Worms primarily eat decaying organic matter. This includes dead plants, dead animals, animal waste, fruits, vegetables, and even paper.
Worms are decomposers, meaning they break down complex organic materials into simpler substances. Their diet is crucial for soil health and nutrient cycling. Here's a more detailed look at what worms consume:
- Dead Plants: Fallen leaves, decaying roots, and other plant debris are a major food source.
- Dead Animals: Worms will consume decomposing animal carcasses and waste products.
- Animal Waste: Manure from various animals is rich in organic matter and provides nourishment for worms.
- Fruits and Vegetables: Scraps and discarded produce are readily consumed by worms. However, worms avoid highly acidic fruits like citrus.
- Paper: Uncoated paper products, like newspaper and cardboard, can be added to worm bins as a food source.
What Worms Avoid
While worms have a broad diet, they tend to avoid certain things that can be harmful:
- Acidic Foods: Highly acidic fruits like lemons and oranges can disrupt the worm's digestive system.
- Onions and Garlic: These contain compounds that can be toxic to worms.
- Dairy and Meat Products: These can attract pests and create unpleasant odors in worm bins.
- Toxins: Worms are sensitive to toxins and pollutants, which can sicken or kill them.
Worm Digestion
Worms have a specialized digestive system to process their food efficiently. Key parts include:
- Mouth: Where they ingest the organic matter.
- Esophagus: A tube that transports food to the crop.
- Crop: A storage chamber for food.
- Gizzard: A muscular organ that grinds the food, aided by small stones that the worm ingests.
- Intestine: Where digestion and nutrient absorption occur.
- Anus: Where waste products (castings) are expelled.
The castings produced by worms are a valuable soil amendment, rich in nutrients and beneficial microbes.
In summary, worms eat a diverse range of decaying organic matter, playing a critical role in decomposition and soil fertility. They avoid acidic or toxic substances to protect their health.