Effect of Total and Differential Somatic Cell Counts, Lactation Stage and Lactation Number on Lipolysis and Physicochemical Composition in Camel (Camelus dromedaries) and Cow Milk
الموضوعات :اچ. حامد 1 , آ.ف. ال فکری 2 , آ. گرگوری 3
1 - Laboratory of Animal Ecophysiology, Faculty of Science, Sfax University, Sfax, Tunisia
2 - Laboratory of Animal Ecophysiology, Faculty of Science, Sfax University, Sfax, Tunisia
3 - Laboratory of Animal Ecophysiology, Faculty of Science, Sfax University, Sfax, Tunisia
الکلمات المفتاحية: somatic cell count, lipolysis, Camel milk, physicalchemical composition,
ملخص المقالة :
The present study was carried out to investigate the effects of somatic cell counts (SCC), differential SCC (macrophage (MAC), lymphocyte (LYM) and polymorphonuclear leukocytes (PMN)), number and stage lactation on milk composition in camel and cow milk. Camel milk appeared to contain significantly (P<0.05) a higher content of minerals. Lipolysis level is similar in camel milk compared to cow milk. Lipolysis level increased as MAC level increased in camel’s milk but not in cow’s milk. Our results suggest that MAC play a role in the degradation of dromedary milk fat. Mineral compositions were significantly affected by the SCC in camel milk. The milk composition was not affected by lactation number in both species. Total solid, Ca and Na content in camel’s milk were gradually decreased through lactation.
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