Are the energy matrix values of the different feed additives in broiler chicken diets could be summed?

Metwally, Abdallah E.; Abdel-Wareth, Ahmed A. A.; Saleh, Ahmed A.; Amer, Shimaa A.

doi:10.1186/s12917-020-02600-3

BMC Veterinary Research

Table 4 The proximate composition of the experimental diets (%)

From: Are the energy matrix values of the different feed additives in broiler chicken diets could be summed?

Ingredients	Starter period (0-10d)							Grower period (11-22d)							Finisher period (23-35d)
	T1	T2	T3	T4	T5	T6	T7	T1	T2	T3	T4	T5	T6	T7	T1	T2	T3	T4	T5	T6	T7
Corn	55.8	56.5	56.8	57.03	55.97	55.94	55.39	64.34	64.88	64.84	63.78	63.75	60.04	67.70	68.80	68.72	69.28	66.68	66.77	67.21	64.34
Soybean meal, 48%CP	28.7	32	28.7	27.99	35.92	35.80	39.69	23.77	27.95	24.02	23.90	31.82	31.72	35.43	21.33	23.65	21.27	19.67	27.57	27.43	28.99
Corn gluten meal, 60% CP	9.9	6.9	9.8	10.27	3.65	3.76	0.52	6.85	3.22	6.50	6.61	0	0.09	0	5.38	3.24	5.28	6.57	1.50	1.50	0
Soybean oil	1.63	1.64	1.63	1.63	1.65	1.64	1.65	1.80	1.00	1.00	1.00	1.00	1.00	1.00	2.22	1.00	1.34	1.01	1.00	1.00	0.84
Dicalcium phosphate	1.11	1.08	1.11	1.12	1.05	1.05	1.02	1.39	1.40	1.39	1.39	1.41	1.41	1.39	1.25	1.25	1.24	1.24	1.24	1.24	1.25
Limestone	0.005	0.005	0.005	0.01	0.01	0.01	0.01	0.91	0.88	0.91	0.91	0.85	0.85	0.82	0.90	0.88	0.90	0.91	0.85	0.85	0.50
L-Lys-HCl	1.5	0.5	0.6	0.50	0.50	0.50	0.50	0.32	0.22	0.32	0.32	0.12	0.12	0.01	0.30	0.30	0.30	0.30	0.30	0.30	0.30
Premix ^a	0.3	0.3	0.3	0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.28	0.22	0.28	0.32	0.11	0.12	0.08
Sodium bicarbonate	0.18	0.21	0.18	0.17	0.24	0.24	0.27	0.23	0.18	0.23	0.23	0.15	0.14	0.51	0.21	0.23	0.22	0.20	0.27	0.27	0.28
Salt (NaCl)	0.25	0.21	0.25	0.26	0.17	0.17	0.13	0.20	0.24	0.20	0.20	0.27	0.27	0.19	0.21	0.19	0.21	0.23	0.25	0.25	0.25
DL-Methionine	0.4	0.31	0.4	0.41	0.21	0.21	0.12	0.18	0.21	0.18	0.18	0.23	0.23	0.20	0.17	0.18	0.17	0.16	0.18	0.18	0.19
Therionine	0.21	0.23	0.21	0.21	0.25	0.25	0.28	0.05	0.04	0.05	0.05	0.03	0.03	0	0.04	0.04	0.04	0.04	0.01	0.01	0.01
Phytase Enzyme	0.05	0.04	0.05	0.05	0.04	0.04	0.03	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
NSP-degrading enzymes	-	0.02	-	-	0.02	0.02	0.02	-	0.02	-	-	0.02	0.02	0.02	-	0.02	-	-	0.02	0.02	0.02
LYSOFORTE®	-	-	0.025	-	0.025	-	0.025	-	-	0.025	-	0.025	-	0.025	-	-	0.025	-	0.025	-	0.025
CreAMINO®	-	-	-	0.06	-	0.06	0.06	-	-	-	0.06	-	0.06	0.06	-	-	-	0.06	-	0.06	0.06

^a Premix per kg of diet: vitamin A, 1 500 IU; vitamin D3, 200 IU; vitamin E, 10 mg; vitamin K3, 0.5 mg; thiamine, 1.8 mg; riboflavin, 3.6 mg; pantothenic acid, 10 mg; folic acid, 0.55 mg; pyridoxine, 3.5 mg; niacin, 35 mg; cobalamin, 0.01 mg; biotin, 0.15 mg; Fe, 80 mg; Cu, 8 mg; Mn, 60 mg; Zn, 40 mg; I, 0.35 mg; Se, 0.15 mg.
T1: Control group "basal diet with no additives (breeder recommendation (BR)). T2: Basal diet minus 100 kcal/kg supplemented with 0.02% NSP-degrading enzyme (NSP). T3: Basal diet minus 50 kcal/kg supplemented with 0.025% emulsifier (LYSOFORTE^®). T4: Basal diet minus 50 kcal/kg supplemented with 0.06% guanidinoacetic acid (CreAMINO^®). T5: Basal diet minus 150 kcal/kg supplemented with a mixture of NSP and LYSOFORTE^® (NSPL), T6: Basal diet minus 100 kcal/kg supplemented with a mixture of NSP and CreAMINO^® (NSPC). T7: Basal diet minus 200 kcal/kg supplemented with a mixture of NSP, LYSO, and CreAMINO^® (NSPLC).

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ISSN: 1746-6148

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