Table 1.

Effect of eggshell temperature (EST) during late incubation [≥E17–E19.5; 37.8°C (control) or 36.7°C (lower)] and/or feeding strategy after hatch [immediate access to feed and water (early) or 51–54-h deprivation (delayed)] on mortality of broilers during 2 weeks following necrotic enteritis induced at d 21 post hatch (LSmeans ± SEM).

	N a	Died (%)	Culled (%)	Total mortalityb (%)
EST
Control	16	9.9	4.9	14.8
Lower	16	15.0	3.1	18.1
SEM		2.75	1.76	3.12
Feeding strategy
Early	16	10.6	2.6	13.1
Delayed	16	14.3	5.4	19.7
SEM		2.75	1.76	3.12
EST × Feeding strategy
Control × Early	8	7.9	2.5	10.4
Control × Delayed	8	11.9	7.3	19.2
Lower × Early	8	13.3	2.6	15.9
Lower × Delayed	8	16.7	3.5	20.2
SEM		3.89	2.49	4.38
P -values
EST		0.56	0.48	0.68
Feeding strategy		0.11	0.39	0.06
EST × Feeding strategy		0.28	0.47	0.46

^aNumber of pens.

^bTotal mortality = died + culled.