Analytical method of tilapia mossambica food source

An analysis method and tilapia technology, applied in the analysis of tilapia food sources, in the field of tilapia aquaculture, can solve problems such as the mutually beneficial coupling mechanism that has not been reported, so as to avoid the interference of human activities and improve the accuracy of analysis. degree of effect

Inactive Publication Date: 2009-12-16
SUN YAT SEN UNIV
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Problems solved by technology

There is still no relevant report on the method of using stable isotope technology to study the food source of tilapia, and there is no relevant report

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  • Analytical method of tilapia mossambica food source
  • Analytical method of tilapia mossambica food source
  • Analytical method of tilapia mossambica food source

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Embodiment Construction

[0038] The present invention will be further explained below in conjunction with specific examples, but the specific examples do not limit the present invention in any way.

[0039] This embodiment takes Nile tilapia (Oreochromis niloticus), the main cultured species of tilapia, as the research object, adopts stable isotope technology, and combines gastric content analysis method to analyze two kinds of ecological environments (Mixed Larva-Red Sea Lavender) The food source of tilapia in the forest ecological culture pond and the contrast culture pond without mangrove) has been tracked and compared, and the specific steps are as follows:

[0040] 1. Choice of two ecological environments

[0041] The two kinds of ecological environments selected in this embodiment are respectively the ecological cultivation pond of Mulan-Red Sea Lam mixed forest (abbreviation ecological cultivation pond) and the contrast cultivation pond without mangrove (abbreviation contrast pond), these two k...

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Abstract

The invention discloses an analytical method of tilapia mossambica food source, which adopts stable isotope technology to analyze the tilapia mossambica food source and comprises the following steps: (1) collecting tilapia mossambica samples, collecting baits which tilapia mossambica probably ingests and processing the collected tilapia mossambica samples and the baits which are probably ingested; (2) carrying out the stable isotope determination on the processed tilapia mossambica samples and the baits which are probably ingested; and (3) data processing the stable isotope determination results, calculating and comparing the stable isotope numerical value of the tilapia mossambica samples with that of the baits which are probably ingested to obtain tilapia mossambica food source. The invention combines stable isotope technology and traditional stomach contents technology, in favor of improving analytic accuracy and precisely determining the nutrient source of tilapia mossambica, thus locating accurately the interrelation between the tilapia mossambica and other creature types and the flow of energy of the system.

Description

technical field [0001] The invention relates to the field of aquatic product cultivation, in particular to the cultivation of tilapia, and in particular to a method for analyzing the food source of tilapia. Background technique [0002] Tilapia is one of the main breeding objects in the world. The aquaculture output of tilapia in mainland my country ranks sixth in the freshwater aquaculture output and ranks first in the tilapia aquaculture output in the world. The main cultured species of tilapia is Nile tilapia (Oreochromis niloticus), which is the most successful cultured fish introduced in mainland my country. [0003] Food is one of the most important factors to promote fish growth. The distribution and utilization of food and nutrients absorbed by fish are the prerequisites for effectively increasing fish production. [0004] Tilapia can effectively utilize plankton in the water body, secrete mucus through gills to wrap plankton cells, and then ingest plankton-rich foo...

Claims

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Application Information

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IPC IPC(8): G01N27/62
Inventor 徐姗楠李适宇
Owner SUN YAT SEN UNIV
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