Testing some extracts of plants from the Danube Delta with potential antiparasitic effect on equines
Journal Title: Scientific Annals of the Danube Delta Institute - Year 2015, Vol 21, Issue
Abstract
The study was done during november 2016 on strongyls eggs from feces from a total of 28 horses in Tulcea county, C.A. Rosetti locality in the Danube Delta. To determine the degree of infestation was used the method McMaster and Stoll (adapted for quantitative larvohelmintology). The tests of hatching eggs (egg hatching assay - EHA) and larval development (larvae development assay - LDA) were made, using as active substances herbal decoctions and hydro-alcoholic solutions made from well known anthelmintic plants. One decoction and two hydro-alcoholic extracts were tested, Hippophae rhamnoides (sea buckthorn) respectively Thymus serpyllum (creeping thyme) and Arthemisia absinthium (wormwood). In order to achieve the two tests for therapeutic efficacy of the tested products were obtained six serial dilutions with concentrations of 50%, 25%, 12.5%, 6.25%, 3.12%, and 1, 56%. For decoctions were made control samples with distilled water, and with alcohol for hydroalcoholic solutions. The data obtained in both tests were analyzed using Anthelmintic Rezistance Program (ARP), determining the parameters "a" and "b" to trace the line prediction and lethal concentrations (CL). We can be concluded that for the decoction was observed an emphatic decrease of the percentage of larval development. For the two hydro-alcoholic extracts the hatching percentage of Strongyls eggs was different depending on the concentration used, the maximum value being registered at 25% dilution, in which the percentage of hatching was 82.35%, and the minimum concentration of 12.50%. LDA test showed a significant reduction in the percentage of larval Strongyls development, stage 3, at all dilutions, which is less than 50%.
Authors and Affiliations
Stefan Raileanu, Mihai Cernea, Violeta Tamasu
Keywords
Related Articles
- EP ID EP235217
- DOI 10.7427/DDI.21.08
- Views 116
- Downloads 0
Some features of biology of tubenose goby Proterorhinus marmoratus (Pallas, 1814) (Gobiidae, Perciformes) in the Kerch strait
The present paper provides data on length-weight composition and sex ratio, respectively information about spawning and feeding of tubenose goby (Proterorhinus marmoratus) from the Kerch strait. A total number of 1200 sp...
On a mathematical model of simulating the hydraulic process of bars’ formation at the Danube River mouths
The paper presents the description of the hydraulic process which takes place at the contact of the fluvial waters with the marine ones. The mathematical analysis of this hydraulic process is done and it results in two d...
Preliminary Data on the Studies of Alosa immaculate in Romanian marine waters
Danube shad is a fish with high economic and socio-cultural value for the human communities established in the Danubian-Pontic space. In Romania, shad fishery has a market value of about 1.5 million euro, with average an...
Contributions to the knowledge on the impact of the administrative changes on the research performance
The paper present a case study of assessing the impact of administrative reorganization on scientific performance. In order to predict the future evolution of the research activity at the institutional level, assessing o...
Long-term nutrients and heavy metals concentration dynamics in aquatic ecosystems of Danube Delta
This study aims to make an overview of the last fifteen years of contamination freshwater, in the Danube river, branches and delta lakes. The water quality of the river and Delta lakes was described by analysing the data...