EFEKTIVITAS PEMBERIAN BAKTERI Bacillus polymyxa MELALUI PAKAN TERHADAP IMUNITAS NON SPESIFIK UDANG VANNAMEI (Litopenaeus vannamei)

MUHAMMAD HARIS KURNIAWAN , 1314111038 (2017) EFEKTIVITAS PEMBERIAN BAKTERI Bacillus polymyxa MELALUI PAKAN TERHADAP IMUNITAS NON SPESIFIK UDANG VANNAMEI (Litopenaeus vannamei). FAKULTAS PERTANIAN, UNIVERSITAS LAMPUNG.

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Abstrak (Berisi Bastraknya saja, Judul dan Nama Tidak Boleh di Masukan)

Penambahan bakteri Bacillus polymyxa dalam pakan sebagai imunostimulan merupakan salah satu upaya pencegahan penyakit pada udang vannamei (Litopenaeus vannamei). Tujuan penelitian ini adalah untuk mengetahui efektivitas pemberian bakteri Bacillus polymyxa melalui pakan terhadap imunitas non spesifik udang vannamei. Penelitian ini terdiri dari 4 perlakuan yaitu pemberian pakan yang ditambah bakteri Bacillus polymyxa dengan kepadatan 0 sel/ml sebagai control (A), 104 sel/ml (B), 106 sel/ml (C) dan 108 sel/ml (D) dan setiap perlakuan diulang 3 kali. Penelitian dilakukan selama 15 hari. Parameter uji yang diamati adalah total haemocyte count (THC), aktivitas fagositosis, differential haemocyte count (DHC) dan kualitas air. Hasil penelitian menunjukkan bahwa penambahan bakteri Bacillus polymyxa sebanyak 106 sel/ml dapat meningkatkan THC sebesar 6,6x107 sel/ml pada hari ke-10. Nilai DHC berada dalam kisaran normal yaitu sel hyalin sebesar 52-89% dan pada sel granular sebesar 11-48%. Kualitas air media pemeliharaan selama penelitian berada pada kisaran normal yaitu suhu 27,2-28,1°C, DO 3,70-3,91ppm, pH 3,70- 3,91, dan salinitas 30-35 ppt. Kata kunci : Litopenaeus vannamei, imunostimulan, Bacillus polymyxa, imunitas non spesifik ABSTRACT The addition of Bacillus polymyxa bacteria in the feed as immunostimulant is one of the efforts of disease prevention on vannamei shrimp (Litopenaeus vannamei). The aimed of this research was to know the effectivity of the use of Bacillus polymyxa bacteria in feed towards the non-specific imunity of vannamei shrimp. This research consisted of 4 treatments namely feed with the density of Bacillus polymyxa bacteria 0 cell/ml as control (A), 104 cell/ml (B), 106 cell/ml (C) and 108 cell/ml (D) and each treatment is repeated 3 times. This research has been done in 15 days. Parameters that observed this research were total haemocyte count (THC), phagocytosis activity, differential haemocyte count (DHC) and water quality. The results showed that the addition Bacillus polymyxa bacteria of 106 cell/ml was able to improve THC value 6,6x107 cell/ml on the day 10. The DHC value was in the normal range which is hyalin cell was 52-89% and granular cell was 11-48%. The quality of water maintenance media during this research was in the normal range there were temperature 27,2-28,1°C, DO 3,70-3,91ppm, pH 3,70-3,91, and salinity 30-35 ppt. Keywords : Litopenaeus vannamei, immunostimulant, Bacillus polymyxa, non spesific imunity

Jenis Karya Akhir:	Skripsi
Subyek:	> Budidaya . Perikanan . Angling
Program Studi:	Fakultas Pertanian dan Pascasarjana > Prodi Budidaya Perairan
Pengguna Deposit:	10071522 . Digilib
Date Deposited:	13 Dec 2017 07:34
Terakhir diubah:	13 Dec 2017 07:34
URI:	http://digilib.unila.ac.id/id/eprint/29236

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