Open Access
Table 1.
Platelet characteristics of black-motley calves of dairy nutrition
| Registrated parameters | Age of black-motley calves, n=41, M±m | ||||
|---|---|---|---|---|---|
| 11 day | 15 day | 20 day | 25 day | 30 day | |
| The number of ATP in platelets before secretion, nmol /109 platelets | 5.48±0.010 | 5.55±0.016 | 5.63±0.018 | 5.75±0.015 | 5.96±0.012 p<0.05 |
| The number of ADP in platelets before secretion, nmol /109 platelets | 3.27±0.009 | 3.37±0.011 | 3.45±0.007 | 3.52±0.012 | 3.61±0.009 p<0.05 |
| The severity of secretion ATP, % | 30.3±0.10 | 31.0±0.13 | 31.6±0.06 | 32.8±0.10 | 33.9±0.14 p<0.05 |
| The severity of ADP secretion, % | 40.4±0.10 | 41.0±0.12 | 42.1±0.15 | 43.0±0.17 | 44.8±0.13 p<0.05 |
| AP recovery level when conducting collagen-aspirin test, % | 79.2±0.08 | 80.1±0.10 | 80.8±0.08 | 82.1±0.11 | 86.6±0.14 p<0.05 |
| AP recovery level when conducting collagen-imidazole test, % | 41.0±0.09 | 41.8±0.14 | 42.6±0.12 | 43.1±0.09 | 44.8±0.16 p<0.05 |
| AP level in a simple transfer sample, % | 30.3±0.08 | 30.9±0.05 | 31.7±0.06 | 32.6±0.08 | 33.2±0.07 p<0.05 |
| The amount of actin in inactive platelets, % of the total protein in platelets | 27.8±0.10 | 28.1±0.07 | 28.8±0.05 | 29.4±0.10 | 30.5±0.14 p<0.05 |
| The amount of actin in platelets with ADP-aggregation, % of total protein in platelets | 38.6±0.15 | 39.0±0.17 | 39.8±0.13 | 41.6±0.15 | 42.9±0.13 p<0.05 |
| The amount of myosin in inactive platelets, % of the total protein in platelets | 13.6±0.13 | 14.2±0.10 | 14.8±0.09 | 15.2±0.12 | 15.4±0.16 p<0.05 |
| The amount of myosin in platelets during ADP-aggregation, % of the total protein in platelets | 28.5±0.11 | 28.9±0.10 | 29.6±0.14 | 30.0±0.12 | 31.3±0.13 p<0.05 |
| AP development time with ADP, s | 39.8±0.18 | 39.1±0.16 | 38.4±0.10 | 37.7±0.14 | 36.5±0.09 p<0.05 |
| The development time of AP with collagen, s | 31.8±0.10 | 31.2±0.16 | 30.6±0.12 | 29.4±0.13 p<0.05 | 28.6±0.15 p<0.05 |
| The development time of AP with thrombin, s | 52.7±0.12 | 51.6±0.14 | 50.5±0.09 | 49.3±0.16 | 48.7±0.11 p<0.05 |
| The development time of AP with ristomycin, s | 47.6±0.14 | 46.8±0.10 | 46.0±0.18 | 45.2±0.12 | 43.6±0.17 p<0.05 |
| The development time of AP with adrenaline, s | 97.2±0.20 | 96.2±0.17 | 95.5±0.23 | 94.0±0.19 | 91.1±0.21 p<0.05 |
| Platelet-discocyte level, % | 77.5±0.14 | 76.3±0.12 | 74.1±0.16 | 72.3±0.15 | 70.1±0.24 p<0.05 |
| Sum of activated platelet forms, % | 22.5±0.10 | 23.7±0.16 | 25.9±0.12 p<0.05 | 26.7±0.14 p<0.01 | 27.9±0.18 p<0.01 |
| The number of small platelet aggregates, per 100 free platelets | 3.5±0.11 | 3.6±0.09 | 3.8±0.06 p<0.05 | 4.1±0.08 p<0.01 | 4.5±0.07 p<0.01 |
| The number of medium and large platelet aggregates per 100 free platelets | 0,11±0,018 | 0.11±0.015 | 0.12±0.016 p<0.05 | 0.13±0.023 p<0.01 | 0.14±0.020 p<0.01 |
Note: p – is the reliability of the dynamics of indicators in relation to 11 days of age.
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