Abstract
In this study, the effect of serum β-hydroxybutyric acid and calcium concentrations, which are the parameters used in the diagnosis of ketosis and hypocalcemia in lactation period, on left displaced abomasum (LDA) has been investigated. The lactation period covering the 3 weeks before and after parturition, known as the transition period, is highly important for high yield dairy cows (Holstein Friesian cattle). Hormonal and metabolic changes occur in this period. The energy requirement, which increases in direct proportion with the milk yield at the beginning of lactation, cannot be met with insufficient dry matter consumption, however, it is compensated with the mobilization of body fat. Ketosis and fatty liver are nutritional diseases that are observed in animals with high milk yield resulting from the disturbances in energy metabolism. Hypocalcemia and ketosis are the most important risk factors in the development of left displaced abomasum (LDA) in high-yield milk cows. Hypocalcemia and ketosis are also the most important nutritional diseases in the transition period. In this study, 17 Holstein Friesian cattle were used in group 1 that were diagnosed with left displaced abomasum after hearing the ‘‘ping’’ sound, and 17 healthy, randomly selected Holstein Friesian cattle were used in group 2. Blood analyses (BHBA and Ca) were performed in group 1 and 2 after parturition.
Highlights
Left displaced abomasum (LDA) is an economically significant nutritional disease that is common in dairy cows in gestation period
Nutritional diseases observed in animals with high milk yield such as displaced abomasum, hypocalcemia, ketosis, fatty liver, mastitis, metritis, retained placenta, acidosis and laminitis are all associated with one another, and presentation of one of these causes the appearance of others
Coccygea of the cows in group 1 that were diagnosed with displaced abomasum and the healthy cows in group 2 that gave birth in the last month, samples were taken to the laboratory by cold chain, separated from the serum was obtained by centrifugation at 3500 rpm for 5 min, and analyzed Serum Beta hydroxy butyric acid (BHBA) and total calcium (Ca) levels have been analyzed in Biotecnica Instruments BT 3500 device by using commercial kits
Summary
Left displaced abomasum (LDA) is an economically significant nutritional disease that is common in dairy cows in gestation period. The lactation period covering the 3 weeks before and after parturition, known as the transition period, is highly important for high yield dairy cows (Holstein Friesian cattle). Hormonal and metabolic changes occur in this period. The energy requirement, which increases in direct proportion with the milk yield at the beginning of lactation, cannot be met with insufficient dry matter consumption, it is compensated with the mobilization of body fat. Nutritional diseases observed in animals with high milk yield such as displaced abomasum, hypocalcemia, ketosis, fatty liver, mastitis, metritis, retained placenta, acidosis and laminitis are all associated with one another, and presentation of one of these causes the appearance of others. Nutritional diseases observed in high yield dairy
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