Effect of three dietary phytogenic products on the production performance and coccidiosis in challenged broiler chickens

Walter Scheurer, Peter Spring, Luc Maertens

    Research output: Contribution to journalA1: Web of Science-articlepeer-review

    Abstract

    A pen trial using 1,080 male Ross 308 broiler chicks (6 treatments with 6 replicates each) was conducted to examine the effects of 3 dietary phytogenic products on avian coccidiosis. The dietary treatments included (1) a negative control (NC), (2) a positive control (PC) without feed additive, (3) Narasin at 0.7 kg/t (COCC), (4) PHYT1 (oregano) at 2.0 kg/t, (5) PHYT2 (combination of Curcuma, saponins, and inulin) at 1.0 kg/t, and (6) PHYT3 (Quillaja) at 1.0 kg/t. Treatments 2 through 6 were challenged with a mixture of Eimeria acervulina, Eimeria maxima, and Eimeria tenella at d 15 via feed. Standard performance parameters and coccidial lesion scoring (d 22) were conducted. One week after coccidial challenge, chicks BW of the COCC treatment and the NC were higher than all other treatments. Body weights on d 39 were 2.47 (NC), 2.34 (PC), 2.51 (COCC), 2.35 (PHYT1), 2.39 (PHYT2), and 2.41 kg (PHYT3) with an SEM of 0.033. For the entire trial period, Narasin yielded a significantly better FCR in comparison with the PC and PHYT3. Overall mean lesion score was 0.54 (NC), 0.91 (PC), 0.50 (COCC), 0.81 (PHYT 1), 1.02 (PHYT 2), and 1.13 (PHYT 3) with an SEM of 0.122. It was concluded that all 3 phytogenic products were not effective at the used dosage in alleviating the negative effects observed in coccidiosis-challenged birds.
    Original languageEnglish
    JournalJournal of Applied Poultry Research
    Volume22
    Issue number3
    Pages (from-to)591-599
    Number of pages9
    ISSN1056-6171
    DOIs
    Publication statusPublished - Sep-2013

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