Marine Products of Commerce

Tressler, Donald K.

doi:10.2307/3902113

Cited by 21 publications

(15 citation statements)

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“…The estimated fecundity for C. sapidus was relatively smaller, when compared with studies conducted in Chesapeake Bay, where from 700,000 to 4,500,000 eggs per female were obtained (Truitt, 1939;Tressler & Lemon, 1951;Prager et al, 1990). In general, the fecundity of genus Callinectes also tends to increase with the size of females (Branco & Avila, 1992;Santos, 1990;Baptista-Metri et al, 2005).…”

Section: Areas Males Femalesmentioning

confidence: 92%

Population biology of Callinectes danae and Callinectes sapidus (Crustacea: Brachyura: Portunidae) in the south-western Atlantic

et al. 2009

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The capture of crabs of the genus Callinectes is one of the oldest extractive activities practised by waterside communities, due to the abundance of brachyurans along the Brazilian coast. The present paper aimed to provide basic information on the population biology of C. sapidus and C. danae during the period of December 2003 to November 2004, in Babitonga Bay, Joinville, Santa Catarina. The size of the first maturation of C. danae was estimated as 7.1 cm in total carapace width for females, and as 8.6 cm for males. Fecundity of the 20 females of C. danae with carapace width from 7.0 to 11.0 cm varied from 618,667 to 811,267 eggs. Fecundity of C. sapidus was higher, with a median of 978,000 eggs per female, but carapace widths in this species were also larger, with the highest frequency of females attaining 19.01 cm on average. In both species, a tendency was observed for the egg mass to increase with size of females. The capture per unit of effort presented the lowest values in summer, while the largest values occurred from March, August and November. A total of 80 males and 117 females of C. sapidus were captured in the four collecting areas, with the largest abundances in Area III (45.18%), followed by Areas II, IV and I. The size of the first maturation of C. sapidus was estimated as 10.2 cm for females and as 9.0 cm for males. Fishing effort was in relative equilibrium for adult stock (males = 58.75% and females = 52.99%) and juveniles (males = 41.25% and females = 47.01%). The largest monthly rates of biomass of C. sapidus occurred from April to November, with a peak of capture in August, without significant differences in the participation of males and females.

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Section: Areas Males Femalesmentioning

confidence: 92%

Population biology of Callinectes danae and Callinectes sapidus (Crustacea: Brachyura: Portunidae) in the south-western Atlantic

et al. 2009

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“…Although a cod liver oil industry had existed in the United States, it had never assumed important proportions. In 1921, only 6,015 gallons of medicinal cod liver oil were produced, and all this oil was being produced, in Massachusetts and Maine, and, shark liver oil was being manufactured only in North Carolina, in connection with the shark leather industry (Tressler, 1923). In the early 1920's, most of the cod and shark liver oils used in the United States were imported, and the main producers of cod liver oil in the world were Norway (1,318,922 gal.…”

Section: The Shark Liver Oil Fishery 1938-1948mentioning

confidence: 99%

“…Tressler (1923) stated that its most important use in the early twentieth century was in the tanning industry. Dogfi sh oil was also used as a lubricant in many tools and mills of the period.…”

Section: The Dogfi Sh Oil Industrymentioning

confidence: 99%

“…in 1922), with Newfoundland, Canada, Scotland, and Japan producing smaller quantities. Iceland was also a producer of shark liver oil (Tressler, 1923) In California, prior to 1937, a small shark fi shery existed in California, based on the Soupfi n (or Tope) Shark, Galeorhinus galeus. It supplied a limited local demand for fresh shark fi llets and for reduction into poultry feed.…”

Section: The Shark Liver Oil Fishery 1938-1948mentioning

confidence: 99%

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Historical Knowledge of Sharks: Ancient Science, Earliest American Encounters and American Science, Fisheries, and Utilization

Castro¹

2014

MFR

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“…Concentrations below 4 per cent have little or no preservative action because all bacteria require salt for adequate metabolism; some bacteria even grow well in a one to two per cent brine solution. 5 Griffiths and Lemon 4 in their studies on haddock used a 10 per cent salt solution for brining. To every 25 lb.…”

Section: Study Of Fish Processingmentioning

confidence: 99%