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20121
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Subject: Zoology × Author: Ramandeep Kaur × End date: 2019 × Start date: 2012 × Type: Thesis ×
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    ThesisItemOpen Access
    EVALUATION OF EUCALYPTUS AND CITRONELLA OILS AS REPELLENTS AGAINST HOUSE RAT, Rattus rattus (Linnaeus)
    (PAU Ludhiana, 2012) Ramandeep Kaur; Neena, Singla
    Experiments were conducted in laboratory pens, maze and store houses using two essential oils namely eucalyptus and citronella oils to study their repellency against house rat, Rattus rattus. In laboratory pens, both oils were applied as paint, as encapsulated wax blocks and as spray each further with three modes of application i.e. daily, once a week, and alternatively in a week at three concentrations 5, 10 and 20%. Repellent effect of the two oils was observed at all the concentrations tested but significantly (P ≤ 0.05) higher effect of eucalyptus oil was in female rats at 20% concentration and of citronella oil in male rats at 10% concentration when applied as spray alternatively. Multichoice experiment conducted in T-maze using 5% eucalyptus and citronella oils as encapsulated wax blocks in choice with no treatment revealed significantly (P ≤ 0.05) higher repellent effect of eucalyptus oil compared to citronella oil in female rats. Bichoice experiment conducted in I-maze using 5% eucalyptus oil as encapsulated wax blocks in choice with no treatment showed significantly (P ≤ 0.05) reduced movements and activities of both male and female rats in treated zone compared to untreated zone. In store house experiments conducted using 5% eucalyptus and citronella oils as encapsulated wax blocks and as spray revealed more percent repellency and control success with eucalyptus oil as encapsulated wax blocks. Present studies thus reveal the efficacy of 5% eucalyptus oil encapsulated in wax blocks as repellent against R. rattus of both sexes.