1. A strain of virus (University Farm strain) was adapted to propagation in the developing chick embryo by incubation of infected eggs containing 8 day embryos at 33.6°C. but not at 32.1°C., 35.0°C. or 38.2°C. 2. ...

1. It is clearly shown that the diet and general body condition of sheep markedly influenced their heat-regulating mechanism. 2. The maintenance of the body temperature of thin sheep in a cold environment was found to be ...

Attention is directed to the paucity of information regarding the morphological growth and development of muscle, particularly in connection with the microscopical elements comprising muscle. Such knowledge is of value, ...

1. It has been confirmed that the immunity in sheep following recovery from infection comprises a short period of premunition, followed by a period of gradually decreasing sterile immunity. 2. Infection during the period ...

1. The proteins of an improved yellow maize strain popular in South Africa and that of a heat-treated soybean meal, supplemented each other to a small extent. 2. There was no determinable difference in the digestion or ...