. 2021 Sep 3;46(1):37–47. doi: 10.1007/s11259-021-09827-x

Table 4.

Traits of broiler chicken meat

Parameter n = 10	Group¹	SEM	Significance
Pre-slaughter body weight (g)	2211.50^b ± 198.02	3105.30^a ± 132.63	3109.00^a ± 235.19	3249.10^a ± 131.10	3092.90^a ± 119.84	58.34	< 0.05
Weight of carcass (g)	1734.27^b ± 161.56	2390.38^a ± 99.70	2346.22^a ± 204.15	2416.75^a ± 110.39	2354.88^a ± 95.60	41.55	< 0.05
Dressing percentage (%)	78.41^a ± 1.75	77.00^ab ± 1.49	75.47^ab ± 3.08	74.38^b ± 1.66	76.18^a ± 2.89	0.36	< 0.05
Weight and proportion in carcass
Neck with skin (g)	90.18^b ± 16.23	120.28^a ± 11.18	124.34^a ± 16.20	120.86^a ± 12.35	126.86^a ± 13.25	2.69	< 0.05
Neck with skin (%)	5.22 ± 0.92	5.04 ± 0.52	5.30 ± 0.52	5.01 ± 0.52	5.40 ± 0.62	0.09	NS
Wings (g)	151.66^b ± 12.38	213.41^a ± 18.48	204.54^a ± 29.56	214.72^a ± 13.67	212.72^a ± 16.34	4.31	< 0.05
Wings (%)	8.78 ± 0.79	8.92 ± 0.64	8.70 ± 0.81	8.89 ± 0.55	9.03 ± 0.53	0.09	NS
Heart (g)	8.03^b ± 0.92	12.73^a ± 1.51	12.33^a ± 1.87	13.62^a ± 2.53	11.69^a ± 1.17	0.36	< 0.05
Stomach (g)	29.19 ± 6.11	35.51 ± 5.21	36.76 ± 10.20	35.35 ± 4.70	38.51 ± 9.56	1.11	NS
Liver (g)	39.67^b ± 7.30	57.66^a ± 6.05	57.11^a ± 10.12	62.04^a ± 10.32	60.85^a ± 10.24	1.68	< 0.05
Carcass remains (g)	457.11^b ± 68.97	603.48^a ± 73.31	587.96^a ± 68.37	660.02^a ± 80.61	586.65^a ± 51.68	13.36	< 0.05

Parameter
n = 10

Group¹

SEM

Significance

Pre-slaughter body weight (g)

2211.50^b

± 198.02

3105.30^a

± 132.63

3109.00^a

± 235.19

3249.10^a

± 131.10

3092.90^a

± 119.84

58.34

< 0.05

Weight of carcass (g)

1734.27^b

± 161.56

2390.38^a

± 99.70

2346.22^a

± 204.15

2416.75^a

± 110.39

2354.88^a

± 95.60

41.55

< 0.05

Dressing percentage (%)

78.41^a

± 1.75

77.00^ab

± 1.49

75.47^ab

± 3.08

74.38^b

± 1.66

76.18^a

± 2.89

0.36

< 0.05

Weight and proportion in carcass

Neck with skin (g)

90.18^b

± 16.23

120.28^a

± 11.18

124.34^a

± 16.20

120.86^a

± 12.35

126.86^a

± 13.25

2.69

< 0.05

Neck with skin (%)

5.22

± 0.92

5.04

± 0.52

5.30

± 0.52

5.01

± 0.52

5.40

± 0.62

0.09

Wings (g)

151.66^b

± 12.38

213.41^a

± 18.48

204.54^a

± 29.56

214.72^a

± 13.67

212.72^a

± 16.34

4.31

< 0.05

Wings (%)

8.78

± 0.79

8.92

± 0.64

8.70

± 0.81

8.89

± 0.55

9.03

± 0.53

0.09

Heart (g)

8.03^b

± 0.92

12.73^a

± 1.51

12.33^a

± 1.87

13.62^a

± 2.53

11.69^a

± 1.17

0.36

< 0.05

Stomach (g)

29.19

± 6.11

35.51

± 5.21

36.76

± 10.20

35.35

± 4.70

38.51

± 9.56

1.11

Liver (g)

39.67^b

± 7.30

57.66^a

± 6.05

57.11^a

± 10.12

62.04^a

± 10.32

60.85^a

± 10.24

1.68

< 0.05

Carcass remains (g)

457.11^b

± 68.97

603.48^a

± 73.31

587.96^a

± 68.37

660.02^a

± 80.61

586.65^a

± 51.68

13.36

< 0.05

a,b…, means in the same line with no common superscript differ between groups (p < 0.05); NS, no significance; ± SD, standard deviation; SEM, standard error of the mean for all data; ¹, 1, no addition of aluminosilicates to feed or litter; 2, 0.800 kg/m² of halloysite in litter; 3, 0.400 kg/m² of halloysite and 0.400 kg/m² of zeolite in litter; 4, 0.800 kg/m² of zeolite in litter; 5, 0.200 kg/m² of halloysite and 0.600 kg/m² of zeolite in litter; groups 2–5, addition of halloysite and zeolite to feed (proportion 25:75; starter, 0.5%; grower 1, 1%; grower 2, 1.5%; finisher, 2%)