Pengaruh Penambahan Garam pada Pakan terhadap Kinerja Pertumbuhan Ikan Patin (Pangasianodon hypophthalmus)

Abstract

Penelitian ini bertujuan untuk mengevaluasi efek penambahan garam pada pakan terhadap kinerja pertumbuhan ikan patin (Pangasianodon hypophthalmus). Penelitian ini menggunakan metode Rancangan Acak Lengkap (RAL) dengan empat perlakuan dan empat ulangan. Perlakuannya adalah penambahan garam ke dalam formula pakan sebanyak 1, 3, 5, dan 7%. Ikan dengan bobot awal 10,66±0,01 g ditebar dengan kepadatan 37,5 ekor m-3 , dipelihara selama 60 hari. Pakan perlakuan diberikan dua kali sehari at satiation. Hasil penelitian menunjukkan bahwa peningkatan pemberian garam ke dalam pakan dari 1% menjadi 3% mampu meningkatkan pertumbuhan dan rasio efisiensi protein, serta menurunkan konversi pakan. Peningkatan penambahan garam menjadi 5% dan 7% menyebabkan turunnya pertumbuhan ikan dan rasio efisiensi protein, serta meningkatkan konversi pakan sehingga nilainya di bawah perlakuan penambahan garam 1%. Hasil uji polinomial ortogonal menunjukkan bahwa nilai optimal penambahan garam ke dalam pakan ikan patin adalah 2,56%.

This study aims to evaluate the effect of salt addition in feed on the growth performance of striped catfish (Pangasianodon hypophthalmus). This study used a Completely Randomized Design (CRD) method with four treatments and four replications. The treatment involved adding salt to the feed formula at levels of 1%, 3%, 5%, and 7%. Fish with an initial weight of 10.66 ± 0.01 g were stocked at a density of 30 fish per hapa (1 × 1 × 1 m) and maintained for 60 days. Fish were fed a diet twice a day at satiation. The results showed that increasing the addition of salt to the feed from 1% to 3% enhanced growth and improved the feed efficiency ratio, while reducing the feed conversion ratio. Increasing the addition of salt to 5% and 7% resulted in a decrease in fish growth and protein efficiency ratio, as well as an increase in feed conversion ratio, which led to a value below that of the treatment with 1% salt addition. The results of the orthogonal polynomial test showed that the optimal value of salt addition to striped catfish feed is 2.56%.