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Table 4 The coefficients of Spearman’s correlation between particular analysed quality traits

From: Hatching performance of Japanese quail from eggs stored for different periods - a preliminary study

 

ST

SI

EW0

WL1

WL2

WL3

WL4

WL5

K1

K2

IK

0.065

         

EW0

0.094

0.031

        

WL1

0.886***

0.011

0.005

       

WL2

0.604

-0.027

0.032

0.693***

      

WL3

0.325*

0.204

0.125

0.441***

0.707***

     

WL4

0.021

-0.029

-0.003

0.054

0.710***

0.588***

    

WL5

-0.183

-0.008

-0.278*

-0.169

-0.100

0.313*

0.008

   

K1

-0.207***

-0.099

-0.145***

0.305***

0.207***

0.051

0.020

-0.096

  

K2

0.028

-0.027

0.000

0.062

0.710***

0.588***

0.999***

0.008

0.028

 

K3

-0.221*

-0.014

-0.302*

-0.179

-0.073

0.325*

0.062

1.000***

-0.054

0.062

  1. * – coefficients significant at P ≤ 0.05; *** – coefficients significant at P ≤ 0.001, ST – egg storage time, SI – shape index, EW0 – initial egg weight, WL1 – weight loss between EW0 (initial egg weight) and EW1 (egg weight at the start of incubation), WL2 - weight loss between EW0 and EW2 (egg weight after 14.5 days of incubation), WL3 - weight loss between EW0 and EW3 (egg weight at the end of incubation), WL4 - weight loss between EW1 and EW2, WL5 - weight loss between EW2 and EW3, K1 – egg shell conductance constant between EW0 and EW1, K2 - egg shell conductance constant between EW1 and EW2, K3 - egg shell conductance constant between EW2 and EW3