Life feed and Aquaculture, Fish nutritions, physiology and aquaculture including nutrient requirements of fish.

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• Achmad Noerkhaerin Putra. 2019. Effects of dietary Bacillus NP5 and sweet potato extract on growth and digestive enzyme activity of dumbo catfish, Clarias. Journal Aquaculture Indonesia 18 (1): 80-88. https://journal.ipb.ac.id/index.php/jai/article/view/80795
• Achmad Noerkhaerin Putra. Effects of Dietary probiotic Bacillus NP5 on the growth performances of catfish (Clarias sp.). Biotropia 27 (1). http://journal.biotrop.org/index.php/biotropia/article/view/1102.
• Achmad Noerkhaerin Putra. 2020. Effect of the administration of probiotic Bacillus NP5 in the rearing media on water quality, growth, and disease resistance of African catfish (Clarias gariespinus). Biodiversitas 21(6): 2566-2575. https://smujo.id/biodiv/article/view/5565
• Achmad Noerkhaerin Putra. 2021. Dietary Bacillus NP5 supplement impacts on growth, nutrient digestibility, immune response and resistance to Aeromonas hydrophila infection of African catfish, Clarias gariepinus. Biodiversitas 22(1): 253-261 https://smujo.id/biodiv/article/view/6922

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