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Agglutinin, Complement, and Chemical Composition of the Colostrum of the Cow

Zootechnical Institute, Hokkaido Imperial University, Sapporo, Japan

ABSTRACT

INTRODUCTION

That the colostrum contains a large number of antibodies which are transmitted to new-born cattle and thus play a very important part in assuring the healthful growth of the latter is a well known fact, Bertarelli (1), Famulener (2), Zubrzycki und Wolfsgruber (3), Reymann (4) Little and Orcutt (5). The works of eminent scholars agree in the opinion that antibodies are most abundant in the colostrum obtained immediately after parturition and afterwards they speedily decrease and finally become extinct. What is interesting to state is that although the presence of any antibody in the blood of new-born calves immediately after parturition has never been proved, the colostrum, when first given them, is easily transmitted through the digestive organ without causing any abnormal phenomenon whatever. Consequently it may be asserted that the new-born calves, when fed with the colostrum, will be immune to a variety of organisms. The results of experiments by Smith (8) and others show that sucking calves not fed with the colostrum are easily infected by certain bacteria, particularly Bacterium coli, and are apt to die.