Effects of Dietary Levels of Probiotics on the Growth and Survival of the Snakehead Fish (Channa striata) Cultivated in the Bucket System | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 69, Volume 29, Issue 1, January and February 2025, Page 1269-1284 PDF (411.11 K) | ||||
| DOI: 10.21608/ejabf.2025.409627 | ||||
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| Author | ||||
| Rizki et al. | ||||
| Abstract | ||||
| This research aimed to analyze the effects of different dietary levels of probiotics on the growth and survival rate of the snakehead fish (C. striata) cultivated in a bucket system. The study employed a completely randomized design (CRD) experimental method with five treatments and three replications. The fish were fed commercial feed supplemented with probiotics at concentrations of 5, 10, 15, and 20ml.kg⁻¹ of feed, while the control group received commercial feed without probiotics. Each treatment group contained 10 fish, ranging from 7 to 9cm in length, and was stocked in an 80-liter bucket for a 42-day rearing period. The feed provided was 5% of the fish biomass. The addition of probiotics to the feed had a significantly different effect on the fish compared to the control group, impacting absolute length growth, absolute weight growth, specific growth rate, feed conversion, and survival rate. The 10 ml.kg⁻¹ concentration resulted in the highest absolute length growth (2.33cm) and the highest specific growth rate (2.08%). The 20ml.kg⁻¹ concentration led to the highest absolute weight growth (5.43g) and the best feed conversion ratio (2.35). The 5ml.kg⁻¹ concentration achieved the highest feed efficiency (45.02%). These results indicate that the addition of commercial probiotics to the diet significantly influences the growth performance of snakehead fish reared in a bucket system. | ||||
| Keywords | ||||
| Bucket; Feed efficiency; Snakehead fish; Growth; Probiotics | ||||
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