Poultry Farming in the Four-Year-Plan. Geflügelhaltung im Vierjahresplan. Schneider. Deutsche Landwirtschaftliche Geflügelzeitung, Vol. 40, 1937, p.385.

The number of eggs imported last year was 1,2 milliards. The supply for home consumption can only be obtained by increasing the production of hens on the farms and not by increasing the number of hens. In the first place a better ratio of young hens to old will have to be obtained. The present ratio 1:2 is to be reduced to 1:1.

A avitaminosis and coryza in domestic Fowls. Differinzierung einer A-Avitaminose vom ansteckenden Schnupfen des Hausgeflügels. St. Angeloff and L. Grebenaroff, Sofia. Annual Report veterinary Faculty University Sofia, 1935, p. 333.

The writers investigated cases of infectious catarrh in fowls (infectious Laryngotracheitis). They discovered it to be an A avitaminosis caused by lack of green fodder. It causes retardation of growth, loss of appetite, changes in the eyes, catarrh of the upper air-channels, where yellow cheese-like centres form, about the size of a poppy seed. It also causes nervous disorders and an increase of uric-acid in the blood and is further characterised by the hornifying of the epitels of the pituitary membranes and glands. Plenty of green fodder or dosing with liver-oil are recommended.

New opinions regarding Paullorum Disease. Nouveaux points de vue sur la pathogenie, le traitement et La prophylaxie de la septicémie des volailes dae à la Salmonella pullorum. Dr. J. Ch. Sparaparri. La Revue Avicole, 1937, p.453.

The pullorum bacil in itself does not cause the disease. It is only when the chickens are in a weakened state that the disease appears and then the bacilli are able to increase considerably. The writer considers lack of certain vitamins (A., B, C) to be the cause of weakness. This lack of. vitamins need not be present to such an extent as to cause avitaminosis, but only to such a degree as will cause a decrease of the powers of resistance in the body to the increase of the pullorum bacilli. The writer cured several chickens suffering from pullorum by a method of his own. In experiments carried out according to Harde's method a smaller quantity of vitamin C was found in the livers of sick chickens than in those of healthy ones. The quantity of vitamin A. was also smaller. Cure was affected by subcutaneous injections of Vit. A, B, and C.