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Table 4 Summary statistics for environmental THI, physiological performance, and milk yield in April (non-heat stress) and July (heat stress)

From: Weighted single-step GWAS and RNA sequencing reveals key candidate genes associated with physiological indicators of heat stress in Holstein cattle

Index at test day

Non-heat stress (April)

Heat stress (July)

Rectal temperature

38.50 ± 0.19

39.3 ± 0.67

Respiration rate score

37.67 ± 6.37

95.17 ± 16.30

Drooling score

1 ± 0.00

2 ± 0.82

Milk yield

41.48 ± 3.52

35.25 ± 3.71

THI

61.37 ± 8.18

81.62 ± 3.89

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Journal of Animal Science and Biotechnology

ISSN: 2049-1891