Camel (Camelus dromedarius) immunoglobulin G, alpha-lactalbumin, serum albumin and lactoferrin in colostrum and milk during the early post partum period.
Colostrum and milk samples from twelve Tunisian camels were analysed for concentration of immunoglobulin G (IgG), alpha-lactalbumin (alpha-la), serum albumin ( CSA) and lactoferrin throughout the first 14 milkings post partum (7 days of lactation) using single radial immunodiffusion assay. Concentrations (mg/ml, means+/-SD) at first milking were IgG, 100.7+/-60.4; alpha-la, 2.2+/-0.7; CSA, 8.5+/-3.6 and lactoferrin, 1.2+/-0. 3. Large variations were recorded for IgG and CSA concentrations (11.8-211.1 mg/ml and 2.9-13.8 mg/ml respectively) Concentrations of IgG and CSA dropped abruptly in the subsequent milkings while alpha-la concentration increased until milking 5 and then decreased slowly. Lactoferrin dropped only from milking 7. Mean IgG concentrations were 3.6 and 2.5 mg/ml at milking 9 and 13 respectively. However, IgG concentration did not differ significantly, at the 1% level, from milkings 11 to 14. The contribution of CSA to the increase in whey proteins in early milks was greater than that described in the bovine and caprine species.[1]References
- Camel (Camelus dromedarius) immunoglobulin G, alpha-lactalbumin, serum albumin and lactoferrin in colostrum and milk during the early post partum period. El-Hatmi, H., Levieux, A., Levieux, D. J. Dairy Res. (2006) [Pubmed]
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