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Table 3 Genetic correlations from random regression model analyses for MY, FC, PC, FY, PY, and SCS between THI = 50 and THI = 70 at different stages of lactation (60d, 150d and 240d) and for lactations L1 and L2

From: Estimation of genotype by temperature-humidity index interactions on milk production and udder health traits in Montbeliarde cows

 

MY

FC

PC

FY

PY

SCS

DIM (d)

L1

L2

L1

L2

L1

L2

L1

L2

L1

L2

L1

L2

60

0.970

0.960

0.976

0.957

0.977

0.976

0.985

0.954

0.969

0.945

0.989

0.945

150

0.970

0.962

0.988

0.973

0.983

0.982

0.982

0.959

0.969

0.952

0.988

0.955

240

0.972

0.974

0.991

0.979

0.986

0.987

0.984

0.976

0.975

0.974

0.988

0.961

  1. MY milk yield, FY fat yield, PY protein yield, FC fat content, PY protein content, SCS somatic cell score, DIM days in milk, L1 first lactation, L2 second lactation
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Genetics Selection Evolution

ISSN: 1297-9686