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ed in centers in which both LDLT and DDLT options are equally available.The present study aimed to evaluate the use of organic and inorganic minerals in Cobb500 broiler breeder diet and its effects on the performance. The birds were housed in an experimental house at Poultry Laboratory of the Federal University of Santa Maria with 20 floor pens of 4.61m2 each. The experiment was conducted between 51st and 65th weeks of age of birds. The design was completely randomized with four treatments and five pen replicates with 22 hens and 2 roosters
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