Table 2. Number (N) of examined Sarda breed sheep, with or without clinical signs, displaying PrP^Sc in the kidney, indicated as percentage (%).

Clinically affected sheep
Number of examined sheep	Number of positive sheep for conventional Western blotting PrPSc in the kidney (%)*	Infection
72	52 (71.2%)	Natural
Number of clinically healthy sheep
11	3 (27%)	Natural

The results are only referred to conventional Western blot examinations.