Figure 2.

Representative histopathological lesions in the mammary gland of genotype A and B SRLV strain infected sheep and goats at 9 months p.i. (A) Section from an uninfected sheep exhibiting structured acini and no lymphocyte infiltration. (B) Section from a sheep infected with a genotype A strain exhibiting a massive lymphocyte infiltration (asterisks) and a destruction of the acini structure (arrow). (C) Section from an uninfected goat exhibiting tissues with normal glandular structures and no lymphocytic infiltrate. (D) Section from a goat infected with a genotype B strain exhibiting lesions with massive lymphocyte infiltrations and an atrophy of the acini. Magnification ×20.