Table 4B.

The estimated cost for an uncomplicated case of ischaemic teat necrosis (ITN) that recovers.

Component	Breakdown	Cost	Source
Milk loss from ¼ for 300 days	£0.28 x 6.15 x 300	£516.60	Dataset (25)
Vet visit & medicines	£80 + £45	£125
Milk loss for 7 day withdrawal period	£0.28 x 24.6 x 7	£48.22	Dataset (25)
Extra labour costs for a case of ITN*	£8.72/h x 0.5 x 7	£30.52	(24, 26)
Total costs for an uncomplicated ITN case that recovered			£720.34

The calculations utilise the assumptions displayed in Table 4A. The source or reference used to devise these calculations is also indicated in the table.

^*Extra labour costs calculated by assuming and a case requires an extra 30 min a day for 7 days. h, hour.