[1] COBELLIS G,TRABALZA-MARINUCCI M,YU Z.Critical evaluation of essential oils as rumen modifiers in ruminant nutrition:a review[J].The Science of the Total Environment,2016,545-546:556-568.
[2] ZENG Z K,ZHANG S,WANG H L,et al.Essential oil and aromatic plants as feed additives in non-ruminant nutrition:a review[J].Journal of Animal Science and Biotechnology,2015,6(1):7.
[3] DE CÁSSIA DA SILVEIRA E SÁ R,ANDRADE L N,DOS REIS BARRETO DE OLIVEIRA R,et al.A review on anti-inflammatory activity of phenylpropanoids found in essential oils[J].Molecules,2014,19(2):1459-1480.

[4] ALAGAWANY M,ABD EL-HACK M E,FARAG M R,et al.The applications of
Origanum vulgare and its derivatives in human,ruminant and fish nutrition-a review[J].Annals of Animal Science,2020,20(2):389-407.

[5] MENDEL M, CHŁOPECKA M,DZIEKAN N,et al.Phytogenic feed additives as potential gut contractility modifiers-a review[J].Animal Feed Science and Technology,2017,230:30-46.
[6] SIMITZIS P.Enrichment of animal diets with essential oils-a great perspective on improving animal performance and quality characteristics of the derived products[J].Medicines,2017,4(2):35.
[7] BRENES A,ROURA E.Essential oils in poultry nutrition:main effects and modes of action[J].Animal Feed Science and Technology,2010,158:1-14.
[8] ATTRI K,DEY A,DAHIYA S S,et al.Abatement of enteric methane production from lactating Murrah buffaloes (
Bubalus bubalis) with improving production performance and immune status through dietary supplementation of composite feed additive[J].Environmental Science and Pollution Research International,2020,27(18):22476-22485.

[9] LIU T,CHEN H,BAI Y,et al.Calf starter containing a blend of essential oils and prebiotics affects the growth performance of Holstein calves[J].Journal of Dairy Science,2020,103(3):2315-2323.

[10] BRAUN H S,SCHRAPERS K T,MAHLKOW-NERGE K,et al.Dietary supplementation of essential oils in dairy cows:evidence for stimulatory effects on nutrient absorption[J].Animal,2019,13(3):518-523.

[11] ROSENDAHL J,BRAUN H S,SCHRAPERS K T,et al.Evidence for the functional involvement of members of the TRP channel family in the uptake of Na
(+) and NH
4(+) by the ruminal epithelium[J].Pflugers Archiv:European Journal of Physiology,2016,468(8):1333-1352.

[12] JOCH M,KUDRNA V,HAKL J,et al.
In vitro and
in vivo potential of a blend of essential oil compounds to improve rumen fermentation and performance of dairy cows[J].Animal Feed Science and Technology,2019(251):176-186.
[13] GINANE C,BAUMONT R,FAVREAU-PEIGNÉ A.Perception and hedonic value of basic tastes in domestic ruminants[J].Physiology & Behavior,2011,104(5):666-674.

[14] VAN KNEGSEL A T M,VAN DEN BRAND H,GRAAT E A M,et al.Dietary energy source in dairy cows in early lactation:metabolites and metabolic hormones[J].Journal of Dairy Science,2007,90(3):1477-1485.

[15] DE OLIVEIRA MONTESCHIO J,PASSETTI R A C,DE SOUZA K A,et al.Acceptability by sensory and visual analyses of meat from Nellore heifers fed with natural additives and finished in feedlots[J].Journal of the Science of Food and Agriculture,2020,100(13):4782-4790.

[16] KUMAR Y,YADAV D N,AHMAD T,et al.Recent trends in the use of natural antioxidants for meat and meat products[J].Comprehensive Reviews in Food Science and Food Safety,2015,14(6):796-812.

[17] DESCALZO A M,SANCHO A M.A review of natural antioxidants and their effects on oxidative status,odor and quality of fresh beef produced in Argentina[J].Meat Science,2008,79(3):423-436.

[18] TAVENDALE M H,LANE G A,SCHREURS N M,et al.Effects of condensed tannins from dorycnium rectum on skatole and indole ruminal biogenesis for grazing sheep[J].Australian Journal of Agricultural Research,2005,56(12):1331-1337.

[19] 米热古丽·伊马木,吴婷婷,聂彪彪,等.添喂薰衣草精油对绵羊瘤胃液吲哚和粪臭素含量的影响[J].新疆农业科学,2012,49(6):1148-1152. YIMAMU M,WU T T,NIE B B,et al. The Effects of supplementing lavender essential oil on concentrations of indole and skatole in sheep rumen fluid[J].Xinjiang Agricultural Sciences,2012,49(6):1148-1152.(in Chinese)
[20] LEI Z M,ZHANG K,LI C,et al.Dietary supplementation with essential-oils-cobalt for improving growth performance,meat quality and skin cell capacity of goats[J].Scientific Reports,2018,8(1):11634.
[21] YANG W Z,HE M L.Effects of feeding garlic and juniper berry essential oils on milk fatty acid composition of dairy cows[J].Nutrition and Metabolic Insights,2016,9(9):19-24.
[22] KHOLIF S M,MORSY T A,ABDOB M M,et al.Effect of supplementing lactating goats rations with garlic,cinnamon or ginger oils on milk yield, milk composition and milk fatty acids profile[J].Journal of Life Science,2012,4(1):27-34.

[23] BOUTOIAL K,FERRANDINI E,ROVIRA S,et al.Effect of feeding goats with rosemary (
Rosmarinus officinalis spp.) by-product on milk and cheese properties[J].Small Ruminant Research,2013,112(1-3):147-153.

[24] LEJONKLEV J,KIDMOSE U,JENSEN S,et al.Short communication:effect of oregano and caraway essential oils on the production and flavor of cow milk[J].Journal of Dairy Science,2016,99(10):7898-7903.

[25] POULOPOULOU I,ZOIDIS E,MASSOURAS T,et al.Terpenes transfer to milk and cheese after oral administration to sheep fed indoors[J].Journal of Animal Physiology and Animal Nutrition,2012,96(2):172-181.

[26] 卢德勋.健康养殖的营养技术策略的系统观[J].饲料工业,2019,40(2):1-5. LU D X.The systemic concept on a nutritional strategy for healthy animal production[J].Feed Industry,2019,40(2):1-5.(in Chinese)
[27] LAKHANI N,KAMRA D N,LAKHANI P,et al.Immune status and haemato-biochemical profile of Buffalo calves supplemented with phytogenic feed additives rich in tannins,saponins and essential oils[J].Tropical Animal Health and Production,2019,51(3):565-573.

[28] LHUSSIENL M N,DANG A K.Integrated effect of seasons and lactation stages on the plasma inflammatory cytokines,function and receptor expression of milk neutrophils in Sahiwal (
Bos indicus) cows[J].Veterinary Immunology and Immunopathology,2017(191):14-21.
[29] DE LAVOR É M,FERNANDES A W C,DE ANDRADE TELES R B,et al.Essential oils and their major compounds in the treatment of chronic inflammation:a review of antioxidant potential in preclinical studies and molecular mechanisms[J].Oxidative Medicine and Cellular Longevity,2018,2018:6468593.
[30] AMORATI R,FOTI M C,VALGIMIGLI L.Antioxidant activity of essential oils[J].Journal of Agricultural and Food Chemistry,2013,61(46):10835-10847.

[31] YE Z W,ZHANG J,TOWNSEND D M,et al.Oxidative stress,redox regulation and diseases of cellular differentiation[J].Biochimica et Biophysica acta,2015,1850(8):1607-1621.

[32] KOTSAMPASI B,TSIPLAKOU E,CHRISTODOULOU C,et al.Effects of dietary orange peel essential oil supplementation on milk yield and composition,and bloodand milk antioxidant status of dairy ewes[J].Animal Feed Science and Technology,2018,245:20-31.
[33] GUMUS R,EROL H S,IMIK H,et al.The effects of the supplementation of lamb rations with oregano essential oil on the performance,some blood parameters and antioxidant metabolism in meat and liver tissues[J].Kafkas Universitesi Veteiner Fakultesi Dergsi,2017,23(3):395-401.
[34] ZHOU R,WU J,LANG X,et al.Effects of oregano essential oil on
in vitro ruminal fermentation, methane production,and ruminal microbial community[J].Journal of Dairy Science,2020,103(3):2303-2314.

[35] PATRA A K,YU Z T.Effects of essential oils on methane production and fermentation by,and abundance and diversity of,rumen microbial populations[J].Applied and Environmental Microbiology,2012,78(12):4271-4280.

[36] LEI Z M,ZHANG K,LI C,et al.Ruminal metagenomic analyses of goat data reveals potential functional microbiota by supplementation with essential oil-cobalt complexes[J].BMC Microbiology,2019,19(1):30.
[37] SHIN N R,WHON T W,BAE J W.Proteobacteria:microbial signature of dysbiosis in gut microbiota[J].Trends in Biotechnology,2015,33(9):496-503.

[38] POPE P B,SMITH W,DENMAN S E,et al.Isolation of Succinivibrionaceae implicated in low methane emissions from Tammar wallabies[J].Science,2011,333(642):646-648.
[39] POUDEL P,FROEHLICH K,CASPER D P,et al.Feeding essential oils to neonatal Holstein dairy calves results in increased ruminal prevotellaceae abundance and propionate concentrations[J].Microorganisms,2019,7(5):120.
[40] GARCIA F,COLOMBATTO D,BRUNETTI M A,et al.The reduction of methane production in the
in vitro ruminal fermentation of different substrates is linked with the chemical composition of the essential oil[J].Animals,2020,10(5):786.
[41] BELANCHE A,NEWBOLD C J,MORGAVI D P,et al.A meta-analysis describing the effects of the essential oils blend agolin ruminant on performance,rumen fermentation and methane emissions in dairy cows[J].Animals,2020,10(4):620.
[42] EL-ZAIAT H M,ABDALLA A L.Potentials of patchouli (
Pogostemon cablin) essential oil on ruminal methanogenesis,feed degradability,and enzyme activities
in vitro[J].Environmental Science and Pollution Research International,2019,26(29):30220-30228.

[43] MARTIN C,MORGAVI D P,DOREAU M.Methane mitigation in ruminants:from microbe to the farm scale[J].Animal,2010,4(3):351-365.

[44] SOLTAN Y A,NATEL A S,ARAUJO R C,et al.Progressive adaptation of sheep to a microencapsulated blend of essential oils:ruminal fermentation,methane emission,nutrient digestibility,and microbial protein synthesis[J].Animal Feed Science and Technology,2018,237:8-18.
[45] WU P,LIU Z B,HE W F,et al.Intermittent feeding of citrus essential oils as a potential strategy to decrease methane production by reducing microbial adaptation[J].Journal of Cleaner Production,2018,194:704-713.
[46] BENCHAAR C.Feeding oregano oil and its main component carvacrol does not affect ruminal fermentation, nutrient utilization,methane emissions,milk production,or milk fatty acid composition of dairy cows[J].Journal of Dairy Science,2020,103(2):1516-1527.

[47] FANDIÑO I,FERNANDEZ-TURREN G,FERRET A,et al.Exploring additive,synergistic or antagonistic effects of natural plant extracts on
in vitro beef feedlot-type rumen microbial fermentation conditions[J].Animals,2020,10(1):173.
[48] BASSOLÉ I H N,JULIANI H R.Essential oils in combination and their antimicrobial properties[J].Molecules,2012,17(4):3989-4006.

[49] 卢德勋.饲料营养活性物质(nutricines):一个亟待重新审视的研究领域[J].饲料工业,2020,41(3):1-5. LU D X.Feed nutricines:a research area that is worth to examine closely[J].Feed Industry,2020,41(3):1-5.(in Chinese)