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Table 8 Metabolic total heat production [kJ/(d·BW0.75)] during daytime of lactating 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 and heat stress 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 

Thermal neutral

Heat stress

HCP

LCP

SEMb

P-value

HCP

LCP

SEMb

P-value

Day 4

 07:00c

623.4

610.0

50.2

0.840

700.0

643.1

47.3

0.380

 08:00

635.1

637.2

52.3

0.975

669.9

677.4

47.3

0.905

 09:00

578.2

576.1

50.2

0.976

675.7

715.9

47.3

0.534

 10:00

606.3

583.2

50.2

0.723

656.9

642.7

47.3

0.824

 11:00

637.2

610.0

50.2

0.677

564.8

635.5

51.5

0.296

 13:00

677.4

703.7

50.2

0.689

671.5

630.1

47.3

0.521

 15:00

654.4

627.2

50.2

0.677

700.0

613.4

51.9

0.201

 19:00

606.3

607.1

50.2

0.990

654.0

589.9

52.3

0.344

Day 8

 07:00c

672.4

605.8

60.7

0.419

690.8

569.0

44.8

0.061

 08:00

748.9

726.3

60.7

0.784

743.9

679.5

44.8

0.317

 09:00

683.7

613.0

60.7

0.389

715.9

667.8

44.8

0.454

 10:00

733.9

668.2

60.7

0.422

673.6

612.5

44.8

0.345

 11:00

721.7

699.6

60.7

0.785

692.5

662.7

44.8

0.648

 13:00

754.8

724.7

60.7

0.716

706.3

603.3

44.8

0.113

 15:00

792.4

742.7

60.7

0.544

779.5

658.1

44.8

0.062

 19:00

728.9

682.4

60.7

0.570

655.2

711.3

44.8

0.381

Day 14

 07:00c

815.0

658.6

56.5

0.042

748.5

695.8

50.6

0.456

 08:00

755.2

700.4

56.5

0.468

760.7

777.8

50.6

0.810

 09:00

735.5

659.0

56.5

0.311

737.2

664.4

50.6

0.307

 10:00

751.4

651.9

56.5

0.189

742.2

614.2

50.6

0.076

 11:00

739.7

694.1

56.5

0.546

758.1

701.2

50.6

0.422

 13:00

790.4

670.3

56.5

0.116

592.5

621.7

50.6

0.692

 15:00

860.6

793.3

56.5

0.375

725.9

705.8

50.6

0.780

 19:00

789.1

664.0

56.5

0.101

699.1

670.7

50.6

0.688

Day 18

 07:00c

742.7

668.6

71.1

0.430

736.4

619.7

52.3

0.118

 08:00

802.9

694.1

71.1

0.246

765.3

552.3

52.3

0.005

 09:00

672.4

630.9

71.1

0.659

657.7

527.2

52.3

0.080

 10:00

638.5

551.0

71.1

0.350

649.4

454.4

52.3

0.010

 11:00

678.6

634.7

71.1

0.640

724.7

501.2

52.3

0.004

 13:00

734.3

659.0

71.1

0.421

849.8

554.8

56.9

0.001

 15:00

803.3

723.0

71.1

0.391

785.3

531.4

56.9

0.006

 19:00

725.1

623.8

71.1

0.279

686.2

584.1

56.9

0.227

  1. aData are least squares means
  2. bMaximum value of the standard error of the means
  3. cTotal heat production before first morning meal