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Type of publication: research article
Type of publication (PDB): Straipsnis recenzuojamoje užsienio tarptautinės konferencijos medžiagoje / Article in peer-reviewed foreign international conference proceedings (P1d)
Field of Science: Veterinarija / Veterinary (A002);Gyvūnų mokslai / Animal sciences (A003)
Author(s): Miškinienė, Manefa;Bobinienė, Rasa;Gudavičiūtė, Diana
Title: Changes in biochemical blood indices of the fowls depending on the amount of iodine in their feed
Is part of: Proceedings of the IV world waterfowl conference : 11-13 November, 2009, Thrissur, Kerala, India. [Thrissur] : Kerala agricultural university, [2009]
Extent: P. 279-286
Date: 2009
Keywords: Fowls;Iodine;Biochemical blood indices
Abstract: In the areas, where the biosphere is deficient in iodine, the feed for domestic animals and fowls should be supplemented with larger than the recommended doses of the trace element iodine. That would enable to concentrate the reserves of this element in the production, thus enriching human nutrition with iodine. The goal of the trial was to investigate the changes in the amount of the thyroid hormones, proteins, and fats in the blood. It is foreseen to perform the same kind of researches with ducks. For the trial, three groups of laying hens were formed, each of them containing 40 hens from 30 to 47 weeks of age. The laying hens of Group 1 (the control group) were fed with the standard compound feed, containing the recommended daily dose of iodine i. e. 1 mg I / 1 kg feed in the form of potassium iodide. The laying hens of Group 2 and Group 3 (the test groups) were fed with the feed of the same composition; however, the usual potassium iodide was replaced by a dry stable iodine supplement "Jodis", which is better assimilated. The amount of iodine in the feed given for the laying hens of Group 2 was 1 mg 1/1 kg feed, and of Group 3 it was 4 mg 1/1 kg feed. During the research in the blood of the laying hens of the test groups the increased amount of thyroglobulin and free thyroxine was determined. The amount of free triiodothyronine in both test groups was defined lower compared with the control group. The changes in these parameters indicate the increased thyroid activity. It was determined that the total cholesterol amount in the test groups was lower than in the blood serum of the laying hens in the control group. The HDL and LDL cholesterol difference between the control and the test groups was not statistically reliable. The amount of triglycerides in the blood serum of the tested hens was lower compared with the fowls of the control group
Affiliation(s): Vytauto Didžiojo universitetas
Švietimo akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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