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Table 6 Thermoregulatory response of sows fed high crude protein (HCP; 192.4 g/kg crude protein) and low crude protein (LCP; 140.0 g/kg crude protein) diets and exposed to thermal neutral (TN) and heat stress (HS) conditionsa

From: Effect of dietary near ideal amino acid profile on heat production of lactating sows exposed to thermal neutral and heat stress conditions

Item 

HCP

LCP

 

TN

HS

SEM

P-value

TN

HS

SEM

P-value

No. of sows

6

6

–

–

6

6

–

–

Rectal body temp, °C

 07:00

38.93

39.11

0.16

0.427

38.99

39.02

0.16

0.906

 13:00

39.23

39.82

0.16

0.012

39.28

39.65

0.16

0.098

 19:00

39.32

40.03

0.16

0.003

39.33

39.68*

0.16

0.115

Respiration rate, #/min

 07:00

25

43

2

< 0.001

25

37*

2

< 0.001

 13:00

30

76

2

< 0.001

30

74

2

< 0.001

 19:00

28

55

2

< 0.001

29

51†

2

< 0.001

  1. aData are least squares means
  2. *Diets differed within the same environment (P < 0.05)
  3. †Diets tended to differ within the same environment (P = 0.085)
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891