Table 12.

Loss of profit on a farm with 500 head of cattle.

500-Head Cattle Farm
Annual loss of profit:
Number of test-positive animals	0	1	2	3	5	10	15	20	25	90
Mean final balance by slaughtered animal		−270.32	−540.64	−810.96	−1351.60	−2703.20	−4054.79	−5406.40	−6758.00	−24,328.80
Reduction in sales revenue		−1135.07	−2051.27	−2509.37	−4560.64	−9121.28	−13,223.82	−17,784.46	−22,126.23	−79,363.28
Incremental cost of rearing replacement calf		503.06	1006.12	1509.18	2515.30	5030.60	7545.90	10,061.20	12,576.50	45,275.40
Annual loss of profit:		−1908.45	−3598.03	−4829.51	−8427.54	−16,855.08	−24,824.51	−33,252.05	−41,460.72	−148,967.44
Overall loss of profit over two and a half years:
Number of test-positive animals	0	1	2	3	5	10	15	20	25	90
Mean final balance by slaughtered animal		−270.3	−540.6	−811.0	−1351.6	−2703.2	−4054.8	−5406.40	−6758.00	−24,328.80
Reduction in sales revenue		−2837.67	−5128.17	−6273.42	−11,401.60	−22,803.20	−33,059.55	−44,461.15	−55,315.58	−198,408.20
Incremental cost of rearing replacement calf		1257.65	2515.30	3772.95	6288.25	12,576.50	18,864.75	25,153.00	31,441.25	113,188.50
Overall loss of profit over two and a half years:		−4365.64	−8184.11	−10,857.33	−19,041.45	−38,082.90	−55,979.09	−75,020.54	−93,514.81	−335,925.46