{"refrec":{"BRefID":325470,"RR":"Szyper, J.P. (1989). Nutritional depletion of the aquaculture feed organisms Euterpina acutifrons, Artemia sp. and Brachionus plicatilis during starvation. J. World Aquacult. Soc. 20(3): 162-169. https://dx.doi.org/10.1111/j.1749-7345.1989.tb00570.x","BEntID":318947,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". J. World Aquacult. Soc. 20(3): 162-169. https://dx.doi.org/10.1111/j.1749-7345.1989.tb00570.x","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Szyper, J.P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Szyper, J.P.","Englishabstract":"The nutritional quality of the harpacticoid copepod Euterpina acutifrons , freshly‐hatched Artemita nauplii, juvenile and adult Artemia , and the rotifer Brachionus plictatilis , in fed and starved conditions, was evaluated through the use of ratios of dry weight to wet weight (DW/WW), ash‐free dry weight to dry weight (AFDW/DW), calories per mg ash‐free dry weight (cal/mg AFDW), and carbon to nitrogen by weight (C/N). E. acutifrons had in nearly all cases the highest values of DW/WW, AFDW/DW, and cal/mg AFDW. Calculated losses in caloric content per unit of wet weight (cal/mg WW) during one day's starvation were similar among species, ranging from 3 to 52 percent. C/N ratios were less variable, but also reflected starvation‐related changes indicating depletion of C relative to N, which is consistent With depletion of lipids and carbohydrates relative to protein.

Because little or no change in caloric density of organic material (cal/mg AFDW) was observed in any species under either condition, decreases in caloric content of wet weight or of individuals were due to decreases in DW/WW and AFDW/DW. Caloric content and carbon content were related by the factor 11.3 cal/mg C. Starvation‐related losses in the nutritional value of forage organisms can be important in larval rearing systems.

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