Skip to main content

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

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

Item Experimental treatments2 SEM P value
NTM ITM CTM25 CTM50 CTM100
Tibia length (cm) 9.48b 10.14ab 10.03ab 10.38a 10.29a 0.19 0.031
Tibia weight (g) 13.89 15.35 14.85 15.40 15.91 0.48 0.070
Ash (%) 51.12b 52.03ab 53.19ab 55.11ab 55.90a 1.08 0.026
Calcium (g/kg) 165.4 172.2 169.8 176.6 175.4 3.32 0.161
Phosphorus (g/kg) 95.36ab 92.27b 96.65ab 97.42a 98.33a 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) 155.8b 170.5ab 157.9b 165.2ab 179.0a 3.53 0.001
Manganese (mg/kg) 3.30d 4.45ab 3.82c 4.40b 4.87a 0.10  < 0.001
Copper (mg/kg) 0.68b 0.83ab 0.78ab 0.82ab 0.87a 0.03 0.011
  1. a,b,c,dValues in the same row with different superscripts were significantly different (P < 0.05)
  2. 1Values are means of 5 pens per treatment combination with 2 male broiler chickens per pen selected for tibia collection
  3. 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