Introduction :
Vigyan Ashram promotes sustainable and practical approaches to waste management through innovative technologies. One such approach is the use of Black Soldier Fly (BSF) larvae for the decomposition of organic waste. BSF larvae efficiently convert organic waste into valuable biomass, which can be used as a high-protein feed source for poultry. This project focuses on improving the feeding system and monitoring the growth of BSF larvae to enhance waste conversion efficiency and larval production.
Problem Statement :
The BSF larvae were not growing properly because they were not receiving sufficient and balanced nutrition. The feed provided was inconsistent in quality and quantity, resulting in slow growth, reduced larval activity, and lower waste decomposition efficiency. Improper moisture levels in the feed also affected larval development.
Need of the Project:
Proper growth of BSF larvae is essential for efficient organic waste management and the production of high-quality poultry feed. Therefore, it was necessary to develop a suitable feeding system that provides balanced nutrition and maintains appropriate environmental conditions for healthy larval growth.
Approach :
To solve this problem, a nutritious feed mixture was prepared using locally available organic materials such as mixed grains, bran, vegetable waste, poultry dropping, chicken waste, azolla, and eggshell powder. Regular monitoring of larval growth, feed consumption, moisture level, and environmental conditions was carried out to ensure healthy development of the larvae.
Aim :
The aim of this project is to improve the growth and development of BSF larvae by providing balanced organic feed and maintaining suitable environmental conditions. The project also aims to support sustainable waste management and produce protein-rich feed for poultry.
Objectives :
- To prepare and provide nutritious feed for BSF larvae.
- To improve larval growth through proper feeding practices.
- To monitor larval growth, activity, and health regularly.
- To maintain the moisture content of the feed at an optimum level.
- To ensure proper environmental conditions for larval development.
- To improve organic waste decomposition efficiency.
- To produce healthy and protein-rich larvae for poultry feed.
- To maintain smooth operation of the monitoring and feeding system.
Methodology
- Prepared a balanced feed using organic ingredients.
- Provided feed to BSF larvae trays regularly.
- Monitored larval growth, activity, and feed consumption daily.
- Maintained suitable temperature and cleanliness.
- Recorded observations to evaluate larval performance.
Feed Formulation :
Expected Outcomes :
- Prepared a balanced feed using organic ingredients.
- Provided feed to BSF larvae trays regularly.
- Monitored larval growth, activity, and feed consumption daily.
- Maintained suitable temperature and cleanliness.
- Recorded observations to evaluate larval performance.
Feeding and Monitoring Record of BSF Larvae
- 27 May: Collected 5 DOL BSF larvae from Mahesh Sir and transferred them to rearing trays for further feeding and monitoring.
| Date | Feed Added | Observation |
| 28 May | At 5 kg Mixed Grains, 3 kg Vegetable Waste, 2 kg Poultry Droppings, 500 g Curd, 2 kg Chicken Waste, 2 kg Azolla, 400 g Egg shell Powder | First feeding provided to 6 DOL BSF larvae. Total feed weight: 14 kg. Growth monitoring started. |
| 31 May | 5 kg Mixed Grains, 3 kg Vegetable Waste, 2 kg Poultry Droppings, 500 g Curd, 2 kg Azolla, and 400 g Egg shell Powder . | Fourth day of feeding. Second feeding provided to 10 DOL BSF larvae. Unconsumed feed, foul odor, and fungal (mold) growth were observed due to excess moisture. |
| 02 Jun | 5 kg Mixed Grains, 3 kg Vegetable Waste, 2.4 kg Poultry Droppings, 500 g Curd, 2 kg Azolla, and 400 g Egg shell Powder. | Sixth day of feeding. Third feeding provided to 12 DOL BSF larvae. No remaining feed was observed, and sawdust was added to control moisture and odor |
| 04 June | 10 kg Mixed Grains, 6 kg Vegetable Waste, 4.8 kg Poultry Droppings, 500 g Curd, 4 kg Azolla, 800 g Eggshell Powder, and 4.4 kg Chicken Waste (Total Feed: 40 kg) | Eighth day of feeding. Fourth feeding provided to 14 DOL BSF larvae. No leftover feed was observed, but a slight chicken waste odor was present. |
| 06 June | 10 kg Mixed Grains, 10 kg Bran, 10 kg Vegetable Waste, 4.8 kg Poultry Droppings, 500 g Curd, and 800 g Eggshell Powder (Total Feed: 40 kg) | 10th day of feeding. Fifth feeding provided to BSF larvae. No leftover feed was observed. Ammonia odor was present, and moisture content was slightly low. |
Results :
- BSF larvae showed improved growth during the 10-day feeding period.
- Feed consumption increased gradually with larval development.
- Moisture, odor, and fungal growth issues were identified and managed.
- Regular monitoring helped maintain healthy larval conditions.
Revised Day-wise Feeding Plan (After Discussion with Mr.Dixit Sir On Sunday,7 june)
On 7 June Sunday, a discussion was held with Dixit Sir to standardize the feeding schedule and growth monitoring procedure for BSF larvae. Based on the discussion, the following feeding plan was prepared.
| Day | Mixed Grains (kg | Additional Feed / Straw |
| Day 1 | 12.5 kg | 2.5 kg feed mixture + 5 kg Straw |
| Day 3 | 15 kg | 5 kg feed mixture (No Straw) |
| Day 5 | 17.5 kg | 5 kg feed mixture (No Straw) |
| Day 7 | 20 kg | 10 kg feed mixture (No Straw) |
| Day 9 | 20 kg | 10 kg feed mixture (No Straw) |
Growth Monitoring Plan :
- On Days 1, 3, and 5, ten larvae were collected from each tray every day.
- The average weight of the collected larvae was recorded and reported.
- On Days 7 and 9, 10 larvae were collected from each tray for weight measurement and reporting.
- Larval growth, feed consumption, moisture content, and overall health monitored.
Purpose of the Revised Plan
The revised feeding schedule was designed to:
- Provide sufficient nutrition according to larval growth stage.
- Improve feed conversion efficiency.
- Reduce excess moisture and odor problems.
- Ensure accurate monitoring of larval weight gain.
