“Ovaprim-C” manufactured by a Canada-based company, M/s Syndel laboratories, is in use world over today for induced spawning of fishes. Ovaprim-C contains 20 μg of Salmon gonadotropin releasing hormone (GnRH) and 10 mg of domperidone ml. The high cost and viscosity of Ovaprim proved a prohibitive factor. Another synthetic hormone “Ovatide” has been manufactured by a Mumbay based M/s Hemmo Pharm...

Background: The objective of the present study was to examine the effect of Ovaprim dosage on the latency period, relative number of ovulated eggs, fertilization, hatching, and survival rates of the siban fish, Cyclocheilichthys apogon. Methods: Three dosages of Ovaprim were tested in this study, namely 0.3 ml kg-1 of broodfish body weight, 0.5 ml kg-1 body weight, and 0.7 ml kg-1 body weight, ...

The major objective of the present study was to demonstrate the actions of exogenous melatonin on ovaprim (synthetic GnRH and domperidone)-induced final oocyte maturation focusing on the oxidative status of pre-ovulatory follicles in the carp Catla catla. Accordingly, gravid carp during the early spawning phase of the reproductive cycle were injected with melatonin and/or ovaprim at different t...

background: the breeding performance is an important parameter to evaluate the breeding success in captive condition. the optimum hormone dose in combination with latency period is desirable for getting best breeding performance in fish. objectives: the objective of the study was to find the spawning latency period in the hormonal induced reproduction of snow trout with two inducers (ovaprim an...

Received: Revised: Accepted: May 18, 2014 May 23, 2014 May 28, 2014 The study has been designed for the induced breeding of Giant Catfish, Sperata seenghala using hormonal analogues at Aquaculture and Fisheries Program, National Agricultural Research Center, Islamabad. The different hormonal analogues used in this study were ovaprim, HcG, LHRH and ovatide. The dose of ovaprim was 0.5 ml/kg 1b.w...

  Background: The breeding performance is an important parameter to evaluate the breeding success in captive condition. The optimum hormone dose in combination with latency period is desirable for getting best breeding performance in fish. Objectives: <span style="color: win...

Induced spawning of C. batrachus was conducted at different Ovaprim dose and latency period combinations to observe the deformed larvae among the hatchlings. For the purpose, four doses of Ovaprim (0.5, 1.0, 1.5 and 2.0 ml/kg body weight) and five latency periods (11, 14, 17, 20 and 23 hr) were considered in 20 different combinations. There were no deformed larvae in the females injected with a...

The objective of the present study was to examine the effect of Background Ovaprim dosage on the latency period, relative number of ovulated eggs, fertilization, hatching, and survival rates of the siban fish, Cyclocheilichthys . apogon : Three dosages of Ovaprim were tested in this study, namely 0.3 ml Methods kg-1 of broodfish body weight, 0.5 ml kg-1 body weight, and 0.7 ml kg-1 body weight,...

An induced breeding experiment with Indian major carp, catla (Labeo catla) was conducted to know the efficacies of three different doses dry Pituitary gland and wet in comparison that ovaprim. Intra- peritoneal injections were given at base pelvic fin PG low dose (DPL), 1 mg/Kg body weight for first female fish after 6 hours interval second (2 weight) administered; same time male. For medium (D...