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Vitamin premix for tilapia mossambica in developing medium-term and preparation method thereof

A technology of vitamin premix and tilapia, which is applied in the field of tilapia farming, can solve the problems of low feed utilization rate and environmental pollution, and achieve the effects of avoiding splitting and degradation, improving utilization synchronization, and increasing absorption and utilization efficiency

Active Publication Date: 2019-06-04
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current invention simply believes that the same premix formula can be used from larvae to adult fish, but in fact the fish itself has large differences in nutritional requirements due to different growth stages, which leads to the inability to accurately design different premixes. The fish feed formula in the growth stage causes problems such as low feed utilization rate and serious environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The present embodiment provides a kind of tilapia growing mid-stage vitamin premix, which comprises based on the total weight of the premix:

[0034] 21.5% by weight multivitamin, and

[0035] 12% by weight of vitamin precursors, and

[0036] 2.0 wt% organometallic complex, and

[0037] 1 wt% preservative, and

[0038] 5.5 wt% diluent, and

[0039] 58 wt% carrier.

[0040] Tilapia mid-growing vitamin premix contains rich vitamins, vitamin precursors and organometallic compounds, which provide sufficient vitamins and metal elements for tilapia in the mid-growing stage; after granulation, the vitamin premixed The mixture does not dissolve in the stomach of tilapia, and when the stomach is emptied into the intestine, it slowly dissolves and releases under the physiological conditions of the duodenum, avoiding the splitting and degradation of vitamins in the stomach, and greatly increasing the absorption in the intestine The absorption and utilization efficiency of the...

Embodiment 2

[0054] A tilapia mid-growing vitamin premix, which comprises: multivitamins, vitamin precursors, organic metal complexes, protective agents, diluents, and carriers; the tilapia mid-growing vitamin premix contains rich vitamin , vitamin precursors and organometallic compounds, providing sufficient vitamins and metal elements for tilapia in the middle stage of growing; after granulation, the vitamin premix will not dissolve in the stomach of tilapia, and the When it is empty to the intestine, it begins to slowly dissolve and release under the physiological conditions of the duodenum, avoiding the splitting and degradation of vitamins in the stomach, and greatly increasing the absorption and utilization efficiency of vitamin premixes when absorbed in the intestines, significantly improving Utilization synchrony between vitamins in multivitamin premixes and nutrient components in tilapia feed.

[0055] In the mid-stage vitamin premix for tilapia growth, the multivitamins are: vita...

Embodiment 3

[0068] Tilapia grow-out medium vitamin premix containing based on the total weight of the premix:

[0069] 35.5wt% multivitamin, 10wt% vitamin precursor, 1.5wt% organometallic complex, 0.8wt% protective agent, 4.5wt% diluent, 47.7wt% carrier; The mixture is rich in vitamins, vitamin precursors and organic metal complexes, providing sufficient vitamins and metal elements for tilapia in the middle stage of growing; after granulation, the vitamin premix is ​​in the stomach of tilapia No dissolution, when the stomach is emptied to the intestine, it will slowly dissolve and release under the physiological conditions of the duodenum, avoiding the splitting and degradation of vitamins in the stomach, and greatly increasing the absorption of vitamin premixes when absorbed in the intestine The utilization efficiency significantly improves the utilization synchronization between the vitamins in the multivitamin premix and the nutrient components of the tilapia feed.

[0070] In the vit...

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Abstract

The present invention provides a vitamin premix for tilapia mossambica in developing medium-term and belongs to the technical field of tilapia mossambica culture. The vitamin premix comprises the following raw materials based on total weight of the premix: 21.5-49.8 wt% of multivitamins, 5-12 wt% of a vitamin precursor, 1.2-2.0 wt% of an organometallic composite, 0.6-1 wt% of a protective agent, 1.4-5.5 wt% of a diluent and 42-58 wt% of a carrier. The present invention also provides a preparation method of the vitamin premix for the tilapia mossambica in the developing medium-term. The preparation method comprises mixing, homogenizing and granulating. Beneficial effects are as follows: in the developing medium-term of the tilapia mossambica, the vitamin premix provides sufficient vitaminsand metal elements and is dissolved out in the intestine, vitamin absorption and utilization efficiency is high, and during the preparation process, the protective agent significantly reduces an effect of static electricity between premixed particles and improves mixing and granulation efficiency.

Description

technical field [0001] The invention belongs to the technical field of tilapia culture, and in particular relates to a vitamin premix and a preparation method in the middle stage of tilapia cultivation. Background technique [0002] Tilapia, commonly known as: African crucian carp, non-crucian carp, Vietnamese fish, Nanyang crucian carp, etc. Originally refers to the species of Oreochromis mossambicus with Mozambique as the model origin: Mozambique Oreochromis mossambicus, now it is the common name of several species of fish in the genera Cichlidae Oreochromis and Oreochromis mossambicus ; English collectively referred to as Tilapia. Now it is a freshwater farmed fish cultivated by key scientific research in the world's aquaculture industry, and is known as one of the main sources of animal protein in the future. Usually live in fresh water, can also live in salt water with different salinity content, and can also survive in shallow water of lakes, rivers, and ponds. It h...

Claims

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Application Information

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IPC IPC(8): A23K10/26A23K20/10A23K20/105A23K20/111A23K20/142A23K20/163A23K20/168A23K20/174A23K20/26A23K50/80
CPCY02A40/818
Inventor 景斐夏立萍王斌张建设
Owner ZHEJIANG OCEAN UNIV
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