multiphase feeding program for broilers can replace traditional system

Clics: 285
ID: 225723
2015
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Résumé
Broilers are traditionally managed with feeding programs that often consist of three or four phases. In this study we investigated whether a multiphase feeding program (14 phases) of broilers based on the optimal mix of two feeds could replace a traditional four phase system while maintaining broiler performance. To evaluate this prposed program we measured variables of performance, carcass yield, and nitrogen excretion. In addition, we determined if the multiphase feeding program (14 phases) would be equally effective regardless of bird gender. A total of 480 day-old Cobb chicks were used, with an average weight of 44.74 ± 0.16 g (females) and 44.71 ± 0.11 g (males). The birds were distributed in a completely randomized 2 × 2 factorial design. Each treatment consisted of six replicates with 20 animals per experimental unit. Results were analyzed separately in two periods (1–21 and 22–42 days) as determined by slaughter date, as well as for the entire growth period (1–42 days). The multiphase program led to improvements in final body weight and average daily weight gain, in addition to an increase in breast yield.
Clé de Référence
hauschild2015scientiamultiphase Utilisez cette clé pour citer automatiquement dans le manuscrit lors de l'utilisation de SciMatic Manuscript Manager ou Thesis Manager
Auteurs ;Luciano Hauschild;Camila Ferreira Delfim Bueno;Aline Remus;Jaqueline de Paula Gobi;Renan Di Giovanni Isola;Nilva Kazue Sakomura
Revue journal of the iranian chemical society
Année 2015
DOI
10.1590/0103-9016-2014-0207
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162015000300210&lng=en&tlng=en
Mots-clés
body composition precision nutrition levels of lysineagriculture (general)

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