Productivity rate of RCS came to low

[Kaushik]

I've been keeping red cherry shrimp (RCS ) for the last 1 year. Everything was fine at the beginning, getting at least 50 shrimp-lets per month. But recently their productivity rate dropped drastically .. For the last 3 months I didn't get a single shrimp-lets. I'm maintaining the same tank with adequate diet and calcium supplements. I guess that a new line should be added in order to get a good hatch. Waiting for the experts comments.. Abhishek and Rajivjee please reply.

[SCORPIO]

Due to interbreeding, their reproduction has been down. Still small srimplets are generating in your tank but I think they are unable to survive due to low immunity. So add some males from another source. Reproduction will be reappear in your tank. What about the water parameters?

[Romi]

Vijendra got very deep red RCS by breeding the same line... perhaps his initial stock had a hardy and superior gene pool, but perhaps it was his water change regimen as well.

How often do you do water changes, Kaushikda and what percentage ? Is it possible that you are adding something that has accumulated in this tank over a period and is interfering in the shrimp's well being only now?

[Abhishek]

Kaushik da here are some of the concerns -

1. What is your tank size?
2. What is your water change schedule?
3. What you feed to the babies?
4. How many RCS you have? - Approx.

Once will get to know will tell you the possible solutions