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首页> 外文期刊>Turkish Journal of Fisheries & Aquatic Sciences >Relationship between Seasonal Variations in Body and Proximate Compositions of Chub Mackerel Scomber japonicus from the Korean Coast
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Relationship between Seasonal Variations in Body and Proximate Compositions of Chub Mackerel Scomber japonicus from the Korean Coast

机译：朝鲜海岸Chu鲭鱼的身体季节性变化与附近成分的关系

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摘要

Seasonal variations of proximate and body compositions of chub mackerel Scomber japonicus from the coastal waters of Korea were correlated with gonad morphology were determined in this study. Crude lipid content was 4.99–19.27 g/100 g, with the highest and lowest values observed in December and March, respectively. Correlations (r2 values) with total length, body weight, and crude lipid content were relatively high (0.71–0.81) from September to December. In subsequent group analyses of total length (25, 25–30, 30–35, 35–40, and 40 cm), crude lipid content trends were investigated, and number of mackerel with total length of 35 cm was the lowest at the start of spawning season in April. In addition, the highest gonadosomatic index (GSI) was observed at this time, and it differed significantly in 35 cm long mackerel from that during the other months. Crude protein content was also the highest in April and was strongly associated with total length and body weight. Moreover, GSI was correlated with crude protein content, with r2 values of 0.72 in April and 0.59 in May. Thus, seasonal variations in proximate composition were intimately related with the spawning season and total length of mackerel was coincided with the maturation stage of the fish.
机译：在本研究中，确定了来自韩国沿海水域的mac鲭鱼的近距离和身体组成的季节性变化与性腺的形态相关。粗脂肪含量为4.99–19.27 g / 100 g，分别在12月和3月观察到最高和最低值。从9月到12月，与总长度，体重和粗脂质含量的相关性（r2值）相对较高（0.71-0.81）。在随后的总长度（<25、25–30、30–35、35–40和> 40 cm）组分析中，调查了粗脂含量趋势，而总长度> 35 cm的鲭鱼数量最低在四月份的产卵季节开始时。此外，此时观察到最高的性腺体指数（GSI），在<35 cm长的鲭鱼中，其与其他月份的显着不同。粗蛋白含量也是4月份最高的，并且与总长度和体重密切相关。此外，GSI与粗蛋白含量相关，4月的r2值为0.72，5月的r2值为0.59。因此，附近组成的季节变化与产卵季节密切相关，鲭鱼的总长度与鱼的成熟期相吻合。

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