National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Využití hormonálních přípravků při výtěru podoustve říční(Vimba vimba)
DUDA, Pavel
The aim of this bachelor thesis was to find out which of the three used hormonal products was the most effective for a hormonal induction during spawning of a vimba bream. The three mentioned hormonal products were Chorulon, Supergestran and Ovoplel, which are commonly used in fishing practice. The experiment was implemented in 2015 and the fish which were used for the experiment came from an experimental pond breeding VÚRH FROV JU in Vodnany. The hormonal products were injected to the fish in a single dose. We were examining how the fish would respond to the injected hormone and whether the maturing of the fish eggs and subsequent ovulation would proceed. The experiment clearly showed that Supergestran was the most suitable product for the hormonal induction of the vimba bream.
Hormonal induction of artificial stripping of the female tench (Tinca tinca)
MRÁZ, Jan
Hormonally induced artificial propagation of individually marked broodstock was performed identically at two sequential reproductive seasons. In both years, four separate groups of females were intraperitonealy injected by carp pituitary extrakt, Supergestran (containing GnRH analogue Lecirelin), Ovopel and Dagin (containing GnRH analogue and dopamine inhibitor) at 21 °C. In control group, no injection was carried out in broodstock. It observed the effect of treatment on the ovulation ratio, survival and growth of broodfisch, the ability of stripping in the next season and the effect on eggs.

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