Table 5.
Associated risk factors with reproductive health problems of dairy cattle.
Factors | Variables | Total no. of cows examined | Total no. of cows affected | Percent | χ2 | p value |
---|---|---|---|---|---|---|
Breed | Local | 262 | 178 | 67.93 | 1.184 | 0.277 |
Cross | 122 | 76 | 62.29 | |||
| ||||||
Parity | Primiparous | 114 | 81 | 71.05 | 1.743 | 0.187 |
Pluriparous | 270 | 173 | 64.07 | |||
| ||||||
BCS | Poor | 61 | 42 | 68.85 | ||
Medium | 260 | 171 | 65.76 | 32.91 | 0.000 | |
Good | 63 | 41 | 65.07 | |||
| ||||||
Age of animal | <3 years | 52 | 34 | 65.38 | ||
3–5 years | 58 | 40 | 68.98 | 13.23 | 0.004 | |
5–7 years | 128 | 70 | 54.68 | |||
>7 years | 146 | 110 | 75.34 | |||
| ||||||
Production system | Intensive | 96 | 62 | 64.58 | ||
Semi-intensive | 210 | 121 | 57.61 | 28.484 | 0.000 | |
Extensive | 78 | 71 | 91.02 | |||
| ||||||
Hygiene | Poor | 179 | 125 | 69.83 | ||
Medium | 171 | 111 | 64.91 | 3.850 | 0.146 | |
Good | 34 | 18 | 52.94 | |||
| ||||||
Mating system | AI | 158 | 100 | 63.29 | ||
NS | 99 | 80 | 80.8 | 13.599 | 0.001 | |
Both | 127 | 74 | 58.26 |