Krishi Safal

About the course

Lecture 1.1 - Different sources of getting fish

Lecture 1.2 - Why to get into aquaculture?

Lecture 1.3 - F.C.R.

Lecture 1.4 - Different methods of fish farming

Lecture 1.5 - High density fish farming methods

Lecture 1.6 - Basic water parameters

Chapter 1 Quiz

Lecture 2.1 - Brief history of biofloc system

Lecture 2.2 - What is Biofloc system?

Lecture 2.3 - Basic principle of biofloc system

Lecture 2.4 - Different types of biofloc system

Lecture 2.5 - Advantages of biofloc system

Lecture 2.6 - Fishes in biofloc system

Lecture 2.7 - Disadvantages of biofloc system

Chapter 2 Quiz

Virtual Farm Visit

Lecture 3.1 - Ammonia accumulation in the pond

Lecture 3.2 - How ammonia affects the fishes?

Lecture 3.3 - Factors affecting ammonia toxicity

Lecture 3.4 - Nitrogen conversion process in biofloc

Lecture 3.5 - Heterotrophic bacteria converting ammonia into protein

Chapter 3 Quiz

Lecture 4.1 - C N Ratio

Lecture 4.2 - Calculation of nitrogen in the system

Lecture 4.3 - Calculation of carbon source needed

Lecture 4.4 - Managing ammonia in the tank

Lecture 4.5 - Different carbon sources

Lecture 4.6 - Things to be taken care of

Lecture 4.7 - Practical Clip - Adding Carbon source

Lecture 5.1 - Other toxins that can be formed - Nitrite

Lecture 5.2 - Others toxins that can be formed - Hydrogen sulphide

Lecture 5 Quiz

Lecture 6.1 - Testing kits required

Lecture 6.2 - Some of the common measuring units

Lecture 6.3 - Water parameters

Lecture 6.4 - Alkalinity and pH levels

Lecture 6.5 - Sodium Bicarbonate

Lecture 6.6 - Practical Clip - Adding sodium bicarbonate, calcium carbonate , dolomite

Lecture 7.1 - Different types of Biofloc tanks

Lecture 7.2 - Tank Construction

Lecture 7.3 - Construction of round tank

Lecture 7.4 - Different stages of construction

Lecture 7.5 - Calculating water capacity of the tank

Lecture 7.6 - Roofing

Lecture 7.7.1 - Practical Clip - Tank Construction 1

Lecture 7.7.2 - Practical Clip - Tank Construction 2

Chapter 7 Quiz

Lecture 8.1 - Aeration

Lecture 8.2- How to choose Aeration Unit

Lecture 8.3- Different Aeration Designs

Lecture 8.4- Choosing Aerators

Lecture 8.5- Aeration Tank for 4 Diameter Tank

Lecture 8.6- Farmer case Studies of Improper Aeration

Lecture 8.7.1 - Practical Clip - Aeration 1

Lecture 8.7.2 - Practical Clip - Aeration 2

Lecture 9.1- Preparation Of Probiotic 1

Lecture 9.2- Preparation of Probiotic 2 or Feed Probiotic

Lecture 9 Quiz

Lecture 10.1- Water Preparation

Lecture 10.2- Chlorination and De chlorination process

Lecture 10.3- Things To Do Before Chlorination

Lecture 10.4- De chlorination

Lecture 10.5- Water Preparation for 4 Diameter Tank

Lecture 10.6- Floc Creation

Lecture 11.1- Fish Stocking Density

Lecture 11.2- Stages of Fish Growth

Lecture 11.3- Things to be careful of when getting Fish Seeds

Lecture 11.4- Adding Fish Seeds

Lecture 11.5- Fishes that have shown good result in Biofloc System

Lecture 11.6- Practical Clip - Fish Seed Depositing

Lecture 11 quiz

Lecture 12.1.1 - Feeding 1

Lecture 12.1.2 - Feeding 2

Lecture 12.2 - Feed Chart

Lecture 12.3 - Other Sources of feed

Lecture 12.4 - Practical Clip - Feeding

Lecture 13.1 - Tank Management

Lecture 13.2 - Floc Management

Lecture 13.3 - Other ways to control floc

Lecture 13.4.1 - Practical Clip - Alkalinity Test

Lecture 13.4.2 - Practical Clip - Nitrite, Nitrate, DO, pH test

Lecture 13.4.3 - Practical Clip - DO testing

Lecture 13.4.4 - Practical Clip - Floc control using filtration system

Lecture 13.4.5 - Practical clip - Floc control using settling tank

Lecture 13.4.6 - Practical Clip - Foam formation

Lecture 13.4.7 - Practical Clip - Salinity and pH test

Lecture 13.4.8 - Practical Clip - Dead floc removal

Lecture 13 quiz

Lecture 14.1 - Power Backup

Lecture 14.2.1 - Fixed cost

Lecture 14.2.2 - Variable Cost

Lecture 14.2.3 - Deciding fish price and Profitability

Lecture 14.3 - Marketing Strategies

Lecture 15.1 - Disease Management - Prevention is better than cure

Lecture 15.2 - Early symptoms and actions

Lecture 15.3 - Bacterial infections and solutions

Lecture 15.4 - Protozoa diseases and treatment

Lecture 15.5 - Fungal diseases and treatment

Lecture 15.6 - Fish Lice

Lecture 15.7 - Alternative treatment methods

Lecture 15.8.1 - Muddy taste in fishes

Lecture 15.8.2 - Practical Clip - Cleaning and cutting fish to remove the muddy taste

Lecture 15.9 - Other items required in a biofloc farm

ENDING NOTE

Lecture 15 quiz