Now Earn from Cow Dung! Learn How to Make Big Money by Selling

Golden opportunity to earn money by selling cow dung!

Krishi Dunia

• 12 Feb, 2025 01:16 PM IST ,
• Updated Wed, 12 Feb 2025 02:29 PM

In today’s time, cow dung and other animal waste are no longer just waste materials—they have become great sources of income. By properly managing dung, urine, food waste, and other organic residues from dairy farms, we can not only protect the environment but also create fertilizers, energy, and other useful products.

Beneficial Elements of Cow Dung and Animal Waste:

Cow dung and animal urine contain essential nutrients like nitrogen, phosphorus, and potassium, which are crucial for improving soil fertility and enhancing crop yields. The use of organic waste increases the organic content of the soil, thereby improving its water retention capacity and fertility.

However, if these wastes are not managed properly, they can harm the environment. They contribute to greenhouse gas emissions (carbon dioxide and ammonia), leading to climate change. Additionally, they can cause water pollution and spread infectious diseases.

Types of Waste from Dairy Farms:

Dairy farms primarily produce two types of animal waste:

1. Solid Waste (Cow Dung):

• About 90% of the waste from dairy farms is solid.
• Methane emissions from solid waste are around 20%.
• This waste can be effectively used for manure and biogas production.

2. Liquid Waste:

• Managing liquid waste is more challenging.
• It forms a smaller portion of total waste but contributes 80% of methane emissions.
• It can be stored in ponds, tanks, or lagoons, oxidized, and later used for irrigation.

Major Methods of Animal Waste Management:

1. Composting (Manure Production):

Solid waste can be converted into organic fertilizer through composting, which returns 75% of nutrients to the soil.

• A dairy cow produces around 20 kg of dung daily.
• Compost pits should be located at least 200 meters away from residential areas to prevent odor issues.
• The temperature in the compost pit can reach 50°C to 70°C during decomposition.

2. Biogas Production:

This is a modern and advanced waste management technique where cow dung and organic waste are converted into methane and carbon dioxide.

• Methane gas can be used for energy production, including electricity and fuel.
• This method also reduces greenhouse gas emissions.

3. Vermicomposting:

This method involves using earthworms to convert cow dung into high-quality organic fertilizer.
✔ The resulting manure contains nitrogen, phosphorus, potassium, and other micronutrients.
✔ It improves soil quality and increases water retention capacity, leading to higher crop yields.

4. Liquid Waste Utilization:

Liquid waste can be oxidized in ponds, tanks, or lagoons and then used for irrigation.
✔ This process protects water resources and makes wastewater reusable.

5. Fish Farming & Algae Cultivation:

✔ Cow dung and other organic waste can be used for fish farming and algae cultivation.
✔ This provides nutritious feed for fish and helps increase water body fertility.

Lucrative Opportunities to Earn from Cow Dung & Animal Waste:

•  Set up a biogas plant to generate electricity.
• Produce and sell vermicompost organic fertilizer.
• Earn extra income from fish farming and algae cultivation.
• Process dairy farm waste into organic products and sell them in the market.

Now is the time to stop considering cow dung and animal waste as useless—instead, turn it into a great income opportunity!