The present study aims to find efficient alternatives to synthetic anthelmintics among ethno-veterinary herbs. Ascaridia galli eggs isolated from the worm uterus were exposed in vitro to methanolic extracts (ME) of nine plant species such as Achillea millefolium (AM), Artemisia absinthium (AA), Artemisia vulgaris (AV), Cicerbita alpina (CA), Cichorium intybus (CI), Inula helenium (IH), Origanum vulgare (OV), Tanacetum vulgare (TV), Tanacetum parthenium (TP). Flubendazole (FL), 0.5% formalin with dimethylsulfoxide and Petri dishes without the addition of reagents were used as positive, negative and untreated control respectively. The effects of the different ME at concentrations 0.500, 0.325, 0.200 mg/ml were assessed on the embryonic development (ED) of the eggs in duplicate. Logit analysis was used to calculate EC50 values. A generalized linear mixed model, having plant species and concentration as fixed effect and day as repeated measure, was used to determine differences in ED. Estimated EC50 was the lowest for FL at 0.11 mg/ml. CA and TV followed with 0.27 mg/ml and 0.32 mg/ml. ED for FL was significantly lower (25%) than that of CA (47%). The analysis showed 0.5 mg/ml of the ME of CA and TV significantly affected the ED at 35% and 42% inhibitions respectively. The ED for all ME showed similar pattern i.e., relatively higher efficacy in the first experimental week compared to the rest of the experimental period. The effect from all multicomponent extracts is time and dose dependent. The plants have promising results in inhibiting ED, contributing to the identification of alternative anthelmintic treatments.

Poulopoulou, I.; Horgan, M.J.; Siewert, B.; Siller, M.; Palmieri, L.; Martinidou, E.; Martens, S.; Fusani, P.; Temml, V.; Stuppner, H.; Gauly, M. (2023-09-30). In vitro evaluation of the effects of methanolic plant extracts on the embryonation rate of Ascaridia galli eggs. VETERINARY RESEARCH COMMUNICATIONS, 47: 409-419. doi: 10.1007/s11259-022-09958-9 handle: https://hdl.handle.net/10449/70278

In vitro evaluation of the effects of methanolic plant extracts on the embryonation rate of Ascaridia galli eggs

Palmieri, L.;Martinidou, E.;Martens, S.;
2023-09-30

Abstract

The present study aims to find efficient alternatives to synthetic anthelmintics among ethno-veterinary herbs. Ascaridia galli eggs isolated from the worm uterus were exposed in vitro to methanolic extracts (ME) of nine plant species such as Achillea millefolium (AM), Artemisia absinthium (AA), Artemisia vulgaris (AV), Cicerbita alpina (CA), Cichorium intybus (CI), Inula helenium (IH), Origanum vulgare (OV), Tanacetum vulgare (TV), Tanacetum parthenium (TP). Flubendazole (FL), 0.5% formalin with dimethylsulfoxide and Petri dishes without the addition of reagents were used as positive, negative and untreated control respectively. The effects of the different ME at concentrations 0.500, 0.325, 0.200 mg/ml were assessed on the embryonic development (ED) of the eggs in duplicate. Logit analysis was used to calculate EC50 values. A generalized linear mixed model, having plant species and concentration as fixed effect and day as repeated measure, was used to determine differences in ED. Estimated EC50 was the lowest for FL at 0.11 mg/ml. CA and TV followed with 0.27 mg/ml and 0.32 mg/ml. ED for FL was significantly lower (25%) than that of CA (47%). The analysis showed 0.5 mg/ml of the ME of CA and TV significantly affected the ED at 35% and 42% inhibitions respectively. The ED for all ME showed similar pattern i.e., relatively higher efficacy in the first experimental week compared to the rest of the experimental period. The effect from all multicomponent extracts is time and dose dependent. The plants have promising results in inhibiting ED, contributing to the identification of alternative anthelmintic treatments.
Ascaridia galli
Laying hens
Herbs
Anthelmintic activity
Settore VET/06 - PARASSITOLOGIA E MALATTIE PARASSITARIE DEGLI ANIMALI
30-set-2023
Poulopoulou, I.; Horgan, M.J.; Siewert, B.; Siller, M.; Palmieri, L.; Martinidou, E.; Martens, S.; Fusani, P.; Temml, V.; Stuppner, H.; Gauly, M. (2023-09-30). In vitro evaluation of the effects of methanolic plant extracts on the embryonation rate of Ascaridia galli eggs. VETERINARY RESEARCH COMMUNICATIONS, 47: 409-419. doi: 10.1007/s11259-022-09958-9 handle: https://hdl.handle.net/10449/70278
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