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Effect Of High And Low Erucic Acid Rapeseed Oil On The Liver Of The Chick
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Book Synopsis Effect of High and Low Erucic Acid Rapeseed Oil on the Liver of the Chick by : Deborah Lynn MacLellan
Download or read book Effect of High and Low Erucic Acid Rapeseed Oil on the Liver of the Chick written by Deborah Lynn MacLellan and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Duplicate experiments were conducted to determine the effect of incorporation of rapeseed oil into the diet of the chick on liver size, hydroxyproline content of liver protein, lipid content of the liver and the fatty acid composition of neutral liver lipid and liver phospholipid. For comparative purposes the fatty acid composition of carcass lipid was also determined. The diets fed contained high erucic acid rapeseed oil (HER), low erucic acid rapeseed oil (LER), or sunflowerseed oil (SFO) and were formulated by substitution of 20 parts oil isoenergetically for glucose. All chicks were fed the experimental diets from 4 to 28 days of age. When fed ad libitum, it was found that chicks fed diets containing HER consumed fewer calories and grew at a slower rate than LER or SFO fed chicks. Results also showed that growth and caloric consumption of chicks fed diets containing LER was intermediate between and significantly different from that of chicks fed either the HER or SFO containing diets. Chicks fed diets containing HER had significantly heavier livers than chicks fed LER containing diets, which in turn, were found to have significantly heavier livers than chicks fed diets containing SFO. Results of liver lipid determinations showed that chicks fed diets containing HER had a significantly higher percentage of lipid in their livers than did the SFO fed controls. The level of lipid in livers of chicks fed LER was intermediate between but not significantly different from that of chicks fed diets containing SFO and HER. Level of phospholipid in liver lipid was similar irrespective of whether diets contained HER, LER or SFO. No difference was observed in the percentage of hydroxy- proline in liver protein of chicks fed HER, LER and SFO, thus indicating that collagen, the chief constituent of connective tissue, was not increased. Marked differences in fatty acid composition of liver neutral lipids and phospholipids were observed when diets containing HER, LER and SFO were fed. Both the neutral lipids and phospholipids in liver of chicks fed diets containing HER and LER were characterized by having lower levels of stearic, linoleic and arachidonic acids and higher levels of oleic acid than when diets containing SFO were fed. The liver neutral lipids and phospholipids of chicks fed diets containing HER differed from those of chicks fed diets containing LER in that they contained erucic acid and also had higher levels of eicosenoic and lower levels of linoleic and arachidonic acids. Whether changes in fatty acid composition of phospholipids contribute to structural - functional changes in the liver and to the observed increase in liver size when diets containing HER and LER rather than SFO were fed is unknown. Liver neutral lipids of chicks were found to be more saturated than carcass lipid and when HER was fed liver neutral lipids were found to contain slightly but significantly lower levels of erucic and eicosenoic acids, than carcass lipid. Differences in rates of oxidation of palmitic and erucic acid by extrahepatic tissue may contribute to these differences and thus do not necessarily negate the hypothesis that in the chick the liver helps to protect other tissues from excessive exposure to erucic and eicosenoic acids.
Book Synopsis Factors Affecting the Nutritive Value of Rapeseed Oil for the Chick by : Helen Rosemary Clement
Download or read book Factors Affecting the Nutritive Value of Rapeseed Oil for the Chick written by Helen Rosemary Clement and published by . This book was released on 1974 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were conducted to study factors affecting the nutritive value of rapeseed oil for the the chick using rate of growth, energetic efficiency and tissue composition as criteria. The diets fed contained high erucic acid rapeseed oil (HER), low erucic acid rapeseed oil (LER) or sunflowerseed oil (SFO), and were formulated by substitution of 10 or 20 parts of the respective oils isocalorically for glucose. Diets containing 15 parts HER or LER and 5 parts palmitic or oleic acid were formulated by similar isocaloric substitution. All chicks were fed the experimental diets from 4 days of age. When fed for 7 days, diets containing 10 or 20 parts HER caused depressed growth and feed consumption, and reduced fat deposition when compared with similar levels of SFO. Chicks fed diets containing 10 or 20 parts LER for 7 days grew at the same rate and deposited the same amount of fat as chicks fed diets containing similar levels of SFO. The type of oil fed had no effect on the level of cardiac lipid at the end of the 7 days feeding period. When fed diets containing 10 parts HER, LER or SFO for 24 days, chicks showed similar rates of growth, feed consumption, heart size and heart fat content. However, consumption of diets containing 10 parts HER caused less carcass fat deposition and less efficient energy utilization than consumption of diets containing similar levels of LER or SFO. Feeding diets containing 20 parts of oil for 24 or 26 days showed the growth promoting properties of the three oils to differ, with HER giving the lowest, LER an intermediate and SFO the most rapid rate of growth. Results also showed that chicks fed diets containing HER had larger hearts than those fed diets containing similar levels of LER or SFO, but this could not be attributed to increased heart fat content. When pair-fed, chicks fed diets containing 20 parts HER deposited less fat and utilized energy less efficiently than those fed diets containing similar levels of SFO. Fat deposition after feeding diets supplying 20 parts LER was also less than when SFO-containing diets were fed, but these two oils showed the same efficiency of energy utilization. Diets supplying HER modified with palmitic acid for 26 days caused increased growth and energy utilization, and decreased heart size when compared with the unsupplemented HER. Similar changes were not found in diets containing HER supplemented with oleic acid, or LER supplemented with either palmitic or oleic acid.
Download or read book Poultry Science written by and published by . This book was released on 1978 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vol. 5 includes a separately paged special issue, dated June 1926.
Book Synopsis Production and Utilization of Protein in Oilseed Crops by : E.S. Bunting
Download or read book Production and Utilization of Protein in Oilseed Crops written by E.S. Bunting and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication contains the proceedings of a seminar on 'Production and Utilization of Protein in Oilsead Crops', held at Braunschweig from 8 to 10 July, 1980. The meeting was held under the auspices of the Commission of the European Communities, as part of the EEC Common Research Programme on Plant Protein Improvement. Methods for the intensive production of meat and milk have been adopted to an increasing extent in EEC coun±ries over the past two decades, their success is based on animal diets of high quality, balanced for energy and protein contents. The substantial improvements in cereal yields in EEC over this period has kept pace with the increasing demand for dietary energy in concentrated animal foodstuffs, but provision of the necessary protein supplementation has required ever-increasing imports of soybean products. Grain legumes and oilseed meals are the two main sources of concentrated protein for the animal feeds industry, and there is an urgent need for increased EEC production of both. Seminars on grain legumes have been held at regular intervals since 1976; the meeting at Braunschweig, now reported, was the first to consider in detail the potential contribution from oilseed crops suitable for EEC conditions. Local arrangements for the seminar were made by Professor Dr. M. Dambroth, Dr. C. Sommer, and their colleagues at the Institut fUr Pflanzenbau und Pflanzenzuchtung, Braunschweig - Volkenr6de.
Book Synopsis International Poisonous Plants Checklist by : D. Jesse Wagstaff
Download or read book International Poisonous Plants Checklist written by D. Jesse Wagstaff and published by CRC Press. This book was released on 2008-07-07 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge of plant toxicity has always been important, but the information has not always been reliable. Now, increasing international trade is drawing attention to the inadequacy of regional information and highlighting the geographical fragmentation and notorious discrepancies of thinly documented information. The international community of safet
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Book Synopsis Canadian Theses by : National Library of Canada
Download or read book Canadian Theses written by National Library of Canada and published by . This book was released on 1976 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Modification of Lipid Metabolism by : Edward G. Perkins
Download or read book Modification of Lipid Metabolism written by Edward G. Perkins and published by Elsevier. This book was released on 2012-12-02 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modification of Lipid Metabolism is a collection of proceedings presented at the Symposium on Modification of Lipid Metabolism, held during the American Chemical Society meeting in Atlantic City, New Jersey, on September 10-11, 1974. The symposium provided a forum for discussing advances in the modification of lipid metabolism and tackled topics ranging from the effect of dietary rapeseed oil on cardiac tissue to inborn errors of lipid metabolism and lysosomal storage disorders. Comprised of 10 chapters, this book begins with an overview of advances in the composition, structure, and functions of lipids in metabolic pathways, followed by a discussion on the effect of dietary rapeseed oil on cardiac tissue. The reader is then introduced to genetic lipid storage diseases, along with their diagnosis and treatment. Viral modification of cell surface glycosphingolipids as an important factor in contact inhibition of cell growth and division is also examined. Subsequent chapters deal with different approaches to the problem of obesity, dietary regulation of lipid storage and the use of a metabolic inhibitor to reduce lipid storage; the importance of perinatal nutrition; factors in the environment that may effect tissue lipids and their metabolism; and phase transitions in membranes and the effect of temperature changes on changes in lipids and proteins of membranes. This monograph should be of interest to practitioners in the fields of biology, biochemistry, and food science and nutrition.
Download or read book Cerebrovascular Bibliography written by and published by . This book was released on 1962 with total page 1282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Avian Nutrition by : Nityanand Pathak
Download or read book Avian Nutrition written by Nityanand Pathak and published by CRC Press. This book was released on 2020-12-02 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scope of book has relevant and important informations on some of the popular tamed birds reared as pet in cages. Among these Parrots and Mayana are companion species capable of learning and limited conversation with members of the house. Bulbul, partridges and pigeon are used for sports. Owners of these birds expect guidance for care and management from the experts of poultry science because so far there appears to be no school on the management of such avian species. Incorporation of these avian species in the book is expected to enrich the knowledge of students and teachers of the Avian and Poultry Science. Note: T& F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.
Download or read book Canadiana written by and published by . This book was released on 1981 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canola by : Canola Council of Canada
Download or read book Canola written by Canola Council of Canada and published by . This book was released on 1991 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Federal Register written by and published by . This book was released on 1985-01-25 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
