Ontogenetic peculiarities of total lipids spectrum and the ratio of their classes in the various organs of laying hens
Journal Title: Біологія тварин - Year 2014, Vol 16, Issue 4
Abstract
The objective was to investigate the lipid composition of liver tissue, breast muscles, pancreas and kidneys of laying hens during ontogeny for the further correction of chicken feed rations in order to neutralize metabolic disorders that occur during ontogenetic development. The experiment was conducted on Hisex Brown breed laying hens from 6-days to 240-days age. During the experiment studies were conducted on indices of lipid metabolism in the bodies of 6-days old chickens (residual yolk resorption), 30-days age (during the juvenile molt), 60 and 90- days age chickens and 120-days old hens (at the beginning of oviposition), 150 and 240-days age. The material for the studies were liver tissue, pectoral muscles, pancreas and kidneys. Lipid composition was determined by thin layer chromatography on silica gel. The studies of patterns of change of total lipids and their individual classes in the age dynamics revealed that the lowest content of total lipids in these tissues was observed in 60-days age. By the 150-days age, in connection with the oviposition, the concentration of these lipids had increased, except for pectoral muscles in all the studied tissues. The content of phospholipids in the liver had been increasing by the 60th day, ie in the period of intensive growth of the body, and then decreasing, and the rest of the tissues were kept at the same level. The content of mono- and diacylglycerols had been increasing in all tissues by the 60th day, with a gradual decrease by 90–120 days period. The relative content of nonetherified fatty acids was the largest in the breast muscle on the 30th day of the development; in the liver and kidney on the 90th day. Since the 120th day no significant changes had been occurred.
Authors and Affiliations
V. O. Kystsiv
Keywords
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