A Study of the effects of age and size on the development of resistance to whirling disease in Erwin strain rainbow trout by E.K.N. Ryce, A.V. Zale, E. MaConnell and M. Nelson.
This study was conducted to determine the effects of whirling disease on various sizes and age of rainbow trout. The study also used controlled temperature to determine the results. Trout where found to be more resistant when they reached a larger size.