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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
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- 1 - 9 (9page)
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Magnesium hydrogen phosphate (MHP, MgHPO4) recovered from swine manure was prepared as an alternative phosphorus (P) source. Conventional P additives, monocalcium phosphate (MCP), dicalcium phosphate (DCP), and tricalcium phosphate (TCP) were compared with the MHP in terms of growth and P availability by juvenile carp Cyprinus carpio. A basal diet as a negative control was prepared using practical feed ingredients without P supplementation to which four supplemental P sources were added at the level of 2%. Five groups of 450 fish having mean body weight of 6.5 g following 24 h fasting after 2 weeks of adaptation period were randomly distributed into each of 15 tanks (30 fish/tank). Fish were hand-fed to apparent satiety twice a day for 9 weeks. Fish fed the MHP had weight gain (WG), feed conversion ratio (FCR), protein efficiency ratio (PER), and specific growth rate (SGR) comparable to those fed the MCP. Those values of both the MHP and MCP groups were significantly different (p < 0.05) from the other groups. Fish groups fed control and the TCP showed the lowest WG, PER, and SGR and the highest FCR among treatments. No fish were died among treatments during the experimental period.
Fish fed control and the TCP showed hematocrit and hemoglobin significantly lower (p < 0.05) than fish fed the MHP. The lowest inorganic P (Pi) in plasma was found in the control group. Even though Pi was not significantly different (p > 0.05) from other phosphate groups, fish fed the MCP and MHP retained higher P in whole body than the other groups. P availability was determined to be 93.2, 62.4, 6.1, and 98.0% for MCP, DCP, TCP, and MHP, respectively. The present results suggested that the MHP recovered from wastewater stream could be used as an alternative P source in carp diet.
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참고문헌 (58)
참고문헌 신청
AOAC / 1990 / Official Methods of Analysis / Association of Official Analytical Chemists :1298
Auer MT / 1986 / Identification of critical nutrient levels through field verification of models for phosphorus and phytoplankton growth / Can J Fish Aquat Sci 43:379~388
Avila EM / 2000 / Dietary phosphate regulates intestinal transport and plasma concentrations of phosphate in rainbow trout / J Comp Physiol 170B:210~209
Barham WT / 1980 / The haematological assessment of bacterial infection in rainbow trout, Salmo gairdneri Richardson / J Fish Biol 17:275~281
Beveridge MCM / 1984 / Cage and pen fish farming : carrying capacity models and environmental impact / FAO Fish Tech Pap 255:131
Auer MT / 1986 / Identification of critical nutrient levels through field verification of models for phosphorus and phytoplankton growth / Can J Fish Aquat Sci 43:379~388
Avila EM / 2000 / Dietary phosphate regulates intestinal transport and plasma concentrations of phosphate in rainbow trout / J Comp Physiol 170B:210~209
Barham WT / 1980 / The haematological assessment of bacterial infection in rainbow trout, Salmo gairdneri Richardson / J Fish Biol 17:275~281
Beveridge MCM / 1984 / Cage and pen fish farming : carrying capacity models and environmental impact / FAO Fish Tech Pap 255:131
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