Date of this Version
Department of Dairy Husbandry (1930) Economic aspects of contagious abortion in a dairy herd (Research Bulletin: Bulletin of the Agricultural Experiment Station of Nebraska No. 46)
The object of this study is to present the measurable losses due to abortion in a dairy herd of high-producing ability over a period of approximately one-third of a century. The records available provide a rather complete history of what has taken place.