日本水産学会誌
Online ISSN : 1349-998X
Print ISSN : 0021-5392
ISSN-L : 0021-5392
36 巻, 9 号
選択された号の論文の17件中1~17を表示しています
  • 小栗 幹郎, 小川 瑞穗, 曾我部 博文
    1970 年 36 巻 9 号 p. 881-884
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    Histological examination was made to identify JG cells on the kidneys of eleven species of Chondrichthyes and two species of Cyclostomi. However, the JG cells could not be detected in them.
  • 奈須 敬二, 町田 三郎
    1970 年 36 巻 9 号 p. 885-888
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    According to the data in the seasons of 1962/63 to 1965/66 at least, the main sei whaling grounds generally existed in the sea region between the Antarctic Convergence and the Subtropical Convergence.
    It seems that when the Antarctic Convergence shifted further south than other seasons, the catch per unit effort of sei whale declined, and in the season of inverse phenomena; it increased.
    Accordingly, if such a tendency is evident as a rule, the stock assessment based on the catch data must be corrected by the rate of exploitation caused by the latitudinal fluctuation of the Antarctic Convergence.
  • 有明海と東京湾との環境要因の比較
    今田 克, 安藤 真, 斎藤 祐一, 前木 樹, 関 達哉
    1970 年 36 巻 9 号 p. 889-905
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    In a previous paper the relationship between culture conditions and growth and injury of the leafy fronds of Porphyra was discussed. The present paper once again deals with culture conditions for the growth of Porphyra, but in order to make clear the differences between field locations and its influence on culture conditions, the study location was changed from the Ariake Sea to Tokyo Bay.
    Observations and the measurements taken are almost same as those explained in the previous paper and these are as shown in Table 1 in the present paper. Tokyo Bay is located to the north of the Ariake Sea, about 250km, and culture in Tokyo Bay is generally begun about half a month earlier than in the Ariake Sea. But by checking the sea water temperature this difference is compensated. These results are shown in Fig. 3.
    Changes in culture condition factors are very unique for pH and DO2, of sea water from the end of October to November. The changes of pH and DO2 of the sea water can be recognized from Porphyra fronds a vital function in the field. The changes are because of the fluidity of sea water in Tokyo Bay which is less than that in the Ariake Sea. Lightness and light intensity in Tokyo Bay is less than half of that in the Ariake Sea however, lower culture net heights make up for the deficit and thereby the growth rate of Porphyra fronds in Tokyo Bay is similar to that in the Ariake Sea.
  • 笹川 康雄
    1970 年 36 巻 9 号 p. 906-913
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    On the West Kamchatka continental shelf, many female king crabs, Paralithodes camtschatica (TILESIUS), which were in the period of releasing prezoea larvae were caught even in areas over 15 miles away from the coast (Fig. 2).
    However, zoea larvae and juveniles less than 52.4mm in carapace width were scarcely caught in this area (Fig. 4).
    Conclusions of this study indicate that in the area over 15 miles away from the coast, south of about 57°30'N, female king crabs do not take part in the reproduction of the available stock and the effective intensity of their reproduction is none.
  • 総摂取量および総転換効率について
    吉田 陽一
    1970 年 36 巻 9 号 p. 914-916
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    Following the formulae obtained in the previous paper1), the formulae to determine the total uptake of food, the efficiency of food conversion, and the efficiency of total food conversion were introduced and an attempt to apply these to the breeding data of the amber fish Seriola quinqueradiata obtained by HARADA3) has been made.
    From the results of these attempts, it is ascertained that the formulae introduced are pretty well applicable to the data.
  • 係数β',βおよびγの値におよぼす水温の影響について
    吉田 陽一
    1970 年 36 巻 9 号 p. 917-920
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    1. The effects of temperature on the coefficients β', β, and γ were examined, by using the results obtained in the breeding experiments of the amber fish Seriola quinqueradiata and in field studies on the cod Gadus callarias.
    2. Of the temperature quotient (Q10) of the coefficients, those β', β, and γ of the amber fish (16-26°C) were 2.9, 2.9 and 3.3, respectively, and those of β and γ of the cod (4-14°C) were comparatively high, 5.3 and 8.2, respectively. The value of W1/3max (or β/γ) was indicated reversely to decrease with the increase of temperature in both fishes.
    3. The growth curves of the amber fish were estimated by using coefficients obtained and the effects of temperature and season on the growth were examined.
  • 白クサレ様病罹病組織の窒素代謝について
    渡辺 競, 加藤 盛
    1970 年 36 巻 9 号 p. 921-925
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    Nitrogen metabolism in Porphyra tenera fronds infected with “shirogusare” (like a white wasting disease) was studied. The results obtained are as follows:
    1) Infected tissue possessed altered nitrogen metabolism: the water-soluble nitrogen (principally non-protein nitrogen and ammonia) content increased, whereas the water-soluble protein content decreased.
    2) The concentration of free amino acids was decreased in the infected tissues. Marked decrease was noted in glutamic acid, alanine and cystine.
    3) Glutamic acid dehydrogenase (EC 1.4.1.2 L-Glutamate: NAD oxidoreductase) was present in Porphyra frond. The optimum pH was about 7.8 and the enzyme activity was found to be markedly reduced in the infected tissue. Excess amounts of ammonia found in the infected tissues could be explained on the basis of their having reduced activity of the enzymes such as glutamic acid dehydrogenase.
    4) The acumulation of ammonia in the infected tissue apparently suppressed the oxygen uptake in the mitochondrial fraction. It appears likely that cellular metabolic activity of the infected tissue is reduced.
    5) These results suggest that the disease process of “shirogusare” is accentuated further by the accumulation of excess amounts of ammonia produced in the tissue as a result of either increased catabolism of protein or reduced conversion of ammonia to amino acids, or both.
  • 板沢 靖男
    1970 年 36 巻 9 号 p. 926-931
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    1. Heart rate (beats/min.) determined from electrocardiogram recorded in conditions as near to natural as possible was 42-51 (the mean 46) in the rainbow trout, and 20-54 (the mean 32) in the eel.
    2. Cardiac output (ml/kg, min.) estimated by FICK's principle was 16.0 in the rainbow trout, 20.7 in the carp, 18.8 in the eel, and 36.6 in Oplegnathus.
    3. Mean total circulation time (min.) estimated from the cardiac output and the blood volume was 2.2 in the rainbow trout, 1.7 in the carp, 1.9 in the eel, and 1.0 in Oplegnathus.
    4. Tissues of fish are considered to receive much smaller amount of blood in a given time compared with mammals.
  • 冷凍ウニと塩辛ウニのカルボニルの比較
    三輪 勝利
    1970 年 36 巻 9 号 p. 932-939
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    Carbonyl compositions and contents of frozen sea urchin gonads of five species and salted Ezo-bafun uni, Strongylocentrotus intermedius, were examined.
    The results are as follows;
    1) Gas liquid chromatographic figures of carbonyls in frozen Ezo-bafun uni and those of salted Ezo-bafun uni were approximately the same, but their respective total monocarbonyl and oxo-acid contents were different.
    Frozen Ezo-bafun uni contained a larger amount of monocarbonyls and the salted ones contained a larger amount of oxo-acids.
    2) Acetaldehyde, propionaldehyde, acetone, iso-valeraldehyde or 3-methyl butylaidehyde, and small amounts of other monocarbonyls, were detected from either frozen or salted sea urchin gonads.
    In addition, pyruvic acid, acetoacetic acid, α-keto n-butyric acid, α-keto iso-valeric acid, α-keto iso-caproic acid and α-keto 3-methyl valeric acid were found in the gonads.
    3) The same monocarbonyls were identified from frozen Hokuyo-bafun uni, Strongyloeentrotus drøibachiensis, Bafun uni, Hemioentrotus pulcherrimus, Kitamurasaki uni, Strongylocentrotus nudus, and Murasaki uni, Anthocidaris orassispina.
    4) The formation speed of carbonyls in sea urchin gonads during freezing storage was different by species. Sea urchin gonads containing more than 30mg% as a total carbonyl, had a heavily pungent taste.
    Ezo-bafun uni, Hokuyo-bafun uni, Bafun uni, Kitamurasaki uni and Murasaki uni showed carbonyl formation speeds in the order given.
  • 鴻巣 章二, 陳 燕南, 渡辺 勝子
    1970 年 36 巻 9 号 p. 940-944
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    A new betaine, named atrinine was isolated from the adductor muscle of fan-mussel, Atrina pectinata japonica, and crystallized as its hydrochloride. From various analytical data, including the elementary composition, color reactions, proton resonance and infrared absorption spectra, atrinine hydrochloride was postulated to be trimethyl-(2-carboxy-3-hydroxypropyl)-ammonium chloride. The chloraurate and chloroplatinate of atrinine were also prepared from the hydrochloride.
  • ブルー・ミートの分光光学的検討
    猪上 徳雄, 元広 輝重
    1970 年 36 巻 9 号 p. 945-948
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    The reflectance spectra of blue meat and haemocyanin-sulphide complex showed maxima at 550-570mμ and 530-550mμ respectively. A decrease of the percentage-reflectance is related to an increase of blueing. A linear relationship was found between the colour intensity and the content of copper combined with sulphide.
  • 合成飼料による飼育
    金沢 昭夫, 島谷 周, 川崎 滿康, 柏田 研一
    1970 年 36 巻 9 号 p. 949-954
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    An attempt to prepare the complete artificial diet for prawn, Penaeus japonicus, has been carried out.
    The artificial diets consisting of purified soy-bean protein, glucose, sucrose, starch, glucosamine, chitin, cellulose powder, refined soy-bean oil, citric acid, succinic acid, amino acids, minerals, vitamins and cholesterol were eaten well by the prawn. In the prawn maintained on these artificial diets, no abnormal symptom appeared during the feeding period. Among the artificial diets used, test diet 4 exhibited the growth rate of 72% in comparison with the control as shown in Table 6.
    In view of these results, it is suggested that this artificial diet is sufficient for the feeding trials as to the nutritional requirements of prawn.
  • 構成脂質について
    山口 勝巳, 橋本 周九, 松浦 文雄
    1970 年 36 巻 9 号 p. 955-962
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    Lipid of biliverdin-lipoprotein in eel serum was fractionated into four fractions: Acetone-soluble, ether-soluble conjugated, ether-insoluble conjugated, and firmly combined lipid fractions. The acetone-soluble lipid fraction consisted of glycerides, free fatty acids, cholesterol esters, free cholesterol, with small amounts of alcohols and the other unsaponifiable matters. The main fatty acids in this fraction were 16:0 and 18:1 acids amounting to about 1/3 each of the total. Conjugated lipid fractions were composed of phosphatidylserine and a sort of phospholipid the nature of which remains to be clarified.
    The proportions of lipid fractions in the biliverdin-lipoprotein fluctuated considerably, while the composition of each fraction was relatively fixed and characteristic. Therefore, if the biliverdin-lipoprotein takes part in lipid transport in living eel, the mechanism might be different from that of the lipoprotein in higher animals.
  • 真仁田 英明, 小泉 千秋, 野中 順三九
    1970 年 36 巻 9 号 p. 963-971
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
    GLC determination of free amino acids in fish flesh was investigated and the changes of the free amino acids during the aseptic autolysis of the mackerel muscle was studied.
    By the autolysis Gly, Ala, Asp, Leu, and Glu were liberated faster and more, followed by Lys, Thr, Ileu, Phe, and Ser. Those Val, Pro, and Tyr were liberated slower and less. Free Hypro was, though its amount was a little, newly produced during the aseptic autolysis.
    The present study was supported in part by research funds granted from the Ministry of Education to which the authors wish to express their thanks.
  • 渡辺 武, 隆島 史夫, 荻野 珍吉, 日比 谷京
    1970 年 36 巻 9 号 p. 972-976
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
  • 内山 均, 江平 重男
    1970 年 36 巻 9 号 p. 977-992
    発行日: 1970/09/25
    公開日: 2008/02/29
    ジャーナル フリー
  • 1970 年 36 巻 9 号 p. e1
    発行日: 1970年
    公開日: 2008/04/22
    ジャーナル フリー
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