EVALUATION OF THE EFFICACY OF TWO DETERRENTS (HERBOLIV® AND BOREP®) AGANIST CROP RAIDING WILD ANIMALS
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Date
2023-03-22
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KVASU CENTRE FOR WILDLIFE STUDIES KERALA VETERINARY AND ANIMAL SCIENCES UNIVERSITY POOKODE, WAYANAD
Abstract
The study evaluated the efficacy of wild animal deterrents (Herboliv®, Borep®) which are olfactory repellents available in the market. Borep®is an olfactory repellent which is mainly used to deter wild boar (Sus scrofa). Herboliv®is a bio liquid with various herbal extract and other organic product which gives an odour to the crops when sprayed and makes the crop non-palatable for wild animals and is mainly used against deer.The study was undertaken in the selected areas in Vythiri panchayath, of Wayand district, where the crop raiding by wild animals are regular. The study area was selected after conducting a pilot survey and based on the information collected from the elected panchayath representatives. Three plots were selected for the study. All the three selected plots were having same crops grown and the major crops in the three plots included coffee and areca palm. Prior to the deterrent application in the plots, camera trap was used to monitor the wild animal entry into the field. This was also done to understand that activity pattern of the animals in the plots. It was found that the Sambar deer had the highest number of visits in the plots. It was also found that the peak activity of the wild animals in the field was during the late midnight hours. After the camera trap study in all the respective plots, the deterrents Herboliv®and Borep® were applied. And again, the camera trap was placed in the three plots to know the efficacy of the two deterrents. It was found that the number of wild animal entry into the three plots was reduced to a significant level.The study also evaluated the cost of the deterrents and found that the deterrentBorep® was more cost effective when compared to Herboliv®. This was because for the deterrent Herboliv®, a super dose should to be done in the field for better results.