about rudra trout fish farm  tirthan valleyss

About Hatchery & Breeding

We have a Trout hatchery capacity 2.50lacs of eggs production started in 2019 and having 8 raceways of 17 metre each.Rudra Trout Farm have the first private hatchery in Himachal Pradesh. Our fish farm have all size of rainbow Trout i.e.(from eggs stage to brothers stage ) ,available all the seasons.
A good start is critical to the long-term growth and survival of the fish. As fish are most susceptible to disease and mishandling during the early-rearing stages, it is imperative that you utilize your best water in your hatchery system. Hatchery water should always be “first-use”, preferably from an isolated, uncontaminated spring or well (borehole). Stream or river waters may often become turbid with fine particles and such conditions are not ideal for hatching eggs or rearing alevins. If stream or river water is used, then it is recommended that some form of filtration is included at the intake point in the hatchery design. Ideally, hatchery systems should be flow-through (single pass) and utilize cold, pathogen-free water HILL. Both rivers are full of Brown Trout and rainbow Trout for fishing angling and Fly fishing.

Water quality parameters

  • The following are the optimum water quality parameters for incubating eggs, hatching eggs and early stages of the alevin life cycle:
  • Temperature. The ideal range of incubating and hatching eggs is 8 – 12⁰ C (46 - 54⁰F) although temperatures of 4 - 19⁰ C (39 - 66⁰F) are tolerable for short periods.
  • Dissolved oxygen. The oxygen levels should be at > 95% in the incoming water and > 75% exiting the eggs or alevin ponds. pH should be in the range 6.7 – 8.0
  • Dissolved gas. (Nitrogen) should be < 105% or problems with gas super-saturation or “gas bubble disease” is likely to occur. Alkalinity/Hardness. The alkalinity should be > 75mg/litre.
  • Chemicals and minerals. There should be either a complete absence or only a trace amount of contaminants such as ammonia, cadmium, chlorine, copper, hydrogen sulphide, lead, mercury and zinc.
  • Light levels. All incubation and hatching of eggs should be done in low light levels to avoid disturbance of alevins.

Water flows for hatching eggs
Different hatching systems may demand different water flows but as a general rule, a minimum flow of 4-6 litres per minute per 100.000 eggs at temperatures below 15⁰C (59⁰F ) is recommended to provide adequate oxygen. The oxygen saturation of water is dependent on temperature so, at temperatures above 15⁰C (59⁰F), the flow should be increased. The oxygen levels should be monitored and should not fall below 6 ppm (parts per million). The amount of water flowing through eyed eggs should not be excessive to move the eggs too rapidly or violently. Agitation or slight “tumbling” of the eggs in the incubators is useful to remove/wash off egg shells when the alevins start to hatch.
Main methods for incubation and hatching eyed eggs
Once you have gone through the steps of receiving and counting the eggs, it is time to introduce them into your incubation units. As with all steps in the hatchery process, this should be done with great care by trained personnel only. Multiple incubation systems exist and finding one that is reliable, efficient and best fits your resources and needs is important. The three most common types of incubators are: Vertical incubators (“Heath trays or stack”). Horizontal incubators (“California baskets or trays”) Upwelling incubators (“Jars”)

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