Table 4.

Mortality of SSD and LSD over four flocks.

Stocking density	SSD1	LSD2	P value
Week 1	0.014 ± 0.001	0.014 ± 0.001	0.765
Week 2	0.006 ± 0.001	0.007 ± 0.000	0.828
Week 3	0.017 ± 0.010	0.009 ± 0.002	0.477
Week 4	0.021 ± 0.012	0.012 ± 0.004	0.531
Week 5	0.012 ± 0.003	0.011 ± 0.002	0.862
Week 6	0.010 ± 0.001	0.011 ± 0.002	0.725

Values reported weekly as (mortality)/(number of birds) averaged by stocking density ± SEM by week.

Abbreviations: LSD, low stocking density; SEM, standard error of mean; SSD, standard stocking density.

¹SSD density = 0.23 m² per bird.

²LSD density = 0.27 m² per bird.