Table 3 Performance traits and characteristics of goats in rural areas of the Nile Delta in Egypt
From: Assessment of the traditional goat production systems in rural areas of the Nile Delta in Egypt
Variables | Level/Range | Villages | Mean ± SE | % | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shanway | Kafr El Hema | Sakyet Abu Sha’ra | Samalay | Kafr El Pharaonia | |||||||||
No.* | % | No.* | % | No.* | % | No.* | % | No.* | % | ||||
Average flock size | 1–3 head | 13 | 65 | 12 | 60 | 14 | 70 | 11 | 55 | 12 | 60 | 12.40 ± 0.509 | 62 |
> 3 head | 7 | 35 | 8 | 40 | 6 | 30 | 9 | 45 | 8 | 40 | 7.60 ± 0.509 | 38 | |
Flock structure | Male | 7 | 35 | 5 | 25 | 6 | 30 | 4 | 20 | 6 | 30 | 5.60 ± 0.509 | 28 |
Female | 13 | 65 | 15 | 75 | 14 | 70 | 16 | 80 | 14 | 70 | 14.40 ± 0.509 | 72 | |
Age at first estrus | < 6 months | 3 | 15 | 4 | 20 | 2 | 10 | 1 | 5 | 0 | 0 | 2.00 ± 0.707 | 10 |
6–12 months | 14 | 70 | 15 | 75 | 14 | 70 | 15 | 75 | 16 | 80 | 14.80 ± 0.374 | 74 | |
> 1 year | 3 | 15 | 1 | 5 | 4 | 20 | 4 | 20 | 4 | 20 | 3.20 ± 0.583 | 16 | |
Average kidding interval | 8–12 months | 14 | 70 | 18 | 90 | 16 | 80 | 19 | 95 | 19 | 95 | 17.20 ± 0.969 | 86 |
>  1 year | 6 | 30 | 2 | 10 | 4 | 20 | 1 | 5 | 1 | 5 | 2.80 ± 0.969 | 14 | |
Age at first mating of females | <  1 year | 12 | 60 | 11 | 55 | 13 | 65 | 16 | 80 | 12 | 60 | 12.80 ± 0.860 | 64 |
>  1 year | 8 | 40 | 9 | 45 | 7 | 35 | 4 | 20 | 8 | 40 | 7.20 ± 0.860 | 36 | |
Type of birth | Single | 2 | 10 | 3 | 15 | 3 | 15 | 2 | 10 | 4 | 20 | 2.80 ± 0.374 | 14 |
Twin | 10 | 50 | 13 | 65 | 16 | 80 | 12 | 60 | 11 | 55 | 12.40 ± 1.029 | 62 | |
Triplet | 6 | 30 | 2 | 10 | 1 | 5 | 4 | 20 | 4 | 20 | 3.40 ± 0.871 | 17 | |
Quartets | 2 | 10 | 2 | 10 | 0 | 0 | 1 | 5 | 1 | 5 | 1.20 ± 0.374 | 6 | |
Frequency of reproduction per year | Not sure | 5 | 25 | 4 | 20 | 3 | 15 | 5 | 25 | 5 | 25 | 4.40 ± 0.400 | 22 |
Once | 12 | 60 | 12 | 60 | 14 | 70 | 11 | 55 | 10 | 50 | 11.80 ± 0.663 | 59 | |
Twice | 3 | 25 | 4 | 20 | 3 | 15 | 4 | 20 | 5 | 25 | 3.80 ± 0.374 | 19 | |
Type of birth preferred | Single | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 1 | 5 | 0.40 ± 0.244 | 2 |
Twin | 14 | 70 | 15 | 75 | 17 | 85 | 15 | 75 | 14 | 70 | 15.00 ± 0.547 | 75 | |
Triplet | 4 | 20 | 4 | 20 | 3 | 15 | 4 | 20 | 5 | 25 | 4.00 ± 0.316 | 20 | |
Quartets | 2 | 10 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.60 ± 0.400 | 3 | |
Survival rates | Single | 13 | 65 | 14 | 70 | 16 | 80 | 13 | 65 | 15 | 75 | 14.20 ± 0.583 | 72 |
Twin | 6 | 30 | 6 | 30 | 4 | 20 | 5 | 25 | 5 | 25 | 5.20 ± 0.374 | 26 | |
Triplet | 1 | 5 | 0 | 0 | 0 | 0 | 2 | 10 | 0 | 0 | .60 ± 0.400 | 2 | |
Quartets | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .00 ± 0.000 | 0 | |
Mortality rates | At birth | 11 | 55 | 17 | 85 | 12 | 60 | 13 | 65 | 12 | 60 | 13.00 ± 1.048 | 65 |
< 6 months | 6 | 30 | 3 | 15 | 4 | 20 | 6 | 30 | 5 | 25 | 4.80 ± 0.583 | 24 | |
6–12 months | 3 | 15 | 0 | 0 | 4 | 20 | 1 | 5 | 3 | 15 | 2.20 ± 0.734 | 11 | |