Table 5. Comparative assessment of reproductive parameters between apparently healthy (AH) and SCM-positive cows across different breeds.
Reproductive parameters |
Breeds of cow |
AH cow |
SCM (+ve) cow |
t-score |
P-value |
||
|
|
Mean |
SEM |
Mean |
SEM |
|
|
Calving Interval (Day) |
Crossbred |
398.8 |
2.3 |
414.5 |
3.89 |
3.47 |
0.003 |
Holstein Friesian |
388.8 |
2.30 |
418.2 |
3.69 |
6.74 |
<0.001 |
|
Indigenous |
371.6 |
4.38 |
383.7 |
6.95 |
1.47 |
0.16 |
|
Days Open (Day) |
Crossbred |
117.7 |
1.41 |
128.1 |
3.01 |
3.13 |
0.006 |
Holstein Friesian |
108.2 |
1.26 |
120.4 |
3.44 |
3.33 |
0.004 |
|
Indigenous |
95.1 |
2.36 |
101.6 |
3.37 |
1.57 |
0.13 |
|
Service Per Conception |
Crossbred |
2.10 |
0.23 |
2.50 |
0.31 |
1.04 |
0.31 |
Holstein Friesian |
2.30 |
0.21 |
2.50 |
0.27 |
0.58 |
0.57 |
|
Indigenous |
1.90 |
0.18 |
2.20 |
0.20 |
1.12 |
0.28 |
|
Conception Rate (%) |
Crossbred |
58.0 |
4.16 |
51.0 |
2.76 |
1.40 |
0.18 |
Holstein Friesian |
65.0 |
2.68 |
56.0 |
3.06 |
2.12 |
0.04 |
|
Indigenous |
72.0 |
4.16 |
64.0 |
4.0 |
1.38 |
0.18 |
SEM: Standard Error of Mean