Pengaruh Pemberian Bokashi Rumen Sapi Yang Ditambah Kotoran Ayam Dosis Berbeda Terhadap Kelimpahan Chlorella Sp

Mukti, Fraja (2022) Pengaruh Pemberian Bokashi Rumen Sapi Yang Ditambah Kotoran Ayam Dosis Berbeda Terhadap Kelimpahan Chlorella Sp. Other thesis, Universitas Islam Riau.

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Abstract

This study aims to determine the effect of beef rumen bokashi added with different doses of chicken manure on the abundance of Chlorella sp. The method used was a Completely Randomized Design (CRD) method with 5 treatments and 3 replications, namely treatment P0 = control (2 grams of beef rumen bokashi without the addition of chicken manure), P1 = 2 grams of beef rumen bokashi + 2.5 grams of chicken manure/ L of water, P2 = 2 g of beef rumen bokashi + 3.0 g of chicken manure/L of water, P3 = 2 g of beef rumen bokashi + 3.5 g of chicken manure/L of water and P4 = 2 g of beef rumen bokashi + 4.0 g chicken manure/L water. The results showed the abundance of Chlorella sp. The highest was obtained in the P3 treatment of 4,561,111 cells/mL, with a peak on the 10th day and the lowest in the P0 treatment of 2,855,556 cells/mL, with a peak on the 6th day, The highest specific growth rate was in the P0 treatment of 0.196 cells/day and the lowest was in the P3 and P4 treatments of 0.121 cells/day. The highest biomass in the P3 treatment was 0.42 g/L and the lowest was 0.26 g/L in the P0 treatment. Water quality is obtained with temperatures ranging from 26-27oC, pH 6.40-8.45, nitrate content ranging from 0.1063-0.2833 mg/L, phosphate 2.0243-2.8650 mg/L, DO 3.3-5.1 mg/L, Fe 0.021-0.968 mg/L and Mn < 0.010 mg/L.

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