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Asian Journal of Animal and Veterinary Advances

Year: 2021 | Volume: 16 | Issue: 1 | Page No.: 30-42
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Authors

Dwi Priyanto

Dwi Priyanto

Bondan Fajar Wahyudi

Sunaryo

Keywords

Research Article

Estimation Methods of Rat Abundance Concerning Zoonotic Diseases in Gunung Kidul Regency, Yogyakarta, Indonesia

Dwi Priyanto Dwi Priyanto's LiveDNA, Bondan Fajar Wahyudi and Sunaryo
Background and Objective: Several species of rats are commensal, the population spreads along with human settlements. Rat surveys mostly carried out as a precaution for various rat borne diseases. An accurate and precise estimation of the rat population is required to provide an overview of the abundance of rats in an area, during and after the eradication program. This study aims to demonstrate and compare the application of several methods and formulas for estimating rat abundance. Materials and Methods: The cross-sectional survey was conducted for 21 consecutive days at Wotgalih Hamlet, Pilangrejo Village, Nglipar District, Gunung Kidul Regency, Yogyakarta, Indonesia, using 200 single live trap units. The rat abundance estimation was calculated using the observation method, the method of removal and non-removal sampling. The calculation on the removal method uses the Trap Sukses; Hayne; Zippin and Maximum Weighted Likelihood formulae. The non-removal method uses the Lincoln-Petersen and Jolly Seber formulas. The observation method describes the number of houses with rats contain. Results: Trap success formulae; Zippin and Maximum Weighted Likelihood tends to get an underestimate abundance while the Lincoln-Petersen and Jolly Seber formulas tend to overestimate. Conclusion: The removal sampling method is more suitable for surveying residential rats, the Hayne formulae are easier to apply in rat surveillance concerning health problems and produce a more accurate rat abundance estimation.
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