摘要:

The blood plasma of 22 healthy, young, white leghorn cockerels was analysed by oxidative micromethods and found to contain the following mean lipid values, in milligrams per 100 ml. of plasma: total lipid 520, neutral fat 225, total fatty acids 361, total cholesterol 100, ester cholesterol 66, free cholesterol 34, phospholipid 155. In general, the amounts of the various lipids were proportionately related to the total lipid.

ISSN:1923-4287    

DOI:10.1139/cjr40d-003

出版商:NRC Research Press    

年代:1940

数据来源: NRC

摘要:

The glycogen and glucose contents of salmon eggs, detached embryos, yolk sacs, and livers have been estimated periodically from fertilization to the end of yolk absorption. Glycogen is absent at the beginning, appears midway between fertilization and hatching, and later increases steadily in concentration, reaching a maximum of 0.53 mg. per 130 mg. egg. Glycogen storage by the liver begins suddenly some time after hatching, before which the muscles serve as a storage place. No glycogen ever appears in the yolk. The initial quantity of glucose is 0.064 mg. per egg. The concentration increases with development, is interrupted at hatching, and then continues to rise, reaching a maximum value of 0.29 mg. per egg. The glucose is distributed throughout all parts of the system, and its fluctuations parallel those of the water content, leading to the suggestion that the glucose concentration per unit of water is constant throughout development.

ISSN:1923-4287    

DOI:10.1139/cjr40d-004

出版商:NRC Research Press    

年代:1940

数据来源: NRC

摘要:

Parasitism of two game fish,Salvelinus fontinalisandCristivomer naymaycushand of two other fish,Perca flavescensandCatostomus commersoniiis discussed.Glaridacris intermediussp. nov. (Cestoda),Rhabdochona laurentianasp. nov. (Nematoda) andRaphidascaris aliussp. nov. (Nematoda) are described.

ISSN:1923-4287    

DOI:10.1139/cjr40d-005

出版商:NRC Research Press    

年代:1940

数据来源: NRC