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Method for quickly evaluating Rana spinosa tadpole feeding situation

A technology for frogs and tadpoles, which is applied in animal husbandry and other directions to achieve the effect of being conducive to healthy feeding

Inactive Publication Date: 2011-05-18
GUANGDONG ENTOMOLOGICAL INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, there is no report on the method of quickly assessing the breeding status of spiny-breasted frog tadpoles in the domestic breeding of spiny-breasted frogs

Method used

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  • Method for quickly evaluating Rana spinosa tadpole feeding situation
  • Method for quickly evaluating Rana spinosa tadpole feeding situation
  • Method for quickly evaluating Rana spinosa tadpole feeding situation

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Embodiment 1

[0016] The applicable object of the present embodiment is Rana spinosa tadpoles entering the 26th stage of hindlimb bud development in the mountainous area of ​​northern Guangdong. The author's research shows that after hatching from the egg membrane, Rana spinosa tadpoles enter the 26th stage of development after 31-32 days.

[0017] The method for quickly assessing the feeding status of spinosa tadpoles in the mountains of northern Guangdong in this embodiment is realized through the following two steps:

[0018] 1. Fish the well-developed wild spiny-breasted frog tadpoles in the wild in the mountainous area of ​​northern Guangdong, strictly follow Gossner's tadpole staging standards, distinguish the developmental stages of spiny-breasted frog tadpoles, and measure the head and body length and total length For the two data, the average, standard error, and maximum value of the head and body length and total length of Rana spinosa tadpoles in each stage were counted at the en...

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Abstract

The invention discloses a method for quickly evaluating a Rana spinosa tadpole feeding situation, comprising the following steps: firstly, catching Rana spinosa tadpoles of different stages and good development situations in field in an artificial feeding area; determining the stages of the tadpoles according to the staging criteria raised by Gesner; measuring the head-body length and whole length of each tadpole; calculating the head-body length and whole length of each Rana spinosa tadpole of each stage; then, measuring the head-body length and whole length of each Rana spinosa tadpole raised artificially; identifying the stage according to development characteristics; comparing the head-body lengths and whole lengths of the Rana spinosa tadpoles which are raised artificially and raised in the natural environment under the same stage; when the head-body length and whole length of the Rana spinosa tadpole raised artificially are more than or equal to those of the Rana spinosa tadpole raised in the natural environment, proving that the tadpole normally develops; and when the head-body length and whole length of the Rana spinosa tadpole raised artificially are less than those of the Rana spinosa tadpole raised in the natural environment, proving that the tadpole develops poorly.

Description

Technical field: [0001] The invention belongs to the field of animal feeding, and in particular relates to a method for quickly evaluating the feeding status of spinosa spinosa tadpoles. Background technique: [0002] Tadpoles accumulate more energy, and metamorphosis to a larger size can further increase survival potential. The body size during metamorphosis will affect the growth and reproduction of young frogs in the future, such as affecting the athletic ability of adults, sexual maturity time, size and reproductive success rate. Therefore, the scientific and rational feeding of tadpoles is particularly important. [0003] In the daily feeding and management, it is very important for the breeder to be able to quickly, accurately and timely judge the individual development status of the raised Rana spinosa tadpoles. [0004] At present, there is no report on the method for quickly assessing the breeding status of spiny-breasted frog tadpoles in the domestic breeding of ...

Claims

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Application Information

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IPC IPC(8): A01K67/02
Inventor 邹发生刘越强阳建春陈小凤余春胜
Owner GUANGDONG ENTOMOLOGICAL INST
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