kilogram of bodyweight. This dose may vary among finfish species and physiological state of individual animals. Environment and temperature also play a significant role in the reproductive process and may affect dose and timing. For most species, only a single dose of Ovaprim® is required; but treatment of fish with a single dose of Ovaprim® is only effective in fish that are within or near their natural spawning season. For other species, a split dose may be needed. For split dosing, a loading dose of 10% of the total dose should be injected, followed by injection of the remaining 90% of the total dose at least 6 hours later. In warm water species, ovulation may occur in as little as 4 hours post treatment, so fish should be monitored accordingly. Signs of ovulation/spermiation may include a noticeable swelling and “softening” of the abdomen; presence of eggs in the water; the ability to easily express eggs from the female and milt from males; and when sexes are held together in the same tank, onset of spawning behavior (e.g., males “chasing” females). However, it is important to note that the interval between treatment and the onset of ovulation is variable between species and temperature, and treated fish should be disturbed as little as possible to reduce stress during final maturation. Males may respond in shorter periods of time than females of the same species.
  DOSE CALCULATION:
  The dose is calculated based on the weight of the fish.
  
                                  FISH WEIGHT      x      OVAPRIM® DOSAGE      =      AMOUNT OF INJECTION
   Examples:                         1) 0.2 kg                               0.5 ml/kg                                           0.1 ml
                                              2) 50 gm                               0.5 µl/gm                                           25 µl
  
  
  Use of a needle guard to limit the penetration of the needle into the fish may be helpful, and use of a tuberculin or similar syringe is also recommended for accurate dosing in small fish and to minimize trauma at the injection site. Intramuscular injection may result in bleeding at the injection site. Swelling, ulceration, whiteness, redness, or hypopigmentation may also be observed at the injection site.

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