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Searching for male breeding specimens 12 Apr

Searching for male breeding specimens

Sometimes we go in search of reproducers through the electro-fishing. This happens, for example, in the side courses of the Volturno where it is not possible to anchor fixed capture stations due to the high risk of floods. During these activities we go both in search of marked specimens and specimens to tag, in order…

The Lorda stream in Castelpizzuto 29 Mar

The Lorda stream in Castelpizzuto

Between the end of February and the beginning of March, the eradication of alien trout and subsequent sowing of 8,000 eggs and newly hatched larvae of native Mediterranean trout took place in the upper section of the Lorda stream near the Municipality of Castelpizzuto. The Municipality of Castelpizzuto has decided to actively support our project,…

Fertilization by doses of frozen semen 24 Mar

Fertilization by doses of frozen semen

The material stored in our cryobank is always available and ready for use. It allows us to always have the semen of dozens of genotyped native males available to fertilize the eggs of the females captured in the fixed stations. In the video we are in one of the side stations of the Volturno and…

Biferno – sowing 2021 15 Mar

Biferno – sowing 2021

At the beginning of March we began to sow the Biferno eggs incubated in the Oratino hatchery. The first 15 nests were built on the Rio Freddo, at the sources of the Biferno di Pietre Cadute and at the sources of the Rio Santa Maria. Inside them we sowed the first 10,000 embryonated eggs. In…

Rocchetta: Work in progress 09 Mar

Rocchetta: Work in progress

Despite the pandemic and the entry of Molise into the red zone, the works to adapt the facilities of the Rocchetta a Volturno plant continue in maximum safety. In the pre-existing external tanks, partitions are being built to allow a rational use of the structures, especially with an eye to the future, when these places…

Trout “eyed” egg observed under a digital microscope 19 Feb

Trout “eyed” egg observed under a digital microscope

At the Rocchetta a Volturno hatchery, during the EASME monitoring visit on 11 and 12 February, we observed through a digital microscope an egg that we had fertilized in early January with the cryopreserved seed. When fertilization is successful, at a certain point of the incubation those two black points appear, which correspond to the…

The cryobank on Dire.it 16 Feb

The cryobank on Dire.it

The press release on the first European cryobank of Mediterranean trout seed created by Unimol thanks to LIFE NatSalMo had considerable success, not only in the traditional press (see the press review), but also in local and national news. At the link, one for all, the Tg di Dire.it, a national press:  

January 2021 on the Volturno river 05 Feb

January 2021 on the Volturno river

January is the main month for spawning in the Volturno River and its sides. Females mature their eggs, approach breeding sites, build nests and deposit thousands of small yellow eggs there. The color is due to the yolk which will be the nourishment first for the embryo and then for the newly hatched larvae (the…

The circles of deposition of the scales in the trout 27 Jan

The circles of deposition of the scales in the trout

To know how to protect a species and manage the human activities connected to it, it is important to know its biological characteristics, dynamics and behaviors. The age, the growth rate of the trout and therefore the length reached at the first reproduction are decisive parameters. To estimate the age of the fish, we can…