Table 9.
The association of prevalence rate of major reproductive problems with age of the animals.
| Type of disorder | <3 years (n = 52) | 3–5 years (n = 58) | 5–7 years (n = 128) | >7 years (n = 146) | Level of significance | ||||
|---|---|---|---|---|---|---|---|---|---|
| F | % | F | % | F | % | F | % | ||
| Dystocia | 6 | 11.54 | 4 | 6.90 | 0 | — | 5 | 3.42 | SS |
| Abortion | 0 | — | 2 | 3.45 | 2 | 1.56 | 12 | 8.22 | SS |
| Mastitis | 8 | 15.38 | 10 | 17.24 | 27 | 21.09 | 34 | 23.29 | SNS |
| Hypocalcemia | 0 | — | 0 | - | 0 | — | 5 | 3.42 | SS |
| RFM | 4 | 7.69 | 6 | 10.34 | 4 | 3.13 | 11 | 7.53 | SNS |
| RB | 11 | 21.15 | 11 | 18.97 | 29 | 22.66 | 17 | 11.64 | SNS |
| Anoestrus | 1 | 1.92 | 2 | 3.45 | 1 | 0.78 | 3 | 2.05 | SNS |
| Uterine and vaginal prolapse | 3 | 5.77 | 4 | 6.90 | 4 | 3.13 | 10 | 6.85 | SS |
| Uterine discharge | 0 | — | 0 | — | 1 | 0.78 | 3 | 2.05 | SNS |
| Stillbirth | 0 | — | 1 | 1.72 | 0 | — | 2 | 1.37 | SNS |
| Mixed disorder | 1 | 1.92 | 0 | 2 | 1.56 | 8 | 5.48 | SNS | |
|
| |||||||||
| Total | 34 | 65.38 | 40 | 68.96 | 70 | 54.68 | 110 | 75.34 | SS |
SNS = statistically not significant (p-value >0.05), SS = statistically significant (p-value <0.05), n = number of observations, and F = frequency of observation.