ArticlePoultry science2021
Effects of oregano essential oil as an antibiotic growth promoter alternative on growth performance, antioxidant status, and intestinal health of broilers.
Article in Poultry science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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Who cites it
51 citing papers in PubMed, 120 citations in OpenAlex.
- Microencapsulated Blend of Thyme, Oregano, and Ajwain Essential Oils Enhances Broiler Productivity by Modulating Gut Morphology and Nutrient Digestibility.Veterinary sciences · 2026Article
- Medicinal Plants in Poultry During Post-Antibiotic Era in One-Health Approach: An Extensive Review.Veterinary medicine and science · 2026Review
- Innovative Approaches Against Planktonic and Biofilm-ProducingVeterinary sciences · 2026Review
- Dietary Black Soldier Fly Larvae Meal Improves Growth Performance and Meat Quality Associated with Enhanced Antioxidant Capacity and Intestinal Health in Wenchang Chickens.Animals : an open access journal from MDPI · 2026Article
- Oregano essential oil: a pre-harvest tool to reduce Salmonella enterica serovar Enteritidis in market-age broilers.Poultry science · 2026Article
- Essential Oils for Flea and Tick Control in Companion Animals: A Critical Review of Efficacy, Safety, Resistance Mitigation and Integrated Pest Management.Antibiotics (Basel, Switzerland) · 2026Review
- DietaryVeterinary world · 2026Article
- Article
- Maternal Taishan Panshi San supplementation is associated with improved foal growth performance, accompanied by alterations in gut microbiota and metabolic profiles.Frontiers in microbiology · 2026Article
- Short-term supplementation of thymol and carvacrol regulates feed intake via the hypothalamic PI3K/AKT/SF-1 pathway and influences intestinal traits in chicks.Frontiers in veterinary science · 2026Article
- Effects of Combined Oregano Essential Oil andVeterinary sciences · 2025Article
- Dietary Thymol-Carvacrol Cocrystal Supplementation Improves Growth Performance, Antioxidant Status, and Intestinal Health in Broiler Chickens.Antioxidants (Basel, Switzerland) · 2025Article
- Effects of dietary lysozyme supplementation on growth performance, intestinal morphology, immune function, antioxidant capacity, and gut microbiota in broilers.Poultry science · 2025Article
- Common factors and nutrients affecting intestinal villus height-A review.Animal bioscience · 2025Article
- Chemical Composition, Cytotoxicity, and Encapsulation of Lavender Essential Oil (Molecules (Basel, Switzerland) · 2025Article
- Inclusion of a microencapsulated pepper, cashew nut, and copaiba essential oils blend in broiler feed: evaluation of performance and nutrient metabolizability.Tropical animal health and production · 2025Article
- The mechanism of action of nisin in promoting poultry through tight junction integrity and dendritic cell anti-inflammatory properties.Archives of microbiology · 2025Article
- The effect of oregano essential oil and Bacillus subtilis supplements on winter fur growth in raccoon dogs (Nyctereutesprocyonoides).BMC veterinary research · 2025Article
- The effects of rosmarinic acid and antibiotics on the intestinal morphology, function, and cecal microbiota of broiler chickens.Journal of animal science · 2025Article
- Dietary encapsulated essential oils improve growth performance and regulate stress-responsive genes in heat-stressed broilers.Journal of animal science · 2025Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This experiment was conducted to assess the comparative effects of dietary antibiotics and oregano essential oil (OEO) addition on growth performance, antioxidant status and intestinal health of broilers. A total of 384 one-day-old broilers were randomly allocated to 4 treatments with 6 replicates of 16 broilers each. The 4 treatments were: an antibiotic-free control diet (control), control + 20 mg/kg colistin sulfate and 20 mg/kg virginiamycin (antibiotics), control + 200 mg/kg natural oregano essential oil (NOEO), and control + 200 mg/kg synthetic oregano essential oil (SOEO). The experiment lasted for 42 d. Results showed that birds fed with OEO had greater (P < 0.05) average daily gain (ADG) and lower (P < 0.05) feed conversion ratio (FCR) than those fed with control diet during d 1 to 21. Besides, birds fed with NOEO had the greatest (P < 0.05) ADG in the four groups during d 22 to 42. The serum oxidative stress parameters showed that OEO improved (P < 0.05) the activities of glutathione peroxidase (GSH-Px), superoxide dismutase (SOD) and glutathione reductase (GR) of birds on day 21 and the activity of total antioxidant capacity (T-AOC) of birds on d 42. Relative to control, NOEO increased (P < 0.05) the activity of T-AOC in jejunum and decreased (P < 0.05) the level of malondialdehyde (MDA) in serum and jejunum. Moreover, OEO supplementation increased (P < 0.05) the concentrations of sIgA in duodenum and jejunum, Lactobacillus and total anaerobes in cecum, as well as activities of trypsin, chymotrypsin, lipase and amylase in duodenum, but restrained (P < 0.05) the amount of Escherichia coli. The NOEO supplementation increased (P < 0.05) total anaerobes of broilers on d 42 and the villus height to crypt depth ratio (VH/CD) of ileum. These results suggest that OEO improved antioxidant status and intestinal health of broilers which contributed to the growth performance improvement of broilers. Dietary OEO supplementation can be a promising alternative to antibiotic growth promoters for improving poultry production.
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