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Poultry and Laboratory Animal Nutrition
Asian-Australasian Journal of Animal Sciences 2010;23(1): 68-73.
DOI: https://doi.org/10.5713/ajas.2010.90129    Published online December 22, 2009.
Mineral Retention in Young Broiler Chicks Fed Diets Based on Wheat, Sorghum or Maize
D. V. Thomas, V. Ravindran
The aim of the present study was to determine the changes in mineral retention of broiler chicks fed diets based on wheat, sorghum or maize during the first two weeks post-hatch. The retention of five major minerals (calcium, phosphorus, potassium, sodium and magnesium) and four trace minerals (iron, manganese, zinc and copper) was determined on days 3, 5, 7, 9 and 14 of age. The retention coefficients of individual minerals differed widely and the retention coefficients of major minerals were found to be considerably higher than those of trace minerals. Age effects were significant (p<0.05) for all minerals. In general, mineral retention coefficients were highest at day 3, declined to day 7, and remained unchanged to day 14. Decline in mineral retention with age was similar on all three diets. The cereal effect was significant (p<0.05) for several minerals, with a general tendency for the sorghum-based diet to have greater retention than maize- or wheat-based diets.
Keywords: Broilers; Minerals; Cereals; Retention

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