Additive and feed for improving anti-stress capability of penaeus vannamei boone and application of additive and feed

A white shrimp, anti-stress technology, applied in the application, animal feed, animal feed and other directions, to prevent abnormal deposition in the hepatopancreas, has wide application prospects, and is convenient for large-scale promotion.

Pending Publication Date: 2021-11-30
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the relationship between inositol and salinity stress, hypoxia stress and ammonia nitrogen stress and the synergistic effect of vitamin C and inositol have not been found in Penaeus vannamei

Method used

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  • Additive and feed for improving anti-stress capability of penaeus vannamei boone and application of additive and feed
  • Additive and feed for improving anti-stress capability of penaeus vannamei boone and application of additive and feed
  • Additive and feed for improving anti-stress capability of penaeus vannamei boone and application of additive and feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1 Effect of vitamin C content on growth performance and antioxidant level of Penaeus vannamei

[0034] 1.1 Experimental method

[0035] 1.1.1 Experimental group settings

[0036] Vitamin C polyphosphate (35% effective content) was used as the source of vitamin C in the test, and the concentration of vitamin C in the feed of the test group was determined by high performance liquid chromatography.

[0037] Test group 1:

[0038] Feed additive: The mass ratio of vitamin C (measured content) to myo-inositol (added amount) is: 48.55:300

[0039] Feed formula: 25% fish meal, 25% peeled soybean meal, 12% peanut bran, 24.27% wheat flour, 5% krill meal, 3% brewer's yeast, 1% fish oil, 1% soybean oil, 1% soybean lecithin; Calcium hydrogen 1%, choline chloride (effective content 50%) 0.2%, compound mineral salt 0.5%, multivitamin 1% (the effective content of myo-inositol is 97%, the added amount is 300mg / kg feed), vitamin C Polyphosphate 0.03%. The vitamin C content i...

Embodiment 2

[0066] Example 2 Effects of inositol content on the ability of Penaeus vannamei to resist salinity stress, hypoxia stress and ammonia nitrogen stress and antioxidant level

[0067] 2.1 Experimental method

[0068] 2.1.1 Test group settings

[0069] Test group 5

[0070] Feed additive: the mass ratio of myo-inositol (added amount) to vitamin C (added amount) is: 100:250

[0071] Feed formula: fish meal 20%, peeled soybean meal 25%, peanut bran 12%, wheat flour 24.29%, krill meal 5%, brewer's yeast 3%, soybean protein concentrate 4%, fish oil 2%, soybean oil 2%, diphosphate Calcium hydrogen 1%, choline chloride (effective content 50%) 0.2%, compound mineral salt 0.5%, multivitamin 1% (the amount of vitamin C added is 250mg / kg feed), myo-inositol (effective content 97%) The added amount is 100mg / kg feed. The content of myo-inositol in the feed obtained by gas chromatography (NY / T 1345-2007) is 368.8mg / kg feed.

[0072] Test group 6

[0073] Feed additive: the mass ratio of ...

Embodiment 3

[0123] Example 3 Effects of Vitamin C and Inositol on Oxidative Stress Caused by High Copper

[0124] 3.1 Experimental method

[0125] 3.1.1 Test group settings

[0126] Test group 10

[0127] Feed additive (addition amount): the mass ratio of myo-inositol, vitamin C and copper sulfate pentahydrate is: 200:250:430.76.

[0128] Feed formula: fish meal 20%, peeled soybean meal 25%, peanut bran 12%, wheat flour 24.04%, krill meal 5%, brewer's yeast 3%, soybean protein concentrate 4%, fish oil 2%, soybean oil 2%, diphosphate Calcium hydrogen 1%, choline chloride (effective content 50%) 0.2%, compound mineral salt 0.7%, multivitamin 1% (the amount of vitamin C added is 250mg / kg feed), myo-inositol (effective content 97%) The addition amount is 200mg / kg feed, and the addition amount of copper sulfate pentahydrate is 430.76mg / kg feed. The content of myo-inositol in the feed determined by gas chromatography (NY / T 1345-2007) is 465.9 mg / kg feed; the content of copper in the feed me...

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Abstract

The invention discloses an additive for improving the anti-stress capability of penaeus vannamei boone. The additive is prepared from the following components: vitamin C and myo-inositol in a mass ratio of (200-300) to (200-300). The invention further discloses a feed for improving the anti-stress ability of the penaeus vannamei boone. The feed is prepared from a basal feed, vitamin C and myo-inositol, and in each kilogram of the feed, the content of the vitamin C is 200-300mg, and the content of the myo-inositol is 200-300mg. The invention further discloses application of the additive and the feed. The additive and the feed can improve the salinity stress resistance, hypoxia stress resistance, ammonia nitrogen stress resistance and high copper stress resistance of the penaeus vannamei boone, especially improve the environmental stress resistance of the penaeus vannamei boone and relieve oxidative stress caused by high copper.

Description

technical field [0001] The invention relates to an aquaculture additive and a feed, in particular to an additive for improving the anti-stress ability of Penaeus vannamei and its application. At the same time, the invention relates to the feed containing the additive and its application. Background technique [0002] In the process of aquaculture, stress sources such as oxygen, salinity and ammonia nitrogen can easily cause a stressful environment and affect the health of aquatic animals. Salinity affects shrimp growth, osmoregulation, oxygen consumption, moulting, and immunity. Although Penaeus vannamei can adapt to the salinity environment from 1‰ to 50‰, salinity stress will still reduce the resistance and immunity of shrimp to pathogen infection and affect the physiological function of shrimp. Due to the limitation of water area, the breeding density of prawns has gradually increased. The high-density farming model developed based on economic and environmental conside...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K20/174A23K20/105A23K10/22A23K10/37A23K10/30A23K10/16A23K20/147A23K20/158A23K20/26A23K20/20
CPCA23K50/80A23K20/174A23K20/105A23K10/22A23K10/37A23K10/30A23K10/16A23K20/147A23K20/158A23K20/26A23K20/20Y02A40/818Y02P60/87
Inventor 陈世俊甘炼郭庆祺韦彦如
Owner SOUTH CHINA AGRI UNIV
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