Abstract
Camel milk has important role in human nutrition in desert and semi-desert regions; this milk provides the man with all essential nutrients in addition to its medicinal properties. A study was conducted to determine the impact of parity order on nutrition values of camel milk overall four months postpartum under modern system. Eight she-camels were selected immediately after calving and assigned to two equal groups, early lactation (GY) and mid lactation (GD). Both groups were managed together at the same environmental conditions under intensive system. Collection of milk samples started at second week postpartum and continued biweekly interval up to end of 4th month postpartum. The total fat, protein, lactose, solid non-fat (SNF) and density percentages were determined by automatic milk analyzer device (lactoscan Model-90, Europe). Results elucidated that there was no significant difference of lactose and fat content between two groups throughout experiment period. Where the significant difference (P˂0.05) of protein, SNF and density contents of milk were detected during lactation stages throughout four months. Otherwise, the levels of fat, lactose, protein and SNF were increased significantly (P˂0.05) with advancement of lactation stage, beside fluctuation of density values during experiment period. The current study revealed that milk produced by young is slightly richer in fat content, whereas milk of old camel is richer in protein content. The variation of nutrition values of milk should be attributed to parities, calve number and physiological factors.
Highlights
F the fish habitat, diversity and resources, it is urgent to carry out targeted protection work
Four species belonging to According to the fish breeding seasonal pattern, the Cyprinidae family were collected, and the length and investigations were carried out twice in July and December weight data used to analyze length-weight relationships
Fish hollandi) to 3.367 (Ptychidio longibarbus), and all species were measured for standard length (SL) to the nearest 1mm except for Ptychidio longibarbus fell within the range
Summary
F the fish habitat, diversity and resources, it is urgent to carry out targeted protection work. Four species belonging to According to the fish breeding seasonal pattern, the Cyprinidae family were collected, and the length and investigations were carried out twice in July and December weight data used to analyze length-weight relationships. The numbers of individual fish specimens drifting gillnets, castnets and shrimp cages. The r2 values ranged from were identified to species level according to Chen (1998), 0.901 to 0.996; values of b varied from 3.041
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