Ravindran R, Chithra N, Deepa P, Ajithkumar K, Chandrasekhar L, Sreelekha K, et al
. In vitro effects of caffeic acid, nortriptyline, precocene I and quercetin against Rhipicephalus annulatus (Acari: Ixodidae). Exp Appl Acarol. 2017;71:183-193 pubmed publisher
..Caffeic acid, nortriptyline, precocene I and quercetin revealed very low adult mortality and inhibition of fecundity, even at the highest concentration tested. Quercetin (>50 mg/mL) caused blocking of hatching of eggs. ..
Ravindran R, Lakshmanan B, Ravishankar C, Subramanian H. Prevalence of Linguatula serrata in domestic ruminants in South India. Southeast Asian J Trop Med Public Health. 2008;39:808-12 pubmed
..The potential importance of these findings to human health is discussed. ..
Ravindran R, Juliet S, Sunil A, Kumar K, Nair S, Amithamol K, et al
. Eclosion blocking effect of ethanolic extract of Leucas aspera (Lamiaceae) on Rhipicephalus (Boophilus) annulatus. Vet Parasitol. 2011;179:287-90 pubmed publisher
..L. aspera extract also produced complete failure of eclosion of eggs from the treated ticks even at lower dilutions of the extract...
Ravindran R, Juliet S, Sunil A, Ajith Kumar K, Nair S, Amithamol K, et al
. Acaricidal activity of Cassia alata against Rhipicephalus (Boophilus) annulatus. Exp Appl Acarol. 2012;56:69-74 pubmed publisher
..The highest mortality (45.8%) and inhibition of fecundity (10.9%) were observed at the highest concentration tested (100 mg/ml). The plant extract did not affect egg hatchability...
Sreelekha K, Chandrasekhar L, Kartha H, Ravindran R, Juliet S, Ajithkumar K, et al
. Ultrastructural analysis of oocytes of Rhipicephalus (Boophilus) annulatus during postengorgement period as a tool to evaluate the cytotoxic effects of amitraz and deltamethrin on the germinative cells. Vet Parasitol. 2017;247:113-120 pubmed publisher
..The study further indicated that, in addition to the previous proven neurotoxic effects, these compounds act directly on the ovary of tick...