EFEK DESINFEKTAN TERHADAP Leptospira interrogans serovar hardjo
Abstract
Leptospirosis merupakan penyakit zoonosis disebabkan oleh bakteri Leptospira patogen yang dapat menginfekasi hewan ternak, hewan liar, dan juga manusia. Hewan yang terinfeksi dapat menyebarkan bakteri ke lingkungan melalui urine dan menjadi sumber infeksi bagi hewan lain dan juga manusia sehingga desinfeksi kandang dan lingkungan penting dalam upaya pengendalian penyakit. Desinfektan yang sering digunakan dan mudah diperoleh yaitu Virkon S dan sodium hipoklorit. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian Virkon S dan sodium hipoklorit terhadap daya hidup bakteri Leptospira interrogans serovar hardjo. Kultur bakteri Leptospira interrogans serovar hardjo dengan konsentrasi 1,5 x 108 CFU/mL ditambahkan dengan larutan sodium hipoklorit dan Virkon S hingga menghasilkan campuran dengan konsentrasi 0,1%, 0,5%, dan 1% dan diinkubasi selama 5, 10, 15, 30, dan 45 menit. Pengamatan dilakukan dengan menggunakan mikroskop fase kontras. Hasil menunjukkan sodium hipoklorit dengan konsentrasi 1% paling cepat dapat mengeliminasi L. interrogans serovar hardjo pada menit ke-10 sedangkan Virkon S 0,1%, 0,5%, dan 1% belum dapat mengeliminasi bakteri pada pengamatan secara langsung hingga 45 menit. Sodium hipoklorit lebih efektif dibandingkan dengan Virkon S dalam mengeliminasi L. interrogans serovar hardjo. Oleh karena itu, peternak dianjurkan menggunakan sodium hipoklorit 1% untuk desinfeksi kandang dan lingkungan.
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