ARSTIDARBROYTINGAR I RUNDORMA-INFEKTION I SEIÐI 61 35 n 30 0 a 20 611 15 B 3 J 10 MJ JASOND MJ JASOND JFMAMJJASOND | FMAMJ J ASOND Fig. 3. a .Mean lengths (black) of 1-year old saithe; white = 0.5 S.D. (standard deviation) Miðallongdir (svart) av 1-ára gomlum seiði; grátt = 0,5 standardfrávik. Fig. 3. b. Mean lengths (black) of2-year old saithe; white = 0.5 S.D Miðallongdir (svart) av 2-ára gomlum seiði; grátt = 0,5 standardfrávik.. Fig. 3. c. Mean weights (black) of 1 -year old saithe; white = 0.5 S.D. Miðalvektir (svart) av 1-ára gomlum seiði; grátt = 0,5 standardfrávik. Fig. 3. d. Mean weights (black) of2-year old saithe; white = 0.5 S.D. Miðalvektir (svart) av 2-ára gomlum seiði; grátt = 0,5 standardfrávik. Højgaard (1995a) reported a general de- cline in the prevalence of infection and abundance (mean number of larvae per fish examined) with A. simplex in adult offshore study includes younger fishes, 1- 2 years old. In this way the investigation reaches back to 1994 (the 1-year old fish has expe- rienced 1995, and the 2-year old físh has CAíUiuucuj wiuin. iirnjjLCA 111 auuii uiisiiuic iiciilcu 177J, cuiu uic z.-y^ai uiu nsii na saithe in the years 1991-1994. The present experienced 1994 and 1995), thus connect