Fróðskaparrit - 01.01.1958, Page 14

Fróðskaparrit - 01.01.1958, Page 14
20 Fiti í sild Fesk fjarðarsild. (Fresh Fjordherring). Av feskari fjarðarsild hava bert 16 sýnislutir verið kann* aðir. Hóast tølini eru ov fá til at geva nakra sanna mynd, skilst tað tó av teimum, at nøgdin av fiti í fjarðarsildini broytist við árstíðini nøkulunda á sama hátt og í havsildini. Viðmerkingarnar til evnissundurloysingarnar á 8. talvu siga frá, at sildin, ið kannað var, hevur verið ójøvn til støddar, og skilligt er at munur er á stórari og smáari sild somu tíð á árinum. Sýnislutirnir nr. 13 og nr. 14 t. d. eru úr sama fongi. 1 sildini, sum var 22—31 cm long var fitin 11,2%, meðan í smærri sild bert vóru 4,8% av fiti. Yvirhøvur hevur sildin roynst feitast í juli, august og september. í stórari sild er lægsta fitiinnihaldið funnið í apríl. Ein av atvoldunum til at fitiinnihaldið er funnið at vera so ójavnt somu tíð á árinum er, at sildin hevur verið ójøvn til støddar. Fyri at fáa meiri nágreiniligar upplýsingar um fitina í fjarðarsildini eigur hon við framhald av rann* sóknunum at vera býtt sundur í flokkar eftir stødd, og hvør flokkur eigur at vera kannaður fyri seg. SUMMARY During the period 1952—1958 fresh and salted middle»sized Atlanto« Scandian herring caught north of the Faroe Islands (64°—68° N., 4°— 12° V.) has been examined for content of fat. 4. table shows that the lowest content of fat (7,9 per cent) of fresh herring was found in the month of may. In the course of june and july the fat content increased rapidly reaching its highest level (19,5 per cent) about the lst of august. The decline sets in about lst of november. The graphic representation is made on basis of the figures in 4. table including some figures from norwegian investigations of middleisized herring. Fresh herring was examined with head and intestines. The fat content of salted herring was slightly above 20 per cent from the end of july till the end of september, falling to 19,9 per cent in oktober and to 18,8 per cent at the beginning of november. Salted herring was examined beheaded and without stomach. Due to this fact
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