Table 3.

Technical inputs by production systems

	Production system
Input variable	Conventional	Volwaard	Better Life 1*/ Puur & Eerlijk	Better Life 2*	Better Life 3*/Skal	Organic
Full-time labor equivalent	1	1	1	1	1	1
No. of birds	90,0001	66,9462	58,5802	52,0732	25,0003	25,0003
Vacancy3 (d)	10	10	10	10	10	10
Flocks per year4 (no.)	7.16	5.5	5.5	5.5	4	4.6
Average daily weight gain5 (g)	54	41	41	38	35	37
Weight at delivery (g)	2,2506	2,3002	2,3002	2,1002	2,8003	2,6003
Feed conversion rate (g/g)	1.752	2.092	2.092	2.152	2.753	2.633
Mortality (%)	4.06	1.56	1.56	1.56	3.03	2.83

¹KWIN-V, 2011.

²Ellen et al. (2012).

³Vermeij and Van Horne (2008).

⁴365/(vacancy + length production period).

⁵Weight at delivery/length production period.

⁶Van Horne et al. (2003).