Özet:

This study was aimed at researching certain biochemical parameters and levels of mineral in the blood serum of retention secondary (RS) formed (n=28) and nonformed (n=44) milk cows and identifying their effects on retention secondary. The levels of alanin aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphate (ALP), lactate dehydrogenase (LDH), blood urine nitrogen (BUN), creatine (CRE), albumin (ALB), glucose, direct and total bilirubin, total protein, calcium (Ca), phosphorus (P), magnesium (Mg) and iron (Fe) were determined in the autoanalyzer. The study found that the total serum protein (p< 0.05) and Ca levels (p< 0.01) in secondary retention animals were lower than in non-formed secondary retention animals. In other parameters, the difference between the two groups was statistically irrelevant. As a result, it is believed that differences in serum biochemical parameters may be caused by changes in the puerperal period or problems in the puerperal period. However, the difference in serum mineral levels may occur separately from the puerperal period depending on the diet. The difference in calcium levels is effective in the formation of retention, as it is also seen in the study. Therefore, it is believed that paying attention to animal rations before birth, especially in terms of mineral substances, and controlling animal metabolic profiles, will be useful in preventing puerperal period problems.

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