2012
DOI: 10.3382/japr.2012-00551
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The effects of dietary oregano essential oil on live performance, carcass yield, serum immunoglobulin G level, and oocyst count in broilers

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Cited by 58 publications
(41 citation statements)
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“…The average feed consumption was greater than that suggested for the manual feeding of Cobb 500 broilers (Cobb-Vantress-Brasil, 2008), indicating that any health challenge to which the broilers were subjected with 5% bedding mixed in the diet did not affect the variables. The performance results in the initial phase are in agreement with those obtained by Kirkpinar et al (2011) and Alp et al (2012), who found no difference for feed intake, weight gain and feed conversion at day 21 in broilers administered 300 mg OEO/kg diet. Zanini et al (2013) also observed no significant difference in weight gain, either in the initial phase or in the entire experimentation phase, when broiler feed was supplemented with OEO at 0.5 g/kg and 1 g/kg.…”
Section: Resultssupporting
confidence: 90%
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“…The average feed consumption was greater than that suggested for the manual feeding of Cobb 500 broilers (Cobb-Vantress-Brasil, 2008), indicating that any health challenge to which the broilers were subjected with 5% bedding mixed in the diet did not affect the variables. The performance results in the initial phase are in agreement with those obtained by Kirkpinar et al (2011) and Alp et al (2012), who found no difference for feed intake, weight gain and feed conversion at day 21 in broilers administered 300 mg OEO/kg diet. Zanini et al (2013) also observed no significant difference in weight gain, either in the initial phase or in the entire experimentation phase, when broiler feed was supplemented with OEO at 0.5 g/kg and 1 g/kg.…”
Section: Resultssupporting
confidence: 90%
“…Oregano essential oil has been associated with antifungal (Bedoya-Serna et al, 2018), antibacterial, and antioxidant activity in vitro (Gandra et al, 2013) and in vivo (Zanini et al, 2013;Ri et al, 2017), stimulation of enzyme secretion (He et al, 2017), and modulation of microbial colonization of the gastrointestinal tract and intestinal morphology (Dias et al, 2015;He et al, 2017). However, reports of its effects on the performance and carcass characteristics of broilers have been inconsistent, with positive effects on these characteristics (Mathlouthi et al, 2012;Peng et al, 2016) as opposed to no effects (Alp et al, 2012;Koyama et al, 2014) being detected.…”
Section: Introductionmentioning
confidence: 99%
“…the serum biochemical analyses of hens revealed that higher doses of OeO caused changes in the metabolism of proteins by increasing serum levels of globulins, in accordance to results reported by Alp et al (2012). these authors detected an increase on globulin levels of broilers fed with 300 mg.kg -1 of OeO.…”
Section: Discussionsupporting
confidence: 88%
“…However, the thyme or oregano can increase the IgG levels to a certain extent. Different levels (150-450 ppm) of clove essential oils had no effect on IgM and IgG levels in broilers (Mehr et al, 2014) and the oregano essential oil did not affect serum IgG in the broilers at 42 days (Alp et al, 2012), no significant difference (P>0.05). Feeding broilers a diet supplemented with 60-240 mg/kg of essential oils, containing 25% thymol and 25% carvacrol, did not affect TNF-α levels, but the treatment group have a low level compared with control group (P>0.05) (Du et al, 2016).…”
Section: Resultsmentioning
confidence: 99%