Ethyl alcohol에 고정된 고등어(Scomber japonicus) 치어의 어체수축
Body Shrinkage of Juvenile Chub Mackerel Scomber japonicus after Preservation in Ethyl Alcohol
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초록
We investigated body shrinkage, def ined as change in standard length and body weight of juvenile chub mackerel Scomber japonicus after preservation in 70% ethyl alcohol for 1, 8, or 12 days. Standard length (SL) was decreased by 3.6% and body weight (BW) was reduced by 27.5% after 8 day of preservation. There were no significant decreases in SL and BW after 8 or 12 days preservation. Linear regression equations for estimation of original body size from the size after preservation in 70% ethyl alcohol for 12 days were expressed as: SLoriginal = 0.96SLpreserved + 5.17 and BWoriginal = 1.16BWpreserved + 0.37. These equations will be useful for improving accuracy the estimation accuracy for various size-related biological parameters in juvenile chub mackerel juvenile.
Abstract
We investigated body shrinkage, def ined as change in standard length and body weight of juvenile chub mackerel Scomber japonicus after preservation in 70% ethyl alcohol for 1, 8, or 12 days. Standard length (SL) was decreased by 3.6% and body weight (BW) was reduced by 27.5% after 8 day of preservation. There were no significant decreases in SL and BW after 8 or 12 days preservation. Linear regression equations for estimation of original body size from the size after preservation in 70% ethyl alcohol for 12 days were expressed as: SLoriginal = 0.96SLpreserved + 5.17 and BWoriginal = 1.16BWpreserved + 0.37. These equations will be useful for improving accuracy the estimation accuracy for various size-related biological parameters in juvenile chub mackerel juvenile.
참고문헌 (17)
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