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Plant extracts used as growth promoters in broilers Rev. Bras. Ciênc. Avic.
Barreto,MSR; Menten,JFM; Racanicci,AMC; Pereira,PWZ; Rizzo,PV.
Two experiments were carried out to assess the efficacy of plant extracts as alternatives for antimicrobial growth promoters in broiler diets. The performance experiment included 1,200 male broilers raised from 1 to 42 days of age. The metabolism experiment used 96 male broilers in the grower phase housed in metabolic cages for total excreta collection. At the end of the metabolism experiment, 24 birds were sacrificed to assess organ morphometrics. In both experiments, the following treatments were applied: control diet (CD); CD + 10 ppm avilamycin; CD + 1000 ppm oregano extract; CD + 1000 ppm clove extract; CD + 1000 ppm cinnamon extract; and CD + 1000 ppm red pepper extract. The microencapsulated extracts contained 20% of essential oil. No significant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apparent metabolizable energy; Broilers; Nutrition; Growth promoters; Plant extracts.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000200006
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