Agriculture Reference
In-Depth Information
Table 21.1.
Composition of the experimental diets (g/kg in dry matter) to determinate the optimum ratio
between the amino acids for male broilers (Cobb 500).
Composition of the balanced diets (g/kg in dry matter)
Period I (
6
to 21 days)
Period II (
22
to 37 days)
Period III (
38
to 53 days)
Maize
740
779
804
Soy protein concentrate (60)
136
97.7
62.2
Soybean oil
12.7
15.4
21.9
Dicalcium phosphate
17.2
14.9
12.8
l
l-Alanine (990 g/kg)
40.7
41.6
46.8
Limestone
8.95
8.42
7.51
l
l-Lysine HCl (780 g/kg)
7.16
7.05
7.01
dl
-Methionine (990 g/kg)
4.40
3.99
3.54
Choline chloride (600 g/kg)
2.82
2.76
2.73
l
l-Glycine (960 g/kg)
6.19
4.47
4.51
Salt
4.80
4.58
4.49
Potassium chloride
1.41
2.69
4.03
l
l-Threonine (960 g/kg)
2.91
2.74
2.62
Vitaminic\mineral premix
a
1.00
1.00
1.00
l
l-Arginine (990 g/kg)
3.84
4.07
4.34
l
l-Isoleucine (990 g/kg)
2.67
2.76
2.78
l
l-Valine (980 g/kg)
3.11
3.07
2.96
l
l-Phenylalanine (990 g/kg)
2.55
2.68
2.88
l
l-Histidine (990 g/kg)
0.76
0.77
0.80
l
-Tryptophan (980 g/kg)
0.62
0.77
0.81
Nutritional composition
b
of the balanced diets (g/kg in dry matter)
Calcium
8.20
7.30
6.40
Metabolizable enegy (MJ/kg)
13.0
13.2
13.4
Crude fibre
16.6
16.2
15.6
Available phosphorus
3.90
3.40
3.00
Potassium
5.90
5.80
5.80
Crude protein
210
190
175
Sodium
2.10
2.00
2.00
Content of amino acids
c
(g/kg in dry matter) and EAA:lysine ratio in the balanced diets
Arginine
13.2 (108)
11.6 (108)
10.2 (109)
Phenylalanine
9.3 (76)
8.3 (78)
7.5 (80)
Phenylalanine + tyrosine
14.0 (115)
12.3 (115)
10.8 (115)
Glycine + serine
17.9 (147)
14.4 (135)
12.6 (134)
Histidine
4.5 (37)
4.0 (37)
3.5 (37)
Isoleucine
8.2 (67)
7.3 (68)
6.4 (68)
Leucine
13.0 (107)
11.6 (108)
10.2 (109)
Lysine
12.2 (100)
10.7 (100)
9.4 (100)
Methionine + cystine
8.8 (72)
7.8 (73)
6.9 (73)
Methionine
6.6 (54)
6.0 (56)
5.2 (55)
Threonine
7.9 (65)
7.0 (65)
6.1 (65)
Tryptophan
2.1 (17)
1.9 (18)
1.7 (18)
Valine
9.4 (77)
8.4 (79)
7.3 (78)
a
Content/kg - vitamin A =
15,000,000
UI; vitamin D3 =
1,500,000
UI; vitamin E =
15,000
UI; vitamin B1 = 2.0 g; vitamin
B2 = 4.0 g; vitamin B6 = 3.0 g; vitamin B12 = 0.015 g; nicotinic acid =
25
g; pantotenic acid =
10
g; vitamin K3 = 3.0 g;
folic acid = 1.0 g; zinc bacitracine =
10
g; selenium =
250
mg; antioxidant butylated hydroxytoluene =
10
g; manganese = 80g;
iron =
80
g; zinc = 50g; copper =
10
g; cobalt =
2
g; iodine =
1
g; e vehicle quantity sufficient to 1000 g.
b
Calculated.
c
Analysed content of diets and calculated based on true digestibility of the amino acids in the diets (analysis performed by
