Table-2.
Effect of teat shape on milk SCC, milk DLC and in vitro activity of milk leukocytes in high yielding crossbred cows.
| Parameters | Teat shape | |||
|---|---|---|---|---|
| Pointed | Round | Flat | Cylindrical | |
| Milk SCC (×105 cells/ml) | 2.19±0.24 | 1.62±0.38 | 1.51±0.35 | 2.15±0.11 |
| Milk neutrophils (%) | 57.04±5.30 | 52.51±8.50 | 48.47±7.80 | 46.18±2.50 |
| Milk lymphocytes (%) | 35.41±5.10 | 43.74±8.10 | 48.06±7.50 | 48.06±2.39 |
| Milk macrophages (%) | 5.76±0.5 | 3.74±0.9 | 4.73±0.8 | 5.01±0.2 |
| Stimulation index lymphocytes | 1.02±0.71 | 0.94±0.11 | 1.07±0.10 | 0.89±0.03 |
| Phagocytic index neutrophils | 0.81a±0.11 | 0.77a±0.18 | 0.29b±0.16 | 0.81a±0.05 |
| Phagocytic index macrophages | 0.94a±0.14 | 0.63b±0.22 | 1.10b±0.21 | 0.53a±0.06 |
Values are expressed as mean±SE. Values lack a common letter within a row differed significantly (p<0.05). SCC=Somatic cell counts, DLC: Differential leukocyte counts, SE: Standard error