Study on Productive Performances, Constraints, and Opportunities of Improved Chicken under Village Production System in West Shewa Zone, Ethiopia

Table 2

Reproductive and productive performances of exotic chicken.

Variables	Agro-ecology		Overall	value
	ML (N = 103)	LL (N = 36)
	Mean ± SE	Mean ± SE	Mean ± SE
Egg production per year (BB)	190.80 ± 1.385	187.67 ± 1.403	189.34 ± 0.993	0.116
Pullets age at start egg laying (BB) (days)	165.07 ± 0.524	163.39 ± 0.624	164.29 ± 0.409	0.04
Cockerel age at start to mating (BB) (days)	161.60 ± 0.777	157.59 ± 2.545	159.73 ± 1.262	0.113
Egg production per year (Sasso)	181.16 ± 1.154	180.43 ± 1.430	180.82 ± 0.904	0.688
Pullets age at start egg laying (Sasso) (days)	173.79 ± 1.144	173.52 ± 1.211	173.66 ± 0.829	0.876
Cockerels age at start to mating (Sasso) (days)	154.00 ± 0.767	150.59 ± 2.411	152.41 ± 1.199	0.157
Number of egg incubated	7.21 ± 0.086	7.10 ± 0.190	7.16 ± 0.068	0.4
Number of egg hatched	4.64 ± 0.074	4.59 ± 0.079	4.62 ± 0.0536	0.626
Hatchability rate	64.56%	64.25%	64.53%

ML: mid-land; LL: low-land; N: number of respondents; SE, standard error.