Table 6. Production effects of SCM among the different breeds of cows in Chattogram and Cox’s Bazar district of Bangladesh.
|
Variables |
Breed type |
Normal cow (A) |
SCM positive cows (B) |
Loss due to SCM (C= A-B) |
Production loss/Lactation (TK) |
|
No. of lactating cow studied |
|
418 |
418 |
|
|
|
(D) Average lactation period (Days; Mean ± SD)
(E) Average milk production/ Day (Liter)
(F=D×E) Overall production per lactation (Liter) |
Crossbred |
236.7 ± 11.7 |
228.9 ± 13.9 |
7.8 |
|
|
Holstein Friesian |
301.9 ± 9.1 |
296.1 ± 7.1 |
5.8 |
|
|
|
Indigenous |
209.3 ± 15.0 |
205.8 ± 9.3 |
3.5 |
|
|
|
Crossbred |
9.2 ± 1.5 |
7.3 ± 1.3 |
1.9 |
|
|
|
Holstein Friesian |
22.5 ± 2.8 |
18.3 ± 3.6 |
4.2 |
|
|
|
Indigenous |
2.6 ± 0.7 |
2.3 ± 0.7 |
0.3 |
|
|
|
Crossbred |
2177.6 |
1670.9 |
506.7 |
44893.6 ($ 382.17) |
|
|
Holstein Friesian |
6792.8 |
5418.6 |
1374.2 |
121754.1 ($ 1036.46) |
|
|
Indigenous |
544.2 |
473.3 |
70.9 |
6281.7 ($ 53.47) |
SD: Standard deviation; Conversion rate: 1 TK = 0.00851 USD (Conversion based on 24 August 2024)
Production loss/Lactation (TK) = Loss of Production/Lactation × Unit price (Avg.) of Milk (88.6 TK)