Table 10.

Relative effect of various diseases on production costs per delivered broiler in case of changes in feed price, feed conversion ratio, and price of 1-d-old chicks

	Production system
Disease	Change in variable	Conventional	Volwaard	Better Life 1*/Puur & Eerlijk	Better Life 2*	Better Life 3*/Skal	Organic
	Feed price (%)
Baseline situation	−5	0.00	0.00	0.00	0.00	0.00	0.00
	0	0.00	0.00	0.00	0.00	0.00	0.00
	5	0.00	0.00	0.00	0.00	0.00	0.00
Coccidiosis	−5	1.23	1.71	1.72	1.42	4.06	4.42
	0	1.24	1.70	1.70	1.45	4.03	4.37
	5	1.30	1.69	1.73	1.42	3.95	4.33
Escherichia coli	−5	6.86	2.91	2.78	3.23	3.51	4.36
	0	6.86	2.90	2.81	3.25	3.56	4.37
	5	6.92	2.90	2.78	3.21	3.57	4.39
NE1	−5	3.50	3.43	3.28	3.27	2.47	2.69
	0	3.39	3.33	3.22	3.18	2.42	2.61
	5	3.39	3.27	3.14	3.09	2.35	2.55
	Feed conversion ratio
Baseline situation	−0.1	0.00	0.00	0.00	0.00	0.00	0.00
	0	0.00	0.00	0.00	0.00	0.00	0.00
	+0.1	0.00	0.00	0.00	0.00	0.00	0.00
Coccidiosis	−0.1	1.34	1.75	1.71	1.45	4.12	4.49
	0	1.24	1.70	1.70	1.45	4.03	4.37
	+0.1	1.20	1.66	1.62	1.38	3.95	4.31
E. coli	−0.1	7.17	2.98	2.85	3.33	3.61	4.49
	0	6.88	2.90	2.81	3.25	3.56	4.37
	+0.1	6.60	2.79	2.71	3.13	3.47	4.29
NE	−0.1	3.51	3.42	3.27	3.26	2.47	2.69
	0	3.39	3.33	3.22	3.18	2.42	2.61
	+0.1	3.28	3.24	3.14	3.10	2.37	2.57
	Price of 1-d-old chicks (%)
Baseline situation	−5	0.00	0.00	0.00	0.00	0.00	0.00
	0	0.00	0.00	0.00	0.00	0.00	0.00
	5	0.00	0.00	0.00	0.00	0.00	0.00
Coccidiosis	−5	1.25	1.71	1.68	1.42	4.05	4.38
	0	1.24	1.70	1.70	1.45	4.03	4.37
	5	1.23	1.69	1.66	1.41	4.02	4.35
E. coli	−5	6.88	2.92	2.83	3.27	3.55	4.37
	0	6.88	2.90	2.81	3.25	3.56	4.37
	5	6.78	2.88	2.76	3.19	3.53	4.35
NE	−5	3.42	3.35	3.24	3.19	2.41	2.60
	0	3.39	3.33	3.22	3.18	2.42	2.61
	5	3.36	3.31	3.20	3.15	2.41	2.60

¹NE = necrotic enteritis.