Variations Of Trace Elements And Anti-oxidation Indexes In Dairy Cows Suffered From Alcohol Positive Milk

Concentrations of many kinds of mineral elements,variations of many kinds of anti-oxidation indexes and activities of enzymes in the milk,whey and serum of dairy cows suffered from alcohol positive milk(APM) were detected in order to study the mechanism how APM was secreted. Contents of trace elements in the serum and milk(whey),the metabolism of free radicals and the relationship between the metabolism of microelement and the system of anti-oxidation are studied emphatically. The relationship between the metabolism of free radicals in the mammary gland of cows with APM and its injury are discussed also. The result is reported as follows:1.The result showed that contents of total calcium(Ca) and total Magnesium (Mg)in APM are significantly higher than those in the negative milk(P<0.05) and the change of Mg is greater(P<0.01);While concentrations of total sodium (Na),total potassium(K) decreased significantly(P<0.05)and the difference of Na is significant(P<0.01). Based on the result in the whey of cows with APM,concentrations of Ca,Na are significant higher than those in the negative whey(P<0.05); Contents of Mg,K,Inorganic phosphorus(P) and chloridion (Cl-)have no remarkable difference(P>0.05).Compared with anions and cations in the positive and negative milk,it is clear that the balance of ions in APM is in disorder and the number of electric charge is increasing,which make the colloid of milk precipitate easily. Finally it leads to the production of APM.2.According to the experiment,it is clear that contents of Zn,Cu in the serum of cows suffered from APM decreased significantly (P<0.05)and those of Mn,Fe have no remarkable difference(P>0.05);Contents of Zn,Cu,Mn in the milk...