II. The author, who has previously written on the association of this trema-tode with salmon poisoning in dogs [see this Bull. 1. 153.] describes, in this paper, his observations on the pathogenicity of the metacercariae for various species of trout. A high rate of mortality was observed in some ...

THE National Zootechnical Institute at Bukarest has issued its 3rd annual report, which has been prepared by the Director, Prof. G. K. Constantinescu, who is also the Head of the Section of Biology. During the year under review, sections for Hygiene and Physiology of Nutrition have been...

A BRIEF survey of fish culture in ponds in China, Japan, Europe and America, illustrates the importance of the industry, from the financial and health point of view, especially in countries with transport difficulties. " Fresh fish is as profitable a crop to raise as any other." Three ponds near...

MORE than one-third of the fresh-water fish in Germany are produced in Silesia, using intensive breeding methods; mainly trout, carp, and pike, also grayling, bream, tench, crayfish, etc.

229. ACKERT, J. E., PRATT, I., and FREEMAN, A. E. (Jr.). Resistant and susceptible groups of White Leghorn chickens to the nematode Ascaridia lineata (Schneider). 111. AGERSBORG, H. P. K. Science in fish culture. I. With special reference to its needs. 48. ALLEN, E., SMITH, G. M., and GARDNER, W....

APART from a few papers dealing with vegetable fats, the number consists of articles of animal breeding interest, as follows: BRUNELLI, G. 1937. I prodotti della pesca. [The products of pisciculture]: 1011-1015. 6 figs. CAMPUS, A. I bovini della Sicilia e della Sardegna. [The cattle of Sicily and...

In the stocking of fish ponds the natural foods are best utilised when small and moderate sized carp are chosen. There is no advantage in feeding soya beans and lupins rather than barley, although the latter contains only about 10 per cent. protein. A mixture of soya beans or lupins with steamed...

In the stocking of fish ponds the natural foods are best utilised when small and moderate sized carp are chosen. There is no advantage in feeding soya beans and lupins rather than barley, although the latter contains only about 10 per cent. protein. A mixture of soya beans or lupins with steamed...

V. Observing that certain fish devour free-swimming liver flukes and that others consume certain snails, C. considers that the introduction of the fish might be a valuable measure of control. It is pointed out, however, that infection is commonest under conditions which would be quite unsuitable...