What kind of food does crayfish eat?

Crayfish, also known as crayfish, red crayfish, freshwater crayfish, etc., belong to omnivorous animals, like to eat mud at the bottom of the river, and like to eat dead fish or other aquatic organisms, mainly eat plants, but small fish, shrimp, plankton, benthos, algae can be used as its food, food shortage also kill each other, let's take a look together!

What do crayfish eat?

Lobsters are omnivorous animals. Under natural conditions, they mainly feed on organic debris, attached algae, filamentous algae, roots, leaves and fragments of aquatic plants. They especially like to eat juicy green plants, such as water lily, water hyacinth, Malay eye, green duckweed and bitter grass. Animal food includes water earthworm, earthworm, aquatic insect eggs, pupae, snails, mussels and fish, etc. Under artificial breeding conditions, compound feed, by-products of agricultural and sideline products processing (cake, rice bran, bran, etc.), scraps of slaughterhouses and various tender land grass, melons and fruits, vegetable leaves, etc. can be fed.

crawfish feed feeding

Lobsters eat mainly at night, so 70 - 80% of the daily diet is fed at night. Baits should be thrown in shallow water by the pool, and the wells should be fixed at regular time, fixed point and quantitative quality. Each pond can be equipped with 2~4 bait observation stations to observe whether the bait is eaten up every morning to determine the amount of bait thrown on that day. Too little bait will inhibit the growth of lobsters or kill each other due to hunger. Too much bait will increase the cost and cause the deterioration of pond environment. Bad for lobster growth and molting. The bait can be general prawn bait or lobster bait. According to general experience, the feeding amount of the whole day should be mastered to full, eat up, leave no residual bait shall prevail. Shrimp is fed according to 20~25% of body weight, prawn is fed according to 15~20% of body weight, prawn is fed according to 10~15% of body weight, twice a day, once in the morning and once in the evening.

Crayfish breeding feed

1. Shrimp feed: The crude protein content of shrimp feed is 37.4%. The raw materials are Peru fish meal 20%, fermented blood powder 13%, soybean cake 22%, cotton seed cake 15%, wheat middling 11%, corn flour 9.6%, bone meal 3%, yeast powder 2%, multivitamin premix 1.3%, molting hormone 0.1%, starch 3%.

2. Adult shrimp feed: The crude protein content of adult shrimp feed is 30.1%, and the proportion is Peru fish meal 5%, fermented blood powder 10%, bean cake 30%, cotton seed cake 10%, secondary powder 25%, corn flour 10%, bone meal 5%, yeast powder 2%, multivitamin premix 1.3%, molting element 0.1%, starch 1.6%.

Note: crayfish like to eat plankton, heavy metals, oil and other garbage, although not crayfish feeding objects, but can adhere to food into crayfish body. If you live in water contaminated with heavy metal ions, it is difficult for crayfish to excrete "toxins" in their bodies.