Potential of walnut (Juglans regia) leave ethanolic extract to modify ruminal fermentation, microbial populations and mitigate methane emission

Sahebi, Maryam; Pirmohammadi, Rasoul; Khalilvandi-Behroozyar, Hamed; Anassori, Ehsan

doi:10.1071/an19241

Cited by 3 publications

(2 citation statements)

References 37 publications

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“…Hence, we chose a higher concentration (1.5 mg/ mL) to be assessed. Sodium monensin (Rumensin®, Elanco, Itapira, Brazil) was used as a positive control at 12 μg/ml, according to Ala, et al [ 35 ]. Plant extracts and MON were dissolved in dimethyl sulphoxide (SDFCL sd fiNE-CHEM limiTEd St. Mumbai, India).…”

Section: Methodsmentioning

confidence: 99%

Potential of selected plant extracts to control severe subacute ruminal acidosis in vitro as compared with monensin

et al. 2022

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Background In recent years, researchers have become increasingly interested in developing natural feed additives that can stabilize ruminal pH and thus prevent or eliminate the risk of severe subacute rumen acidosis. Herein, 3 experiments were conducted using a semi-automated in vitro gas production technique. In the experiment (Exp.) 1, the efficacy of 9 plant extracts (1.5 mg/ml), compared to monensin (MON; 12 μg/ml), to counteract ruminal acidosis stimulated by adding glucose (0.1 g/ml) as a fermentable carbohydrate without buffer was assessed for 6 h. In Exp. 2, cinnamon extract (CIN) and MON were evaluated to combat glucose-induced acidosis with buffer use for 24 h. In Exp. 3, the effect of CIN and MON on preventing acidosis when corn or barley grains were used as substrate was examined. Results In Exp. 1, cinnamon, grape seeds, orange, pomegranate peels, propolis, and guava extracts significantly increased (P < 0.05) pH compared to control (CON). Both CIN and MON significantly increased the pH (P < 0.001) but reduced cumulated gas production (P < 0.01) compared to the other treatments. In Exp. 2, the addition of CIN extract increased (P < 0.01) pH value compared to CON at the first 6 h of incubation. However, no significant differences in pH values between CIN and CON at 24 h of incubation were observed. The addition of CIN extract and MON decreased (P < 0.001) lactic acid concentration and TVFA compared to CON at 24 h. The CIN significantly (P < 0.01) increased acetate: propionate ratio while MON reduced it. In Exp. 3, both CIN and MON significantly increased (P < 0.05) ruminal pH at 6 and 24 h and reduced lactic acid concentration at 24 h compared to CON with corn as substrate. However, CIN had no effect on pH with barley substrate at all incubation times. Conclusions It can be concluded that CIN can be used effectively as an alternative antibiotic to MON to control ruminal acidosis when corn is used as a basal diet.

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Section: Methodsmentioning

confidence: 99%

Potential of selected plant extracts to control severe subacute ruminal acidosis in vitro as compared with monensin

et al. 2022

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“…The demand is driven recently to use alternatives natural compounds instead of chemical ones such as plant extracts from medicinal and aromatic plants in addition to wild plants in defending diseases caused by different microbes fungal, bacterial, viral, nematode and insect 1,2 . The inclination towards the use of natural materials as a substitute for the artificial ones has increased dramatically due to some consequences of the latter such as undesirable side effects, complexity, the emergence of the medicine resistance trait and cost benefits, competition by manufacturers [3][4][5][6][7] . Many…”

Section: Introductionmentioning

confidence: 99%

Efficacy of Bark (Juglans regia L.) Extracts Against Periodontitis Bacteria: an In Vitro Study

Khawlah A. Salman,

Sahar M. Jawad,

Najla Naji Chafat

et al. 2021

Indian Journal of Forensic Medicine & Toxicology

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Juglans regia is one of the medicinal plants widely applied in many applications due to its pharmacological value and desirable characteristics of its parts. Hence, there is a motivation of medicinal and cosmetics applications. In this paper, the crude aqueous extracts from Juglan regia bark were screened for in vitro antibacterial properties against clinical isolates of Periodontitis bacterial causative agents (Granulicatella adiacens, Staphylococcus sciuri, and Kocuria spp. The antibacterial test was carried out using the Kirby Bauer method. The tested extract from this medicinal plant with the different concentrations (100 mg/ml, 250 mg/ml, 500 mg/ml) were screened. The standard antibiotics Ciprofloxacin (5 μg/ml) and Cefotaxime (30µg/ml) were used as controls. The extract of 250 mg/ml being more effective in action as compared to the others. Furthermore, Kocuria spp showed the most isolate affected by the extract. This research has revealed the active inhibitory effect of bark extract against all the tested isolates. This extract contains active chemical components that contribute to biological activity thereby assisting to combat bacterial infections. However, many studies need to be carried out to identify the responsible constituents for growth inhibition.

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Effects of heat stress on

Amini

Pirmohammadi²,

Khalilvandi-Behroozyar³

et al. 2022

Anim. Prod. Sci.

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Context Interest in studying heat stress (HS) has increased significantly due to the problems associated with increasing global warming. Heat stress has very destructive effects on the health and performance of livestock. Aims Our objective was to investigate the effects of heat stress on in vivo and in vitro ruminal metabolism in fat-tailed Iranian sheep. Methods Fourteen intact non-lactating and non-pregnant mature fat-tailed Makoei ewes (67.5 ± 2.5 kg BW) were kept indoors for 24 h/day and randomly assigned to HS (33.0–41.0°C and a temperature–humidity index (THI) of ≥83 for 24 h/day) or thermoneutral (TN; 24.5 ± 2.3°C and a THI of 66.1 ± 2.5) condition in two consecutive experimental periods. At the end of first experimental period, the animals in each group were exchanged with another group. The ewes were fed a total mixed ration two times a day, composed of lucerne hay (33%) and corn silage (1:2) to meet their maintenance metabolisable energy and protein requirements. Key results HS ewes had lower dry-matter (DM) intake than did TN ewes (P < 0.05). HS increased the in vivo DM, organic matter (OM) and neutral detergent fiber digestibility (P < 0.05), but crude protein digestibility was not affected. Total volatile fatty acid concentration and pH were not affected by HS. However, propionate molar percentage was increased and N-NH3 concentration was decreased by HS. In vitro gas production of three different tested feeds was lower in rumen fluid collected from HS than that from TN group, but DM and OM digestibility and methane emission were decreased only in the case of Orchard grass (P < 0.05). Conclusions and implications In general, HS had detrimental effects on DM intake and in vitro nutrient digestibility but increased in vivo nutrient digestibility, and changed microbial population.

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Potential of walnut (Juglans regia) leave ethanolic extract to modify ruminal fermentation, microbial populations and mitigate methane emission

Cited by 3 publications

References 37 publications

Potential of selected plant extracts to control severe subacute ruminal acidosis in vitro as compared with monensin

Potential of selected plant extracts to control severe subacute ruminal acidosis in vitro as compared with monensin

Efficacy of Bark (Juglans regia L.) Extracts Against Periodontitis Bacteria: an In Vitro Study

Effects of heat stress on

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