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A phagocytosis, river crab technology, applied in the application, animal feed, animal feed and other directions, can solve the problems of odor, difference in breeding effect, loss of color and flavor, etc., to improve breeding efficiency, increase feeding speed and food intake, The effect of reducing the feed coefficient
Inactive Publication Date: 2014-02-05
王馨洁
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In addition, in the process of production and storage, the compound feed more or less loses its original color and flavor, and even has a special odor. Even the compound feed with comprehensive nutrition will have a great effect on breeding. difference
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Embodiment 1
[0012] The formula of river crab food attractant: glycine 5%, alanine 6%, tyrosine 5%, phenylalanine 5%, betaine 45%, taurine 19%, citric acid 5%, garlic 3%, Onion 1%, woody 3%, parsley 2%, kiwi 1%.
Embodiment 2
[0014] The formula of river crab food attractant: glycine 6%, alanine 7%, tyrosine 6%, phenylalanine 7%, betaine 38%, taurine 16%, citric acid 6.5%, garlic 3%, Onion 1.5%, woody 4%, parsley 4%, kiwi 1%.
[0017] In order to verify the effect of the food attractant of the present invention, the applicant started a 40-day feeding test on November 5, 2012, as follows:
[0018] 1.1 Test method: select 56 river crabs with a body weight of 5.3-9.8g, and randomly divide them into four groups, namely the experimental group and the control group, with 14 crabs in each group, and put each crab in a size of 80cm×40cm×60cm In the aquarium, arched tiles are used as concealed objects, and aquatic plants such as water hyacinth and hydrilla are placed in the water body to transfer water and make auxiliary feed. During the breeding period, the water depth was 28cm, the water temperature was 23-26°C, and the dissolved oxygen was above 5mg / L. The experimental group added 0.2% food attractant on the...
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Abstract
The invention discloses a river crab phagostimulant. The river crab phagostimulant comprises following components by weight percent: 5%-7% of glycine, 6%-8% of alanine, 5%-7% of tyrosine, 5%-8% of phenylalanine, 35%-45% of glycine betaine, 15%-20% of taurine, 5%-7% of citric acid, 3%-4% of garlic, 1%-2% of onion, 3%-5% of radix aucklandiae, 2%-6% of petroselinum hortens hoffm and 1%-3% of kiwi fruits. According to the river crab phagostimulant, the phagostimulant which is 0.1%-0.5% of the weight of river crab formula feeds is added into the river crab formula feeds so as to improve the palatability of the feeds, increase the ingestion speed and the ingestion amount of river crabs, reduce the waste caused by dissolving and dispersing the feeds and pollution to water quality, accelerate the growth of the river crabs and improve the digestion and absorption rate of the feeds; therefore, the feed coefficient is reduced, the production cost is lowered and the culture benefits are improved.
Description
technical field [0001] The invention belongs to the technical field of aquatic animal additives, and in particular relates to a river crab food attractant. Background technique [0002] The bait is the material basis for the growth of river crabs. The amount and quality of the bait directly affect the growth and development of river crabs, and have a great impact on the output and economic benefits of river crabs. River crabs have a wide range of feeding habits, and their feeding habits are also different at different stages of their growth and development. From the early stage larvae to feed on plankton, to juvenile crabs to feed on aquatic animals and plants and dead bodies, etc., and then turn to an omnivorous animal-based bait, preferring to eat small fish, shrimp, snails, clams, etc. When raised in captivity, they can also ingest cereals, cakes and artificial compound feeds well. Under artificial breeding conditions, river crabs often feed on shellfish, snails, frozen...
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