Performance and nutrients utilization of broilers.

age and length of iron feeding on feed intake and tissue

McDowell, L.R., 1992. Minerals in Animals and Human

iron concentration of broiler chicks for use as a bioassay of

Nutrition. Academic press. New York.

supplemental iron sources. Poult. Sci. Apr ; 75 (4): 495-504.

Mohanna, C. and Y. Nys., 1998. Influence of age, sex and cross

Diaz, G.J., R.J. Julian and E.J. Squires., 1994. Lesions in broiler

on body concentrations of trace elements (Zinc, Iron, Copper

chickens following experimental intoxication with cobalt.

and Manganese) in chickens. Br. Poult. Sci. Sep; 39 (4): 536-

Avian. Dis. 38 : 308-316.

43.

Hill, C.H., 1974. Influence of high level of minerals on the

NRC, 1994. Nutrient Requirements of Poultry. 9 th edition.

susceptibility of chicks to salmonella gallinarum. J. Nutr.

National Academy of Sciences, Washington, D.C. U.S.A.

104 : 1221-26.

O’ Shea, J. and M.I. Maguire., 1962. Determination of calorific

Hill, F.W. and D.L. Anderson., 1958. Comparison of

value of feeds stuffs by chromic acid oxidation. J. Sci.Agric.

metabolizable energy and productive energy determinations

13 : 530-534.

with growing chicks. J. Nutr. 64 : 587-603.

Underwood, E.J., 1984. Nutrition reviews: Present knowledge

ICAR, 1998. Nutrient Requirement of Livestock . ICAR

in Nutrition. 5 th edition The Nutrition Foundation Inc.,

Publications New Delhi., INDIA

Washington, D.C.

Johnson, E.L., J.L. Nicholoson and J.A. Doerr., 1985. Effect

Underwood, E.J. and N.F. Suttle., 1999. The Mineral Nutrition of

of dietary copper on litter microbial population and broiler

Livestock. 3 rd edition CAB International publishing Walling

performance. Br. Poult. Sci. Apr ; 26 (2): 171-7

ford, Oxon OX10 8DE, UK.

Latymer, E.A. and M.E. Coates., 1981. The effect of high

dietary supplements of copper sulphate on pantothenic acid

metabolism in the chick. Br. J. Nutr. Mar; 45 (2): 431-9

Journal of Animal Research: v.5 n.1. April 2015

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