지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Six strains (OKK, MOK, CHA, WON, SOS & PUA) of Korean rotifer, Brachionus plicatilis (S-type) were isolated from salt pond, and the resting egg production of these strains was investigated with the different salinities (10, 20, 30 ppt). Rotifer were cultured at 28℃ and 2,000 lux in 20 ml test tube with feeding Nannochloris oculata.
The maximum rotifer density was 2,050 inds./ml at 10 ppt for OKK strain, and MOK strain showed the highest specific growth rate (1.028) at 10 ppt. Mixis rate of CHA and WON strains increased with the lower salinity, while MOK strain increased the rate with salinity. PUA strain did not show the mixis rate even at the high rotifer density, and OKK strain showed the very low mixis rate ranging from 1.1 to 3.0%.
Fertilization rate of CHA, MOK, SOS and WON strains was ranged from 10.4 to 68.8%, and OKK strain did not showed any fertilization rate. The highest production of resting egg in 20 ml test tube was 4,065 eggs at 10 ppt for WON strain.
The results may suggest that the selection of rotifer strain and salinity are important factors for the mass production of resting egg.
The maximum rotifer density was 2,050 inds./ml at 10 ppt for OKK strain, and MOK strain showed the highest specific growth rate (1.028) at 10 ppt. Mixis rate of CHA and WON strains increased with the lower salinity, while MOK strain increased the rate with salinity. PUA strain did not show the mixis rate even at the high rotifer density, and OKK strain showed the very low mixis rate ranging from 1.1 to 3.0%.
Fertilization rate of CHA, MOK, SOS and WON strains was ranged from 10.4 to 68.8%, and OKK strain did not showed any fertilization rate. The highest production of resting egg in 20 ml test tube was 4,065 eggs at 10 ppt for WON strain.
The results may suggest that the selection of rotifer strain and salinity are important factors for the mass production of resting egg.
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UCI(KEPA) : I410-ECN-0101-2009-529-015333534