Table 4C.

The estimated cost for a complicated case of ischaemic teat necrosis (ITN) that lost the teat and/or developed mastitis.

Component	Breakdown	Cost	Source
Average costs for a case of mastitis	$453.17,$:£ 0.76	£344.41	(27–29)
Costs to be excluded*;   Vet fees and medicines;   Milk loss (withdrawal period);   Extra labour costs	£125£48.22; £30.52	–£203.74
Total cost for a complicated case of ITN	£720 + £342.45 – £203.74		£860.67

The calculations utilise the assumptions displayed in Table 4A. The source or reference used to devise these calculations is also indicated in the table. One reference the currency was in US dollars, and thus the exchange rate used to calculate the cost in pounds sterling is shown.

^*As included with the cost for a case of mastitis. $, US dollar; £, pounds sterling; $:£, US dollar to pounds sterling exchange rate.