Lipid metabolism in cows during their lactation and gestation fetal embryonic period

  • S. M. Piven Sumy State University, Sumy
  • M. D. Кambur Sumy National Agrarian University, Sumy
Keywords: fetus, mammary gland, lactation, embryonic period, lipids

Abstract

The article presents the research on the dynamics of lipid use by mammary tissues in the organism of cows during the period of intensive lactation and the embryonic period of fetal gestation. The results of the study indicate that in the embryonic period of fetal growth and development, the use of basic plastic and energy lipids significantly differed from their use by the body of the mother-cow. The exchange of lipids in the body of cows during intensive lactation (3-4 months of lactation) suggests that the content of the total fraction of phospholipids in the arterial blood of cows during the period of intense lactation on average was a county. At the same time, the cholesterol content in amniotic fluid was 1.55 times higher at the end of the first month of fetus growth and development, and at the end of the second month it was 1.75 times lower than its content in the arterial blood of cows of the corresponding months of pregnancy and 2.0 times lower than its contents in the blood of the fetus. Fetus body weight at the end of the second month of gestation averaged 44.0 ± 1.16 g. The phosphorylcholine content in amniotic fluid at the end of the first month of fetal gestation was 335.90 ± 2.71 county, which is 1.58-1.96 times (p <0.01) lower than its content in the arterial blood of cows and fetus blood. The average phosphorylcholine content in the amniotic fluid of the fetus during the first two months of its development was 347.25 ± 2.79 county. Given the fact that lipid metabolism in the body of cows, fetuses and mammary gland was followed by the use of plastic and energy lipids, the dynamics of the content use of total fraction of triacylglycerols for these processes was studied. It was established that in the embryonic period of gestation, the average index of the total fraction of triacylglycerols in the blood of fetuses was 1.46 times higher than their content in the arterial blood of cows, which also points at a higher lipidic synthesis function in the fetus body.

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Published
2018-06-26
How to Cite
Piven, S., & КamburM. (2018). Lipid metabolism in cows during their lactation and gestation fetal embryonic period. Theoretical and Applied Veterinary Medicine, 6(2), 98-105. Retrieved from https://bulletin-biosafety.com/index.php/journal/article/view/187