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Method for evaluating green weight of soft part of ostrea gigas thunb
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A technology for wet weight and long oysters in the soft body is applied in fish farming, application, climate change adaptation, etc. Breeding progress and breeding economic benefits, the effect of strengthening the target and improving the breeding efficiency
Active Publication Date: 2014-03-26
LUDONG UNIVERSITY
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The wet weight of the soft body is the direct and accurate measure of the growth rate. Since the wet weight of the soft body is inconvenient to measure, indirect selection is generally used to select this trait. Generally, the shell length is used as the standard for evaluating the wet weight of the soft body of oysters. , but due to the changeable and irregular shapes of oysters, which are greatly affected by the environment, there are large errors in the measurement of shell length. Breeding requirements reduce the accuracy of oyster breeding and weaken the targeting of breeding
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specific Embodiment approach
[0014] The specific embodiment: the specific embodiment of the present invention is described in detail below:
Embodiment
[0015] Embodiment: a kind of evaluation method of long oyster soft body wet weight, it comprises the steps: accurately measure the shell height H, shell length L and shell width W of long oyster, calculate shell height H, shell length L and shell width W The product HLW, the greater the value of HLW, the greater the wet weight of the soft body of the long oyster. Select long oyster with high HLW value for breeding.
experiment example
[0017] 1 Materials and methods
[0018] 1.1 Experimental materials:
[0019] Long oyster: 2 groups of wild populations (sampled in Penglai and Rushan respectively, coded as Wild-Penglai and Wild-Rushan), 9 groups of cultured populations (respectively coded as Cultured-C1, Cultured-C12, Cultured-C3, Cultured-C4, Cultured-C5, Cultured-C6, Cultured-C7, Cultured-C8, and Cultured-C9).
[0020] Instruments and equipment: vernier caliper, electronic balance, air pump, water tank, plastic bucket, plastic scoop, rubber tube, plastic basket;
[0024] 1.2.1.1 All oysters are cleaned with a brush.
[0025] 1.2.1.2 Put wild populations into plastic baskets numbered YS-1 and YS-2, and put cultured populations into plastic baskets numbered YZ-1, YZ-2, YZ-3, YZ-4, YZ-5, YZ -6, YZ-7, YZ-8, YZ-9 in plastic baskets.
[0026] 1.2.1.3 Put all the water tan...
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Abstract
The invention discloses a method for evaluating the green weight of the soft part of ostrea gigas thunb. The method comprises the steps that the shell height H, shell length L and shell width W of the ostrea gigas thunb are measured; the product of HLW of the shell height H, shell length L and shell width W of the ostrea gigas thunb is calculated; the bigger the HLW value is, the bigger the green weight of the soft part of the ostrea gigas thunb is. According to the method for evaluating the green weight of the soft part of the ostrea gigas thunb, the green weight of the soft part can be reflected more accurately, the ostrea gigas thunb selection and breeding efficiency is improved, the breeding process of the ostrea gigas thunb is accelerated, the breeding precision of the ostrea gigas thunb is improved, the breeding target is strengthened, so that the genetic traits of monomer are more stable and the economic benefits are maximized.
Description
[0001] Technical field: [0002] The invention relates to an evaluation method, in particular to an evaluation method for the wet weight of the mollusk of the long oyster. Background technique: [0003] Long oyster is an important seawater economic shellfish in the world. It has a long history of breeding and a large fixed consumer group. The soft part is an edible part, which has long been one of the most important target traits for selective breeding of long oyster. The wet weight of the soft body is the direct and accurate measure of the growth rate. Since the wet weight of the soft body is inconvenient to measure, indirect selection is generally used to select this trait. Generally, the shell length is used as the standard for evaluating the wet weight of the soft body of oysters. , but due to the changeable shape and irregular shape of oysters, which are greatly affected by the environment, there are large errors in the measurement of shell length. Breeding requirement...
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