Sexing day-old Chicks. A Creatise on sex Detection in Pure-and Cross Bred Chicks. With 16 pages of photos and marny drawings. W. P. Blount, Published by Poultry World Ltd. Dorset House, Stamford street, London, S. E. 1, 1934.

This booklet describes how sexing of chicks at birth can be applied by the ordinary poultry man. There seems no adequare reason why the method should not be taught in Agricultural and Poultry Colleges, for unquestionably the subject is one of great practical importance, and one which has come to stay. Similarly, with suitable coaching and experience, it should not be long before English experts are capable of being attached to hatcheries.

The Vitamin A Content of certain Food Products. Prof. K. Waltner, Zeitschrift für Vitaminforschung, Vol. 3, 1934, p. 245.

A tabular collection of some lood products according to their vitamin A content. Unities per gram.)

The diagnostic value of the rapid test with stained antigens vs. the tube agglutination test for pullorum disease. W. A. Higgins and C. H. Schroeder, Poultry Science, 12, 1933, No. 5, p. 323.

In this abstract of an article presented at the annual meeting of the Poultry Science Association in August 1933 it is reported that “a very close but not quite complete agreement was attained between the results from the tube agglutination test as compared with the rapid, whole-blood test when using stained antigens supplied by the U. S. Department of Agriculture, the Michigan State College, and two oommercial laboratories manufacturing the antigen under patent permit from the Bureau of Animal Industry. A third commercial antigen gave unsatisfactory results.

Swiss Poultry Breeders Annual 1935. Schweizerisches Jahrbuch für Geflügelzucht, Kaninchenzucht, Taubenzucht, Vogelschutz und Vogelliebhaberei, 1935 Editor: Tierwelt-Verlag, Lofingen.

Of its contents we make mention of:

Accompanying phenomena with breeding for high production. Difficulties for poultry judges.