Feed for merchandise river crabs

A technology for growing crabs and feed, which is applied in animal feed, animal feed, climate change adaptation, etc., and can solve the problems of slow growth, limited number of wild crabs, small production size, etc.

Inactive Publication Date: 2018-01-23
周登明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the number of wild river crabs is limited. The main source of river crabs on the daily table is artificial breeding. However, if the breeding is not good, the production size is small, and the growth is slow and the nutritional value is low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1 A kind of feed of river crab into crab

[0015] A feed for river crabs, which is composed of the following components by weight: 80 parts by weight of expanded soybean powder, 20 parts by weight of steamed fish meal, 15 parts by weight of sweet potato powder, 4 parts by weight of organic salt additives, and 17 parts by weight of fermented blood meal , 13 parts by weight of Manjiang Red Powder, 22 parts by weight of rapeseed cake, 18 parts by weight of crude protein powder, 3 parts by weight of binder, and 4 parts by weight of calcium hydrogen phosphate.

Embodiment 2

[0017] A feed for river crabs, which is composed of the following components by weight: 80 parts by weight of expanded soybean powder, 20 parts by weight of steamed fish meal, 15 parts by weight of sweet potato powder, 3-5 parts by weight of organic salt additives, 16 parts by weight of fermented blood meal Parts by weight, 14 parts by weight of Manjianghong powder, 23 parts by weight of rapeseed cake, 25 parts by weight of crude protein powder, 3 parts by weight of binder, and 5 parts by weight of calcium hydrogen phosphate.

Embodiment 3

[0019] A feed for river crabs, which is composed of the following components by weight: 80 parts by weight of expanded soybean powder, 20 parts by weight of steamed fish meal, 15 parts by weight of sweet potato powder, 5 parts by weight of organic salt additives, and 18 parts by weight of fermented blood meal , 15 parts by weight of manjiang red powder, 24 parts by weight of rapeseed cake, 27 parts by weight of crude protein powder, 2 parts by weight of binder, and 3 parts by weight of calcium hydrogen phosphate.

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Abstract

The invention discloses a feed for merchandise river crabs. The feed consists of the following components in parts by weight: 80 parts by weight of puffed soybean meal, 20 parts by weight of steam fish meal, 15 parts by weight of sweet potato powder, 3 to 5 parts by weight of an organic salt additive, 15 to 20 parts by weight of fermented blood meal, 12 to 15 parts by weight of imbricate mosquitofern herb powder, 20 to 25 parts by weight of rapeseed cakes, 15 to 30 parts by weight of crude protein powder, 1 to 3 parts by weight of an adhesive, and 3 to 5 parts by weight of calcium hydrogen phosphate. The feed for merchandise river crabs provided by the invention is scientific and reasonable in component preparation, rich in nutritive value and low in costs, meets nutritive requirements ofcrab growth, can enable the crab to grow rapidly while ensuring the meat quality and a high protein content of the merchandise crabs.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a feed for adult crabs. Background technique [0002] River crabs are also called "crabs" and "hair crabs". The carapace formed by the combination of the head and the chest is square and hard. There is a pair of eyes on the front of the body, and two pairs of very sharp crab teeth on the side. The first pair of appendages of the crab are called chelicerae, and the surface is covered with fluff; behind the chelicerae, there are 4 pairs of walking legs, with flat sides and longer; the abdominal limbs have degenerated. The male and female of the river crab can be distinguished from its abdomen: the abdomen of the female is round, and the abdomen of the male is triangular. The river crab is a large crustacean with a body divided into 21 segments. Since the head and thorax segments are healed with each other, the whole body is divided into two parts: the cephalothorax and the ab...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K10/30A23K10/22A23K10/24A23K10/12A23K20/147A23K20/163A23K20/26A23K20/132A23K20/22
CPCY02A40/818
Inventor 周登明
Owner 周登明
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