Cited by 6Ruminant Nutrition and Digestive PhysiologyAnimal Nutrition and PhysiologyEssential Oils and Antimicrobial Activity

In vitro effect of essential oils on rumen fermentation and microbial nitrogen yield of high concentrate dairy cow diet

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Davoodi, Seyed Masoud, Mesgaran, Mohsen Danesh, Vakili, Ali Reza, Valizadeh, Reza, Pirbalouti, Abdollah Ghasemi·2016·Biosciences Biotechnology Research Asia

Abstract

Present study was conducted to investigate the effect of including plant essential oils on in vitro ruminal fermentation and microbial nitrogen synthesis of a dairy cow diet rich in concentrate. The treatments consisted of the diet alone (control; BD) as well as containing 50 and 100 μl L-1 essential oil of thyme (BDT), mint (BDM), savory (BDS), or a mixture of the essential oils at the rate of 1:1:1 (BDmix). Essential oils decreased gas production at 24, 48 and 96 h of incubation compared with that of BD. However, mint at the rate of 50 or 100 μl L-1 resulted an increase in the microbial nitrogen when compared to BD, BDS and BDT. The nitrogen content of truly undegraded residu (NDFN) content and NH3-N concentration were lower, while the dry matter digestibility was greater in the BDmix, regardless of dosage levels, as compared with the control. The inclusion of a mixture of essential oils at 50 μl L-1 to the basal diet caused intensified dry matter disappearance, in comparison to other treatments. Results showed that the synergetic effects of essential oils together in a dairy cow diet of rich in concentrate can alter rumen microbial fermentation and improve microbial protein yield.

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  • Synergetic effects of essential oils (thyme, mint, and savory) in a high-concentrate diet have been observed regarding desirable shifts in microbial fermentation and higher microbial protein yield in dairy cows.

    “Likewise, synergetic effects of EO (thyme, mint, and savory) in a high-concentrate diet have been observed regarding desirable shifts in microbial fermentation and higher microbial protein yield in dairy cows (251).”

    From Phytogenic Additives Can Modulate Rumen Microbiome to Mediate Fermentation Kinetics and Methanogenesis Through Exploiting Diet–Microbe Interaction (2020) · cites this paper as [251]

    The Results (Microbial Nitrogen Production; page not supplied) report higher microbial nitrogen yield with the mixed essential oils, and the Conclusion reports effects on rumen fermentation. However, the study tested a dairy-cow diet in vitro; it did not observe these effects in dairy cows themselves. (LLM, conf=0.86)

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Authors
Davoodi, S. M., Mesgaran, M. D., Vakili, A. R., Valizadeh, R., & Pirbalouti, A. G.
Affiliations
  • Ferdowsi University of Mashhad (IR)
  • Department of Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P.O. Box 91775-1163, Mashhad, Iran.
  • Islamic Azad University of Shahrekord (IR)
Corresponding author
Mesgaran, Mohsen Danesh
Venue
Biosciences Biotechnology Research Asia
Published
2016-06-30
Volume
16
Issue
2
Pages
333-341
ISSN
  • 0973-1245 (ISSN-L)
  • 2456-2602
OpenAlex
W4235679172
Cited by
6
References
28
Citations by year
2022: 3 · 2021: 2 · 2020: 1
FWCI
0.00
Type
journal article
Language
en
Open access
Locations
Biosciences Biotechnology Research Asia (publishedVersion, cc-by)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Essential Oils and Antimicrobial Activity
Keywords
essential oils, rumen fermentation, dairy cattle feed, high-concentrate diet, thyme essential oil, mint oil, gas production, dry matter digestibility, ammonia nitrogen, microbial protein, synergistic effect

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