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Table 5 Correlation matrix for the broad set of explanatory variables considered in the analysis of risk factors associated with the SCM among lactating cow in the Savannah region of Nigeria

From: Sub-clinical mastitis and associated risk factors on lactating cows in the Savannah Region of Nigeria

Variable

A

B

C

D

E

F

G

H

I

J

K

L

A

1

           

B

0.9637

1

          

C

0.0273

0.0148

1

         

D

0.143

0.0945

0.0702

1

        

E

0.0397

0.0434

0.5789

0.0182

1

       

F

−0.1778

−0.1315

−0.3027

−0.2847

−0.1752

1

      

G

−0.0949

−0.0563

−0.0903

−0.208

−0.1284

0.3426

1

     

H

0.018

0.0298

0.5884

0.022

−0.027

−0.1781

0.0397

1

    

I

−0.018

−0.0298

−0.5884

−0.022

0.027

0.1781

−0.0397

−1

1

   

J

−0.019

−0.0751

0.4626

0.1916

0.2678

−0.6544

−0.217

0.2722

−0.2722

1

  

K

−0.1964

−0.1503

−0.3469

−0.3396

−0.2008

0.8725

0.373

−0.2041

0.2041

−0.75

1

 

L

−0.0015

−0.0016

0.0004

−0.0012

0.0073

0.0016

0.0012

0.0002

−0.0002

0.0009

0.0018

1

  1. A = age, B = parity, C = washing hands before milking, D = breed, E = heifer and cow, F = month, G = cow type, H = pre-striping before milking, I = feeding after milking, J = washing of teats, K = management system, L = quarter.