Table 4 Mean feed conversion ratio (± SE) of ostrich at consecutive weeks of age fed diets containing the different levels of energy and protein from 2^nd to 9^th week of age

Energy, kcal · kg⁻¹ DM

2400

1.02^a ± 0.53

1.74^a ± 0.46

1.01^a ± 0.31

1.71^a ± 1.28

2.00^a ± 0.89

1.46^a ± 0.64

2.02^a ± 0.57

1.80^a ± 0.55

1.37^b ± 0.64

1.82^a ± 0.66

1.59^a ± 0.65

2600

1.35^a ± 0.74

1.01^a ± 0.28

1.26^a ± 0.30

2.11^a ± 0.58

2.04^a ± 0.87

1.61^a ± 0.43

1.97^a ± 1.01

1.82^a ± 0.40

1.42^a ± 0.47

1.85^a ± 0.67

1.64^a ± 0.57

Protein, % in diet

20

1.19^ab ± 0.67

1.60^a ± 0.57

1.32^a ± 0.31

1.79^a ± 0.82

2.22^a ± 0.91

1.58^a ± 0.49

2.18^a ± 0.48

1.65^a ± 0.33

1.47^a ± 0.59

1.90^a ± 0.55

1.68^a ± 0.57

22

1.45^a ± 0.71

1.74^a ± 0.35

0.95^b ± 0.33

2.28^a ± 1.20

1.78^a ± 0.81

1.58^a ± 0.69

1.63^a ± 0.60

1.92^a ± 0.37

1.60^a ± 0.64

1.72^a ± 0.61

1.66^a ± 0.62

24

0.91^b ± 0.19

0.79^a ± 0.20

1.14^ab ± 0.25

1.65^a ± 0.64

2.06^a ± 0.94

1.44^a ± 0.47

2.18^a ± 1.09

1.87^a ± 0.67

1.12^a ± 0.32

1.88^a ± 0.79

1.50^b ± 0.55

Energy (2400)—Protein (20)

0.57^a ± 0.22

2.01^a ± 0.51

1.07^ab ± 0.17

1.54^ab ± 0.45

2.94^a ± 0.48

1.21^a ± 0.03

2.73^a ± 0.00

1.34^a ± 0.16

1.29^a ± 0.33

2.05^a ± 0.67

1.67^a ± 0.50

Energy (2400)—Protein (22)

1.59^a ± 0.35

1.73^ab ± 0.52

0.80^b ± 0.34

2.56^a ± 1.59

1.53^a ± 1.09

1.70^a ± 0.93

1.66^a ± 0.79

1.89^a ± 0.51

1.67^a ± 0.70

1.69^a ± 0.83

1.68^ab ± 0.76

Energy (2400)—Protein (24)

0.90^a ± 0.15

1.49^ab ± 0.30

1.17^ab ± 0.35

1.04^b ± 0.30

1.55^a ± 0.24

1.47^a ± 0.42

1.69^a ± 0.46

2.19^a ± 0.55

1.15^a ± 0.27

1.72^a ± 0.41

1.43^b ± 0.34

Energy (2600)—Protein (20)

1.82^a ± 0.29

1.19^b ± 0.07

1.57^a ± 0.20

2.05^ab ± 1.00

1.51^a ± 0.69

1.96^a ± 0.38

1.64^a ± 0.52

1.96^a ± 0.15

1.65^a ± 0.39

1.76^a ± 0.43

1.70^a ± 0.41

Energy (2600)—Protein (22)

1.31^a ± 1.06

1.76^ab ± 0.19

1.10^ab ± 0.29

2.01^ab ± 0.10

2.03^a ± 0.23

1.46^a ± 0.06

1.60^a ± 0.42

1.95^a ± 0.19

1.54^a ± 0.41

1.76^a ± 0.22

1.65^a ± 0.31

Energy (2600)—Protein (24)

0.92^a ± 0.25

0.09^b ± 0.01

1.11^ab ± 0.17

2.27^ab ± 0.32

2.58^a ± 1.01

1.42^a ± 0.61

2.67^a ± 1.33

1.55^a ± 0.64

1.09^a ± 0.18

2.05^a ± 0.89

1.57^ab ± 0.53