Treatments

Incubation period (hrs)

2 h

4 h

8 h

12 h

24 h

30 h

48 h

72 h

15% supplementation level

Grass hay

5.5^d

11.3^d

18.0^c

26.5^c

44.1^c

56.4^b

75.2^b

86.5^a

Grass hay + 15% 9281

7.3^bc

14.6^ab

21.8^a

30.5^a

47.4^ab

59.0^a

76.7^ab

86.9^a

Grass hay + 15% 11,252

7.8^ab

14.8^ab

22.2^a

30.9^a

47.3^ab

58.9^a

76.9^ab

87.3^a

Grass hay + 15% 11,255

7.9^a

15.2^a

22.6^a

31.3^a

48.4^a

60.1^a

78.0^a

88.6^a

Grass hay + 15% 11,595

7.2^c

14.4^b

21.9^a

30.0^a

46.6^b

58.4^a

76.8^ab

87.5^a

Grass hay + 15% 11,604

5.5^d

12.8^c

19.9^b

28.1^b

44.6^c

56.4^b

74.8^b

85.6^a

SEM

0.17

0.20

0.34

0.53

0.41

0.56

0.77

1.01

30% supplementation level

Grass hay

5.5^e

11.3^d

18.0^d

26.5^d

44.1^d

56.4^d

75.2^cd

86.5^b

Grass hay + 30% 9281

9.9^c

18.2^b

26.4^b

34.9^b

50.8^b

61.9^b

77.5^b

87.1^b

Grass hay + 30% 11,252

8.8^d

16.2^c

23.7^c

31.9^c

48.5^c

58.7^c

73.7^d

83.5^c

Grass hay + 30% 11,255

9.3^d

16.8^c

24.3^c

32.6^c

48.7^c

58.9^c

75.3^cd

84.9^bc

Grass hay + 30% 11,595

10.7^b

18.3^b

25.6^b

34.2^b

51.1^b

61.3^b

77.2^bc

86.6^b

Grass hay + 30% 11,604

14.4^a

22.6^a

31.3^a

40.0^a

57.4^a

67.8^a

83.0^a

92.1^a

SEM

0.18

0.20

0.33

0.44

0.52

0.53

0.70

0.92