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Main components of bovine colostrum and bovine milk: Amounts represented as per liter.
| Component | Bovine colostrum(per liter) | Bovine milk(per liter) | Reference |
|---|---|---|---|
| IgG1 | 35-90 gram | 0.30-0.40 gram | (Elfstrand et al., 2002) (Bagwe et al., 2015) (Buttar et al., 2017) |
| IgG2 | 1.5-2 gram | 0.03-0.08 gram | |
| IgA | 3-6.5 gram | 0.04-0.06 gram | |
| IgM | 3.8-6 gram | 0.03-0.06 gram | |
| Lactoferrin | 1.5-5 gram | 0.1-0.3 gram | |
| Crude protein | 41-140 gram | 34 gram | |
| Growth hormone (GH) | <1μg | <0.03μg | |
| TNF-α | 926 μg | 3.3μg |
