Detecting method of animals isotope element finger print and uses thereof

A detection method and isotope technology, which is applied in the field of animal isotope fingerprint detection, can solve the problems of information chain interruption, blurred animal labeling patterns, fraud, etc., and achieve the effect of convenient material collection, simple retrospective analysis, and accurate information

Inactive Publication Date: 2008-04-09
INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the coding system is mainly used in the world to record the source and migration path of animals, but there are still some limitations in practical application, such as the loss of animal tags, errors in repeated recording processes, and some objective reasons such as blurred marking patterns , and driven by interests, the producer intentionally changes the label and other subjective reasons, which will lead to interruption of the information chain, loss of traceability, or fraud and uncertainty, making the source unclear

Method used

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  • Detecting method of animals isotope element finger print and uses thereof
  • Detecting method of animals isotope element finger print and uses thereof
  • Detecting method of animals isotope element finger print and uses thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1, establishment of bovine isotope fingerprint detection method

[0028] 1. The effect of isotope fingerprints in the tail hair of each section on the influence of feed ratio during the growth period

[0029] In March 2006, nine 10- to 12-month-old calves were purchased from the cattle trading market in Wukeshu Town Economic Development Zone, Yushu City, Jilin Province, numbered No. 1-9. After purchasing the calf, select a part of the tail of each cow close to the cortex and cut the tail hair as the initial cattle tail hair sample. Then feed in 3 stages according to different feed ratios, and each stage feeds for 3 months (see Table 1 for specific feed ratios). Three of the cows were slaughtered after each stage, and they were slaughtered sequentially from No. 1 to No. 9 (see Table 2 for the specific information and feeding information of each cow). Take the oxtail hair sample from the position where the oxtail hair was clipped in the previous stage, measur...

Embodiment 2

[0053] Embodiment 2, the application effect verification of the method for detecting animal isotopic fingerprints according to the present invention

[0054] 1. Using the method of the present invention to detect animal isotope fingerprints to predict C in cattle feed 4 Proportion of plant feed

[0055] Analysis C 4 The proportion of plant feed and the δ 13 C (see Table 7 for specific values, this data is obtained from the previous cattle model test and the isotope analysis results of cattle tail hair in different regions), the results show that there is a very significant correlation between them, and the correlation coefficient is 0.961 (P13 C value and feed C 4 The relationship equation of the proportion of plants is as follows:

[0056] Y=-12.19X 2 +23.15X-22.79(R 2 =0.992, P<0.01) Formula (1)

[0057] In the formula (1), Y is the δ in the ox tail hair 13 C value; X is C in the feed 4 Proportion of plant feed

[0058] Table 7.C 4 Proportion of plant feed and δ of...

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Abstract

The invention discloses a test method and an application of animal isotope fingerprint. The invention is utilized to test the components of the stable isotope of the cercus of animal, which divides the cercus of animal into different growth sections, and tests the components of the stable isotope of the cercus of animal in the different growth sections. The components of the stable isotope are the Sigma 13C value and Sigma 15N value. The invention has the advantages that the collecting of material is easy, the information is correct, and the information of the components of the stable isotope of animal in the different growth sections can be retraced. Though the data got from the invention, the life cycle of animal can be retraced and analyzed quickly and succinctly, and the reliable result of the provenience of animal can be gained.

Description

technical field [0001] The invention relates to a method for detecting animal isotope fingerprints and the application of the method in tracing the life history and / or origin of animals. Background technique [0002] Isotopic fingerprint refers to the content and ratio of different types of isotopes. Isotopic fingerprints in organisms are affected by factors such as climate, environment, and biological metabolism, resulting in natural fractionation effects, resulting in differences in the natural abundance of isotopes in substances from different sources. This difference carries the information of environmental factors and reflects the environmental conditions of the organisms. Stable isotope composition in living organisms is a natural property of substances, which can be used as a "natural fingerprint" of substances to distinguish substances from different sources. In other words, the isotope fingerprint in the organism is the "imprint" made by the external environment o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/48G01N33/02
Inventor 郭波莉魏益民潘家荣
Owner INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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