Performance parameter

Trial 1 (2013)

Trial 2 (2014)

Trial 3 (2015)

Control

OA + Probiotic

Control

OA + Probiotic

Control

OA + Probiotic

Eggs set weight (g)

61.2 ± 0.61

60.38 ± 0.49

59.63 ± 0.90

59.84 ± 0.85

58.29 ± 0.77

58.19 ± 0.78

Transferred egg weight (g)

57.47 ± 0.47

57.91 ± 0.41

56.73 ± 0.72

57.18 ± 0.67

54.1 ± 0.73

54.13 ± 0.72

One-day chick weight (g)

45.04 ± 0.47

44.81 ± 0.42

44.18 ± 0.46

44.61 ± 0.50

42.35 ± 0.49

42.49 ± 0.63

Egg to chick weight difference (g)

16.16 ± 0.09

15.57 ± 0.09

15.45 ± 0.09

15.23 ± 0.09

15.93 ± 0.09

15.7 ± 0.09

Egg to chick weight loss (%)

26.41 ± 0.06

25.79 ± 0.06*

25.91 ± 0.06

25.45 ± 0.06*

27.34 ± 0.06

26.99 ± 0.06*