For all those wondering about the Killerton Estate TB breakdown in closed herd; its well worth reading this... Across the herd the test has an estimated mean herd-level sensitivity of 49% (95% credible interval 27-74%). What this means is that a significant proportion of herds may be hiding at least one animal that has TB, even though the herd tests negative. The precise proportion is difficult to estimate, but modeling studies show that up to 21% of herds may still harbour an infectious animal after having been cleared from movement restrictions....
Posted on: Thu, 02 Oct 2014 21:26:31 +0000