During 15 years investigation of the significance of immune bacteriologic reactions of streptococci, staphylococci, Micrococcus catarrhalis and colon bacilli isolated from persons suspected of having chronic infection, certain observations were made which resulted
Value of Timothy Hay as Sheep Feed in Response to the Soil Treatment
This project is in cooperation with the department of animal husbandry. The effects of soil treatment usually are measured in terms of increased yield of grain, of forage, or of both. Changes in
The Interrelation of Soils and Plant Animal and Human Nutrition
Our knowledge of many aspects of the interrelations between soils, plants, animals and human beings is limited, but some of the work that has been done in recent years gives us fascinating glimpses
There Is No Substitute for Soil Fertility
Crop growth depends on the usable stock of plant nutrients in the soil, or on that made available during the growing season. Crop rotations represent good soil management because they lessen the rate
Relationship Between Agglutinability and Certain In Vitro Tests of Staphylococci, Streptococci, and Colon Bacilli Isolated from Persons Suspected of Having Chronic Infection
Agglutination reactions have been used in attempts to appraise the significance of bacteria isolated from suspected foci of infection. In efforts to determine the reliability of these reactions it was reasoned that pathogenicity
Comparison of Intradermal Tests with Agglutinability and Certain In Vitro Tests of Streptococci, Staphylococci, Micrococcus Catarrhalis, and Colon Bacilli Isolated from Persons Suspected of Having Chronic Infection
Intradermal tests have been used widely, not only for the differentiation of “focal infection” bacteria, but also in the selection of bacteria for the preparation of autogenous vaccines. The literature is too voluminous
Further Studies of Male Sex Stimulating, Female Sex Repressive Fractions of the Adrenal Gland of Cows, Steers and Bulls
In a previous paper, we1 described a female sex-repressive, male stimulative factor prepared from adrenal glands. This work has been extended to a study of the differences of this fraction as obtained from
Crippling Diseases Cured by Good Food
It is possible to starve for minerals that are abundant in the foods eaten because they cannot be utilized without an adequate quantity of the fat-soluble activators. This is illustrated in the following