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Discriminant milk components of Bactrian camel (Camelus bactrianus), dromedary (Camelus dromedarius) and hybrids

Discriminant milk components of Bactrian camel (Camelus bactrianus), dromedary (Camelus... In Kazakhstan, the cohabitation of Bactrian camels, dromedaries and their hybrids is a common feature even within farms. The physico-chemical composition of 147 milk samples from 57 Bactrians, 70 dromedaries and 20 hybrids was determined. The samples came from 4 different regions and were collected at 4 different seasons within a year. Compared with dromedary, Bactrian camel milk had significantly higher fat (6.67 vs. 5.94%), vitamin C (177 vs. 152 mg·L−1), calcium (1.30 vs. 1.16 g·L−1) and phosphorus (1.07 vs. 0.91 g·L−1). The iodine index value was significantly higher in dromedary (16.69) than in Bactrian milk (14.99). To distinguish Bactrian milk from dromedary milk, a discriminant analysis was carried out after discarding seasonal and regional variability. The discriminant parameters were phosphorus (linear discriminant coefficient = −1.00), pH (−0.408), vitamin C (−0.377) and fat content (−0.226), in higher concentrations in Bactrian than in dromedary milk. The iodine index (0.287) was higher in dromedary milk. After quadratic discriminant analysis, milk composition can predict species, with 75.4% well-classed. The milk composition of the hybrids was intermediary but with a low discriminant power. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Dairy Science & Technology Springer Journals

Discriminant milk components of Bactrian camel (Camelus bactrianus), dromedary (Camelus dromedarius) and hybrids

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Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer S+B Media B.V.
Subject
Chemistry; Food Science; Agriculture; Microbiology
ISSN
1958-5586
eISSN
1958-5594
DOI
10.1051/dst:2008008
Publisher site
See Article on Publisher Site

Abstract

In Kazakhstan, the cohabitation of Bactrian camels, dromedaries and their hybrids is a common feature even within farms. The physico-chemical composition of 147 milk samples from 57 Bactrians, 70 dromedaries and 20 hybrids was determined. The samples came from 4 different regions and were collected at 4 different seasons within a year. Compared with dromedary, Bactrian camel milk had significantly higher fat (6.67 vs. 5.94%), vitamin C (177 vs. 152 mg·L−1), calcium (1.30 vs. 1.16 g·L−1) and phosphorus (1.07 vs. 0.91 g·L−1). The iodine index value was significantly higher in dromedary (16.69) than in Bactrian milk (14.99). To distinguish Bactrian milk from dromedary milk, a discriminant analysis was carried out after discarding seasonal and regional variability. The discriminant parameters were phosphorus (linear discriminant coefficient = −1.00), pH (−0.408), vitamin C (−0.377) and fat content (−0.226), in higher concentrations in Bactrian than in dromedary milk. The iodine index (0.287) was higher in dromedary milk. After quadratic discriminant analysis, milk composition can predict species, with 75.4% well-classed. The milk composition of the hybrids was intermediary but with a low discriminant power.

Journal

Dairy Science & TechnologySpringer Journals

Published: May 21, 2011

References