Runt disease is -

The graft mounts an immune response against the antigens of the host is called graft-versus-host reaction. The main clinical features of the GVH reaction in animals are retardation of growth, emaciation, diarrhea, hepatosplenomegaly, lymphoid atrophy, and anemia. - terminates fatally. This syndrome is called runt disease. Reference:athanarayan & paniker's 9th edition, pg no: 186 <\p>