U.S. Bureau of Animal Industry, Bulletin No. 1. Discovery of the parasite of Texas cattle fever, Pyrosoma bigeminum, and proof that its transmission is due to the cattle tick, Boöphilus bovis. This was the first demon…
U.S. Bureau of Animal Industry, Bulletin No. 1. Discovery of the parasite of Texas cattle fever, Pyrosoma bigeminum, and proof that its transmission is due to the cattle tick, Boöphilus bovis. This was the first demon…