Effect of Giving Yamogi Probiotics (Yakult, Molasses, Yeast) with Different Doses on the Growth and Survival of Tilapia Fish Seeds (Oreochromis Niloticus

This research was conducted from November to December 2024 at Pokdakan Noby Taruna Remaja, Dungingi District, Gorontalo City. The research method used a completely randomized design (CRD) method of 4 different treatments with 3 replications, so that there were 12 experimental units. The results of the study stated that the provision of Yamogi probiotics with various doses had a significant effect on the growth of tilapia seeds with the highest treatment value in absolute weight growth was in treatment C with a dose of 100 ml (1.63 g) and absolute length gain was in treatment C with a dose of 100 ml (20.35 mm) and the survival rate was stated to have no significant effect for each probiotic because it produced values in treatment A (93.33%), B (96.67%), C (100%) and D (100%). This study emphasizes the importance of combining probiotics with other nutritional supplements to optimize cultivation results. Keywords: Oreochromis niloticus, Feed, Growth, Probiotic. Abstrak Penelitian ini dilaksanakan dari November sampai Desember 2024 di Pokdakan Noby Taruna Remaja Kecamatan Dungingi Kota Gorontalo. Metode penelitian menggunakan metode Rancangan Acak Lengkap (RAL) 4 perlakuan yang berbeda dengan 3 kali ulangan sehingga terdapat 12-unit percobaan. Hasil penelitian menyatakan pemberian probiotik Yamogi dengan berbagai dosis memberikan pengaruh nyata terhadap pertumbuhan benih ikan nila dengan nilai perlakuan tertinggi pada pertumbuhan berat mutlak terdapat pada perlakuan C dengan dosis 100 ml (1,63 gr) dan pertambahan panjang mutlak terdapat pada perlakuan C dengan dosis 100 ml (20,35 mm) serta tingkat kelangsungan hidup dinyatakan tidak berpengaruh nyata untuk setiap probiotik karena menghasilkan nilai pada perlakuan A (93,33%), B (96,67%), C (100%) dan D (100%). Penelitian ini menekankan pentingnya melakukan kombinasi probiotik dengan suplemen nutrisi lain guna mengoptimalkan hasil budidaya. Kata kunci: Oreochromis niloticus, Pakan, Pertumbuhan, Probiotik