CN101690467A - Method for comprehensively evaluating and selecting the shell quality of laying duck - Google Patents
Method for comprehensively evaluating and selecting the shell quality of laying duck Download PDFInfo
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- CN101690467A CN101690467A CN200910153328A CN200910153328A CN101690467A CN 101690467 A CN101690467 A CN 101690467A CN 200910153328 A CN200910153328 A CN 200910153328A CN 200910153328 A CN200910153328 A CN 200910153328A CN 101690467 A CN101690467 A CN 101690467A
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Abstract
The invention discloses a method for comprehensively evaluating and selecting the shell quality of a laying duck, belonging to the technical field of selective breeding of livestock. The method is provided based on establishing an equation of a comprehensive evaluating index of the shell quality of the laying duck, namely equaling to 0.39523 * QiQ & OverBar + 0.52126 * DiD&OverBar + 0.53837 * CiC & OverBar + 0.53127 * RiR & OverBar. The method comprises the following steps: (1) determination of the shell strength, the blunt end thickness, the equator thickness and the acute end thickness of a laying duck group to be measured and arrangement of average value; (2) calculation of the equation of the comprehensive evaluation index; and (3) selection of excellent laying duck parental individual and the like. The comprehensive evaluation index acquired by the method has high relevance to each individual shell evaluation index, overcomes the deviation of the traditional single performance evaluation, contributes to sanitary safety of the duck egg products, and reduces the damage rate in industrial production. The method can be popularized and applied in the field of breeding of livestock.
Description
Technical field
The present invention relates to poultry breeding technique field, relate to a kind of Comprehensive Assessment method of egg Ovum Anas domestica putamina quality specifically.
Technical background
The egg evaluation work of duck varieties quality of egg, be the important step of egg with the seed selection of duck varieties eggshell proterties, also be one have high input, the time is long, concern the key job that the quality of egg seed selection is effective and bad, particularly when the relevant a plurality of proterties of quality of egg were selected simultaneously, it is particularly outstanding that these difficulties seem.And quality of egg influences the breakage rate of birds, beasts and eggs chain production, also is the important natural cover for defense of the isolated extraneous germ contamination of birds, beasts and eggs product, is guaranteeing birds, beasts and eggs security of products problem to a great extent.And the duck's egg product is in the industrialization development primary stage, and the method for therefore finding out the Comprehensive Assessment of a kind of effective egg Ovum Anas domestica putamina quality is very necessary, especially for the seed selection of egg Ovum Anas domestica putamina quality and the chain production of duck's egg product.This method is also optimized at the shortcoming of traditional quality of egg Comprehensive Assessment method.Traditional quality of egg assessment method, be with in the quality of egg as eggshell strength, the direct observation of one or two proterties in the correlated traits such as shell thickness or the size of mean value are as the evaluating basis of quality of egg quality, and this method can not be comparatively comprehensively and utilized the measured value of all quality of egg correlated traits that quality of egg is carried out Comprehensive Assessment fully.Therefore traditional quality of egg assessment method exists: the first, can accurately not evaluate quality of egg, and can not be together with the informix of the relevant proterties of all quality of egg; The second, inaccurate proterties weight coefficient causes individual choice index and actual deviation to become big when carrying out individual quality of egg comprehensive selection in conjunction with proterties heritability, prolongs the seed selection time limit.For this reason, many researchers constantly explore new more efficiently quality of egg Comprehensive Assessment way, to change the deficiency of above-mentioned eggshell assessment technology.
Comprehensive Assessment method for egg Ovum Anas domestica putamina quality also never had report both at home and abroad, also never found out the effective ways of egg Ovum Anas domestica putamina quality being implemented Comprehensive Assessment, selected still to belong in the technical field blank in the Comprehensive Assessment of quality of egg correlated traits.China is as first big country of duck's egg output, the gross annual output amount accounts for more than 70% of whole world gross yield, and quality of egg is one of key factor that influences the duck's egg quality, the quality that studies show that quality of egg affects duck's egg and is subjected to the height of extraneous germ contamination possibility and the length of holding time, still restricts the key factor of bright egg product streamline growth simultaneously.Therefore the Comprehensive Assessment way of setting up a kind of effective quality of egg is necessary, and also the comprehensive seed selection for the relevant proterties of egg Ovum Anas domestica putamina aspect provides reliable theoretical foundation.
Summary of the invention
The present invention seeks to,, provide a kind of, carry out the method that the Comprehensive Assessment of egg Ovum Anas domestica putamina quality is selected according to eggshell Comprehensive Assessment index at the existing defective of traditional egg Ovum Anas domestica putamina flavor evaluation method.
The method that egg Ovum Anas domestica putamina quality Comprehensive Assessment of the present invention is selected, be by to a plurality of local egg duck varieties, more than 500 piece of duck's egg its egg-laying peak (being that laying rate reaches more than 60%), select eggshell strength, end thickness pauses, the representative proterties of four reflections of equator thickness and sharp end thickness quality of egg is measured, and all eggshell measured values are carried out principal component analysis, estimate above-mentioned each testing index the contribution index of quality of egg is respectively 0.39523,0.52126,0.53837 and 0.53127, with this as the coefficient of setting up the every index of quality of egg Comprehensive Assessment exponential equation, (like this can eliminate the unit of different testing indexs with the ratio of colony's mean value of assessing the every testing index of colony as assessed value with the measured value of each individual every quality of egg again, each index is united), the egg Ovum Anas domestica putamina quality Comprehensive Assessment exponential equation formula of setting up with the method is as follows:
Qi wherein, Di, Ci and Ri (i=1 ~ n) represent respectively to pause i individual eggshell strength and hold thickness, equator thickness and sharp end Determination of thickness value; Q, D, C and R represent to observe colony's eggshell strength, an end thickness, colony's mean value of equator thickness and sharp end thickness.
On the basis of obtaining with setting egg(s) Ovum Anas domestica putamina quality Comprehensive Assessment exponential equation formula, the object of the invention is achieved through the following technical solutions.
The method that a kind of egg Ovum Anas domestica putamina quality Comprehensive Assessment is selected, this method is carried out according to the following steps:
(1) mensuration of egg duck to be measured colony eggshell four indices value and the arrangement of mean value: after egg duck to be measured colony enters egg-laying peak (being that laying rate reaches more than 60%), the individuality of therefrom randomly drawing 4%-8% is as reserving seed for planting in advance, measure, put down in writing eggshell strength, end thickness, equator thickness and sharp end thickness four indices value that each individuality is laid eggs, and colony's mean value of calculating every index;
(2) calculating of Comprehensive Assessment exponential equation formula: the individual measured value of the four indices of will reserving seed for planting in advance and colony's mean value is substitution Comprehensive Assessment exponential equation formula respectively:
Qi wherein, Di, Ci and Ri (i=1 ~ n) represent respectively to pause i the eggshell strength that evaluation is individual and hold thickness, the observation of equator thickness and sharp end thickness; Q, D, C and R represent to observe colony's eggshell strength, an end thickness, the predicted value of colony's mean value of equator thickness and sharp end thickness;
Calculate each individual Comprehensive Assessment exponential quantity of reserving seed for planting in advance;
(3) selecting of winning egg duck parent's individuality: according to the quality of Comprehensive Assessment exponential quantity, filter out the big individuality of Comprehensive Assessment index and stay as breeding parent from reserve seed for planting in advance, the individual number of selecting and remain is then determined according to the rate of reserving seed for planting.
The invention has the beneficial effects as follows:
The first, can make that the seed selection of egg Ovum Anas domestica putamina quality is more easy with reserving seed for planting four individual quality of egg correlated traits in advance reasonably comprehensively in an index, be both the deviation of the single proterties evaluation of also avoiding;
The second, by individual the selecting and remain of size decision of composite index, make the seed selection of egg Ovum Anas domestica putamina quality become more directly perceived.
The 3rd, the egg Ovum Anas domestica putamina Comprehensive Assessment index that the present invention sets up and the average correlation coefficient of four proterties have reached 0.81, minimum has also reached 0.77, the correlation that Comprehensive Assessment index and each individual eggshell testing index are described is very high, the equation that the Comprehensive Assessment index is described can be good at representing the information of the relevant proterties of all egg Ovum Anas domestica putamina qualities, the quality of egg that is used to evaluate the egg duck can reach effect preferably, and also improved the accuracy of egg Ovum Anas domestica putamina flavor evaluation, for the seed selection of the relevant proterties of quality of egg provides foundation, guarantee the wholesomeness of egg duck's egg product and reduce the breakage rate of the suitability for industrialized production of egg duck's egg product;
Four, the Comprehensive Assessment index table of quality of egg reveals certain normal state feature, calculates the selection threshold values of the individual Comprehensive Assessment index of reserving seed for planting like this when utilizing the seed selection of Comprehensive Assessment index easily according to the normal state characteristic parameter (mean and standard deviation) of reserve seed for planting rate and observation colony Comprehensive Assessment index.
Embodiment
The seed selection of embodiment 1:(Shaoxing duck quality of egg)
(1) measures Shaoxing duck colony, determine four quality of egg indexs of this duck group mean value: in the Shaoxing duck laying rate is 65% o'clock, four quality of egg indexs that colony's 4% individuality (150) is laid eggs have been taken a sample test at random, and calculate eggshell strength, end thickness pauses, colony's mean value of equator thickness and four eggshells of sharp end thickness is respectively 3.7478kg/cm
2, 0.3518mm, 0.3454mm and 0.3511mm;
(2) calculating of Comprehensive Assessment exponential equation formula: calculate each individual quality of egg Comprehensive Assessment exponential quantity according to the Comprehensive Assessment exponential equation;
Here be the example explanation with 10 individualities of selecting and remain in advance, the quality of egg testing index value of 10 individualities and the Comprehensive Assessment index that calculates see Table 1;
(3) selecting of winning egg duck parent's individuality: the quality of determining individual quality of egg according to the size of Comprehensive Assessment index;
By table 1 we as can be seen, the quality of egg optimum of No. 3 individualities in all select and remain individuality in advance, and the quality of egg of No. 10 individualities is the poorest; When to select and remain individual 30% in advance when selecting and remain good individual of quality of egg, the individuality of selecting and remain is respectively No. 2, No. 3 and No. 6 individualities.
Table 1 Shaoxing duck select and remain in advance individual quality of egg measured value and Comprehensive Assessment exponential quantity
| Individual numbering | Eggshell strength (kg/cm 2) | End thickness (mm) pauses | Equator thickness (mm) | Sharp end thickness (mm) | The Comprehensive Assessment exponential quantity |
| ??1 | ??2.35 | ??0.30 | ??0.30 | ??0.32 | ??1.6443 |
| ??2 | ??3.68 | ??0.37 | ??0.32 | ??0.32 | ??1.9194 |
| ??3 | ??4.98 | ??0.31 | ??0.33 | ??0.36 | ??2.0433 |
| ??4 | ??3.62 | ??0.29 | ??0.31 | ??0.28 | ??1.7185 |
| ??5 | ??3.87 | ??0.34 | ??0.35 | ??0.32 | ??1.9412 |
| ??6 | ??3.20 | ??0.28 | ??0.33 | ??0.29 | ??1.7057 |
| ??7 | ??3.29 | ??0.27 | ??0.27 | ??0.29 | ??1.6062 |
| ??8 | ??3.42 | ??0.32 | ??0.31 | ??0.35 | ??1.8470 |
| ??9 | ??3.14 | ??0.29 | ??0.29 | ??0.31 | ??1.6818 |
| Individual numbering | Eggshell strength (kg/cm 2) | End thickness (mm) pauses | Equator thickness (mm) | Sharp end thickness (mm) | The Comprehensive Assessment exponential quantity |
| ??10 | ??1.91 | ??0.26 | ??0.27 | ??0.24 | ??1.3700 |
The seed selection of embodiment 2:(Jinyun sheldrake quality of egg)
(1) measure Jinyun sheldrake colony, determine four quality of egg indexs of this duck group mean value:
In Jinyun sheldrake laying rate is 70% o'clock, taken a sample test four quality of egg indexs that colony's 6% individuality (151) is laid eggs at random, and calculated eggshell strength, an end thickness, colony's mean value of equator thickness and four eggshell indexs of sharp end thickness is respectively 3.2876kg/cm
2, 0.3253mm, 0.3235mm and 0.3203mm;
(2) calculating of Comprehensive Assessment exponential equation formula: draw each individual quality of egg Comprehensive Assessment exponential quantity;
Here be the example explanation with 10 individualities of selecting and remain in advance, the quality of egg testing index of 10 individualities and the Comprehensive Assessment index that calculates see Table 2;
(3) selecting of winning laying hen parent individuality: the quality of determining individual quality of egg according to the size of Comprehensive Assessment index;
By table 2 we as can be seen in all select and remain individuality in advance, the quality of egg optimum of No. 2 and No. 9 individualities, and the quality of egg of No. 1 individuality is the poorest; When to select and remain individual 40% in advance when selecting and remain good individual of quality of egg, the individuality of selecting and remain is respectively No. 2, and No. 4, No. 9 and No. 10 individualities.
Table 2 Jinyun sheldrake select and remain in advance individual quality of egg measured value and Comprehensive Assessment exponential quantity
| Individual numbering | Eggshell strength (kg/cm 2) | End thickness (mm) pauses | Equator thickness (mm) | Sharp end thickness (mm) | The Comprehensive Assessment exponential quantity |
| ??1 | ??3.07 | ??0.3 | ??0.3 | ??0.31 | ??1.8636 |
| ??2 | ??4.65 | ??0.38 | ??0.37 | ??0.36 | ??2.3811 |
| ??3 | ??3.18 | ??0.32 | ??0.32 | ??0.34 | ??1.9919 |
| ??4 | ??4.02 | ??0.34 | ??0.34 | ??0.36 | ??2.1916 |
| ??5 | ??3.88 | ??0.35 | ??0.34 | ??0.32 | ??2.1235 |
| ??6 | ??3.33 | ??0.32 | ??0.32 | ??0.33 | ??1.9925 |
| ??7 | ??3.84 | ??0.34 | ??0.31 | ??0.3 | ??2.0201 |
| ??8 | ??2.82 | ??0.32 | ??0.34 | ??0.34 | ??1.9815 |
| ??9 | ??4.62 | ??0.38 | ??0.37 | ??0.36 | ??2.3773 |
| Individual numbering | Eggshell strength (kg/cm 2) | End thickness (mm) pauses | Equator thickness (mm) | Sharp end thickness (mm) | The Comprehensive Assessment exponential quantity |
| ??10 | ??3.61 | ??0.37 | ??0.37 | ??0.38 | ??2.2726 |
Claims (1)
1. the method selected of an egg Ovum Anas domestica putamina quality Comprehensive Assessment is characterized in that this method carries out according to the following steps:
(1) mensuration of egg duck to be measured colony eggshell four indices value and the arrangement of mean value: after egg duck to be measured colony enters egg-laying peak (being that laying rate reaches more than 60%), the individuality of therefrom randomly drawing 4%-8% is as reserving seed for planting in advance, measure, put down in writing eggshell strength, end thickness, equator thickness and sharp end thickness four indices value that each individuality is laid eggs, and colony's mean value of calculating every index;
(2) calculating of Comprehensive Assessment exponential equation formula: the individual measured value of the four indices of will reserving seed for planting in advance and colony's mean value is substitution Comprehensive Assessment exponential equation formula respectively:
Qi wherein, Di, Ci and Ri (i=1 ~ n) represent respectively to pause i the eggshell strength that evaluation is individual and hold thickness, the observation of equator thickness and sharp end thickness; Q, D, C and R represent to observe colony's eggshell strength, an end thickness, the predicted value of colony's mean value of equator thickness and sharp end thickness;
Obtain each individual Comprehensive Assessment exponential quantity of reserving seed for planting in advance after the calculating;
(3) selecting of winning egg duck parent's individuality: according to the quality of Comprehensive Assessment exponential quantity, filter out the big individuality of Comprehensive Assessment index and stay as breeding parent from reserve seed for planting in advance, the individual number of selecting and remain is then determined according to the rate of reserving seed for planting.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144575A (en) * | 2011-05-04 | 2011-08-10 | 浙江省农业科学院 | Method for comprehensively evaluating quality of goose eggshell |
| CN102524168A (en) * | 2011-12-15 | 2012-07-04 | 浙江省农业科学院 | Comprehensive assessment selection method of disease resistance of egg-laying ducks |
| CN108982786A (en) * | 2018-08-29 | 2018-12-11 | 扬州大学 | A kind of duck's egg quality synthetic judgement |
| CN109169503A (en) * | 2018-08-29 | 2019-01-11 | 扬州大学 | A kind of screening technique of the dedicated duck of rice-duck farming |
-
2009
- 2009-10-14 CN CN2009101533286A patent/CN101690467B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144575A (en) * | 2011-05-04 | 2011-08-10 | 浙江省农业科学院 | Method for comprehensively evaluating quality of goose eggshell |
| CN102524168A (en) * | 2011-12-15 | 2012-07-04 | 浙江省农业科学院 | Comprehensive assessment selection method of disease resistance of egg-laying ducks |
| CN108982786A (en) * | 2018-08-29 | 2018-12-11 | 扬州大学 | A kind of duck's egg quality synthetic judgement |
| CN109169503A (en) * | 2018-08-29 | 2019-01-11 | 扬州大学 | A kind of screening technique of the dedicated duck of rice-duck farming |
| CN108982786B (en) * | 2018-08-29 | 2021-04-06 | 扬州大学 | Duck egg quality comprehensive evaluation method |
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| CN101690467B (en) | 2011-07-20 |
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