ArticleAnimals : an open access journal from MDPI2024
Oregano Essential Oil as a Natural Plant Additive Affects Growth Performance and Serum Antibody Levels by Regulating the Rumen Microbiota of Calves.
Article in Animals : an open access journal from MDPI, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
5 citing papers in PubMed.
- Phytogenic Modulation of Rumen Fermentation Reshapes Amino Acid Metabolism in Weaned Dairy Calves: A Mechanistic Insight.Animals : an open access journal from MDPI · 2026Article
- Plant essential oil supplementation promotes growth and attenuates lipopolysaccharide (LPS)-induced acute liver injury through SIRT1/PGC-1α signaling pathway in nursery pigs.Animal bioscience · 2025Article
- Effects of different doses of oregano essential oil on growth performance, health parameters, and the gut microbiome-metabolome profile in heat-stressed Pinan cattle (Piedmontese × Nanyang).Frontiers in microbiology · 2025Article
- The Effects of a Blend of Essential Oils in the Milk of Suckling Calves on Performance, Immune and Antioxidant Systems, and Intestinal Microbiota.Animals : an open access journal from MDPI · 2024Article
- Exploring the Effect of GastrointestinalAnimals : an open access journal from MDPI · 2024Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
This experiment aimed to investigate whether supplementation of calves with different doses of oregano essential oil (OEO) could promote the development of the gastrointestinal tract and enhance the immune ability of calves by regulating the rumen microbiota. Twenty-four 70-day-old healthy and disease-free Holstein male calves were randomly divided into four groups, with the control group fed a basal diet, and the treatment group provided 4 g, 6 g, and 8 g of oregano essential oil per day in addition to the basal diet. After the 14-day pre-test, a 56-day formal test was conducted. At days 0 and 56 of the standard test period, calves were weighed, the average daily weight gain of calves during the test period was calculated, and serum samples were collected to measure the concentration of immunoglobulins (IgA, IgG, and IgM) in the serum; at day 56 of the formal test period, rumen fluid was collected from the calves, and 16SrRNA was sequenced to analyze changes in the rumen microbiota of the calves. The changes in the rumen microbiota of calves were analyzed by 16SrRNA sequencing. The results of the study showed that (1) OEO supplementation in calves significantly increased end weight and average daily gain (
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Registered trials
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