Table 2

Hemoglobin (Hb, g/L), Total body Hb-Fe content (mg) and hemoglobin maintenance efficiency1(HME, %) in chicken fed the tested diets from d 0 to d 422
Treatment3 Day 0 Day 7 Day 14 Day 21 Day 28 Day 35 Day 42
"High + Fe" Hb 92a±9.0 88a±5.0 104a ±11 102a ±6.0 102a ±5.0 97a ±13 97a ±7.0
Hb Fe 1.02a ±0.1 2.52a±0.2 4.35a ±0.4 5.80a ±0.4 8.35a ±0.6 9.62a ±0.6 16.49a ±0.7
HME - 22.7b ±2.9 22.5bc ±2.9 19.8bc±2.5 20.1b ±2.6 15.8b ±2.0 20.2b ±2.6
"Low + Fe" Hb 92a±9.0 86a±8.0 100a ±13 94ab ±14 94ab ±6.0 88a ±6.0 87a ±3.0
Hb Fe 1.02a ±0.1 2.30a±0.2 4.28a ±0.3 5.53a ±0.4 7.72a ±0.5 8.84ab±0.6 14.52ab±0.7
HME - 18.5b ±2.4 19.2c±2.5 15.4c ±2.0 14.4c ±1.9 11.3bc±1.5 13.8c ±1.7
"High" Hb 92a±9.0 88a±6.0 76b ±3.0 81b ±3.0 81b ±4.0 82a ±7.0 82ab ±9.0
Hb Fe 1.02a ±0.1 2.37a±0.1 3.04b ±0.2 4.72b ±0.2 6.30b ±0.4 8.07b ±0.5 13.79b ±1.0
HME - 58.4a ±7.6 37.8a ±4.9 40.3a ±5.2 37.7a ±4.9 35.3a ±4.6 44.9a ±5.8
"Low" Hb 92a±9.0 82a±5.0 70b ±3.0 66c ±7.0 66c ±5.0 68b ±4.0 67b ±8.0
Hb Fe 1.02a ±0.1 2.21a±0.1 2.54c ±0.2 3.41c ±0.2 4.62c ±0.3 6.29c ±0.4 10.73c ±0.6
HME - 52.1a ±6.7 29.7ab±3.8 28.0b ±3.6 27.1ab ±3.5 27.7a ±3.6 35.8a ±4.6

a,b,cWithin a column and for each parameter (i.e. Hb, Hb Fe, HME), treatment group means without a common letter differ, P < 0.05.

1Calculations are described in the materials and methods section.

2Values are means±SEM, n=10.

3The experimental diets are described in the materials and methods section.

Tako et al.

Tako et al. Nutrition Journal 2013 12:3   doi:10.1186/1475-2891-12-3

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