Predictors of death and production performance of layer chickens in opened and sealed pens in a tropical savannah environment

Table 2 Comparison of the effect of season on mortality, egg production and feed consumption

	Mortality in percentages ± SD			Egg production percentages ± SD			Total feed/layer/day ± SD (g)			Total feed/egg laid ± SD (g)
	Open houses	Sealed houses		Open houses	Sealed houses		Open houses	Sealed houses		Open houses	Sealed houses
Cold dry season	0.14 ± 0.25	0.09 ± 0.11	**	65.27 ± 11.27	65.48 ± 18.96	NS	114.57 ± 2.86	117.10 ± 17.12	*	182.32 ± 41.32	226.0 ± 208.96	**
Hot dry season	0.35 ± 0.31	0.08 ± 0.11	**	50.16 ± 8.78	71.49 ± 7.01	**	120.14 ± 5.21	117.18 ± 3.52	**	248.84 ± 57.71	165.47 ± 16.71	**
Warm wet season	0.09 ± 0.08	0.06 ± 0.06	**	65.08 ± 8.54	70.30 ± 9.02	**	115.91 ± 1.76	116.39 ± 2.24	**	181.73 ± 28.37	168.63 ± 24.65	**
Cold dry season (O + S)	0.12 ± 0.21		**	65.35 ± 16.63		**	115.52 ± 10.79		**	198.80 ± 133.71		**
Hot dry season (O + S)	0.25 ± 0.29			58.16 ± 13.17			119.03 ± 4.86			217.57 ± 61.77
Warm wet season (O + S)	0.08 ± 0.07			67.04 ± 9.08			116.09 ± 1.97			176.82 ± 27.76

ISSN: 1746-6148