The present research aimed to study the sensitivity of snails, adults small sand snail Helicella vestalis (Pfiffer) as non-target organisms towards, Kuik (insecticide); Brominal (herbicide); Sencor (herbicide) and Goal (herbicide) under laboratory conditions.
The tested pesticides exerted lethal effect against land snail H. vestalis after seven days post-treatments. The mortality percentages increased with increasing the concentration values and the duration of exposure towards all the tested pesticides at laboratory experiments. The 7-days/LC50 values were, 0.38%, 1.15%, 1.83% and 2.30% for Kuik, Brominal, Sencor and Goal against H. vestalis respectively. Moreover, the impacts of sub lethal concentration (1/8 LC50) of Kiuk on certain biochemical parameters were advised for dissimilar intervals thereupon request. Results expressed that the total protein level heightened thereupon 1st day then diminished peicemeally thereupon 3 rd and 7th day post - treatment comparatively with control. The level of total lipid was hesitated whereas it minimized thereupon 1st day but it raised post 3rd day then, minimized thereupon 7th day. The vitality of glutamic pyruvic transaminase (GPT) piecemeally lessend with interval thereupon treatment while various findinas were recorded in state of glutamic oxaloacetic transaminase (GOT), as the identical treatment augment the enzyme vitality symmetry post 1st and 3rd, then it tessened thereupon 7th day. Regarding lactic acid dehydrogenase (LDH), results showed strict diminished in its level thereupon 1st, 3rd and 7th day pot-treatment. Moreover, the vitality of acetylcholinestrase (AchE) was significantly diminished traverse the identical intervals. |
