Effect of advanced chelate technology based trace minerals on growth performance, mineral digestibility, tibia characteristics, and antioxidant status in broiler chickens

Table 6 Effect of experimental treatments on tibia quality and tibial mineral content in broilers¹ at day 42

Item	Experimental treatments²					SEM	P value
Item	NTM	ITM	CTM25	CTM50	CTM100	SEM	P value
Tibia length (cm)	9.48^b	10.14^ab	10.03^ab	10.38^a	10.29^a	0.19	0.031
Tibia weight (g)	13.89	15.35	14.85	15.40	15.91	0.48	0.070
Ash (%)	51.12^b	52.03^ab	53.19^ab	55.11^ab	55.90^a	1.08	0.026
Calcium (g/kg)	165.4	172.2	169.8	176.6	175.4	3.32	0.161
Phosphorus (g/kg)	95.36^ab	92.27^b	96.65^ab	97.42^a	98.33^a	1.06	0.006
Magnesium (g/kg)	4.03	4.08	4.11	4.14	4.06	0.20	0.995
Potassium (g/kg)	2.02	1.99	2.01	2.08	2.14	0.10	0.810
Sodium (g/kg)	4.62	4.44	4.88	4.52	4.82	0.18	0.396
Iron (mg/kg)	128.4	131.8	133.6	135.0	133.3	2.77	0.547
Zinc (mg/kg)	155.8^b	170.5^ab	157.9^b	165.2^ab	179.0^a	3.53	0.001
Manganese (mg/kg)	3.30^d	4.45^ab	3.82^c	4.40^b	4.87^a	0.10	< 0.001
Copper (mg/kg)	0.68^b	0.83^ab	0.78^ab	0.82^ab	0.87^a	0.03	0.011

^a,b,c,dValues in the same row with different superscripts were significantly different (P < 0.05)
¹Values are means of 5 pens per treatment combination with 2 male broiler chickens per pen selected for tibia collection
²NTM, no trace mineral supplementation; ITM, commercially recommended levels of inorganic trace mineral; CTM25, chelated trace mineral supplement (CTM) match to 25% of the ITM; CTM50, CTM match to 50% of the ITM; CTM100, CTM equivalent to ITM

ISSN: 1743-7075