Table 7.
Country | Age at first mating male (wk) | Age at first mating female (wk) | Age at first laying (wk) | Number of eggs set | Fertility (%) | Hatchability (%) | Survival (%) | Reproductive life span male (yr) | Reproductive life span female (yr) | Reference |
---|---|---|---|---|---|---|---|---|---|---|
Ethiopia | - | - | 23.7–32.8 | - | 56 | 39 | - | - | - | Shanawany and Banerjee 1991 |
- | - | 23.7–32.8 | - | 53-60 | 9.0–44.4 | - | - | - | Mebratu 1997 | |
24.25 | 23.84 | 26.11 | 11.7 | - | 86 | 45 | - | - | Hailu et al. 2013 | |
21.76 | 20.88 | - | 11.8–14.74 | - | 78.62–84.74 | - | 3.79 | 3.56 | Zewdu et al. 2013 | |
- | - | 26 | 12 | - | 83.7 | 52.30 | - | - | Nebiyu et al., 2013 | |
Kenya | 24–40 | 25–40 | - | - | - | 70.16–80.61 | 9.73–13.43 | - | - | Olwande et al. 2010 |
23.71–32.0 | - | - | - | - | - | - | - | Ndegwa and Kimani 1996; Siamba et al. 2000 | ||
- | - | - | - | 61.8 | 74.2–84.0 | - | - | - | Kingori, 2004; Njenga 2005 | |
Rwanda | 24 | - | 28 | - | - | - | - | - | - | Mbuza et al. 2016 |
- | 25.2 | 27.4 | 10.3 | - | 81.5 | 58.30 | - | - | Mahoro et al. 2017 | |
23–36 | 23.5–36.3 | 24.6–30.4 | 6.6–14.7 | 52.53–85.3 | Hirwa et al. 2019 | |||||
Uganda | - | 20–28 | - | - | - | 40–100 | - | - | - | Kyarishma et al. 2004 |
- | - | 29.2 | - | - | 87.1 | 6.3 (chicks) | - | - | Ssewannyana et al. 2008a | |
- | - | - | - | - | 66.7–90.2 | 75–99 | - | - | Ssewannyana et al. 2008b | |
Tanzania | - | - | 24–40 | - | - | 83.6 | 59.7 | - | - | Mwalusanya et al. 2002 |
Zimbabwe | - | - | 26–30 | 8.0–14.0 | - | - | - | - | - | Kusina and Kusina 1999; Pedersen, 2002 |
- | - | - | - | - | 20–70 | 20–70 | - | - | Pedersen 2002; Muchadeyi et al. 2004 |