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Comparative efficacy of three commercial vitamin and trace mineral premixes for rearing broiler chickens at starter and finisher phases


Citation

O., Oduguwa and B. K., Ogunmodede and A. O., Fanimo (1996) Comparative efficacy of three commercial vitamin and trace mineral premixes for rearing broiler chickens at starter and finisher phases. Pertanika Journal of Tropical Agricultural Science, 19 (1). pp. 81-87. ISSN 0126-6128

Abstract / Synopsis

Six groups of 45 unsexed day-old Hubbard broiler chicks were randomly assigned in duplicate at the starter phase (0-5 weeks) to three isocaloric and iso-nitrogenous diets which were fortified at manufacturers recommended levels with three commercial vitamin and trace mineral premixes purchased locally and labelled as premix A, U and Z. At the finisher phase (6 -9 weeks) the birds were shuffled and subdivided into three finisher treatment groups of two replicates each. One treatment group continued to receive the same premix as during the starter phase, while the other two groups were assigned the remaining premixes not given at the starter phase for that particular treatment group. Thus nine premix combinations were used at the finisher phase. The premix type fed at the starter phase led to differences (P > 0.05) in the protein intake, mean weight gain and weight gain per unit protein intake of the birds. Protein intake and weight gain per unit protein intake were not significantly different (P < 0.05) at the finisher phase. The serum uric and serum creatinine levels indicate that birds fed premix Z at the starter phase utilized the dietary protein more efficiently than those fed the other two premixes. Variable values were obtained for the serum metabolites at the finisher phase. It was concluded that available premixes for broilers in Nigeria vary in their content and their effect of protein nutriture ofbroiler chickens. It is recommended that if combinations of premixes are to be used in rearing broilers, care should be taken to feed a proven premix of good quality at the starter phase.


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Additional Metadata

Item Type: Article
Divisions: Universiti Pertanian Malaysia
Publisher: Universiti Putra Malaysia Press
Keywords: Vitamins; Trace minerals; Premixes; Broiler chickens; Diets
Depositing User: Nasirah Abu Samah
Date Deposited: 30 Nov 2009 10:59
Last Modified: 04 Sep 2015 12:07
URI: http://psasir.upm.edu.my/id/eprint/3549
Statistic Details: View Download Statistic

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