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2008 | 64 | 04A |

Tytuł artykułu

Stezenie leptyny, greliny i wskaznikow metabolizmu lipidow w osoczu krwi klaczy czystej krwi arabskiej i kucow felinskich w okresie okoloporodowym

Warianty tytułu

EN
Concentrations of plasma leptin, ghrelin and parameters of lipid metabolism in purebred Arabian and pony mares during the periparturient period

Języki publikacji

PL

Abstrakty

EN
The aim of this study was to investigate the relationship between blood plasma levels of leptin, ghrelin and parameters of lipid metabolism during the peripartum period in mares. The investigation included 15 purebred Arabian broodmares 5 to 13-years-old and 6 pony mares from 9 to 16-years-of-age. The blood samples were collected two weeks before the term of anticipated foaling and on days 0, 3, 9, 15 and 22 post partum. The levels of leptin and ghrelin in the blood plasma were determined using RIA kits (Linco Research) and the concentration of triacylglycerols (TG), glycerol, free fatty acids (WKT), total cholesterol and HDL cholesterol were measured via enzymatic methods. The plasma concentration of leptin, WKT, total cholesterol and HDL cholesterol attained maximum values at parturition day. Plasma TG and LDL cholesterol levels were the highest in late pregnancy and diminished in the days following parturition. The values of glycerol, WKT, total cholesterol and HDL cholesterol were lower and the levels of leptin and ghrelin were higher in purebred Arabians than in pony mares. A negative correlation was found between the plasma leptin concentration and the WKT/TG ratio. Leptin can play an important role in the regulation of lipid metabolism during the periparturient period in mares.

Wydawca

-

Rocznik

Tom

64

Numer

04A

Opis fizyczny

s.427-430,tab.,bibliogr.

Twórcy

autor
  • Akademia Rolnicza w Lublinie, ul.Akademicka 12, 20-033 Lublin
autor
autor
autor

Bibliografia

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  • 3. Block S. S., Butler W. R., Ehrhardt R. A., Bell A. W., Van Amburgh M. E., Boisclair Y. R.: Decreased concentration of plasma leptin in periparturient dairy cows by negative energy balance. J. Endocrinol. 2001, 171, 339-348.
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  • 9. Buff P. R., Messer N. T. IV, Cogswell A. M., Johnson P. J., Keisler D. H., Ganjam V. K.: Induction of pulsatile secretion of leptin in horses following thyroidectomy. J. Endocrinol. 2007, 192, 353-359.
  • 10. Buff P. R., Morrisom C. D., Ganiam V. K., Keisler D. H.: Effects of short-term feed deprivation and melatonin implants on circadian patterns of leptin in the horse. J. Anim. Sci. 2005, 83, 1023-1032.
  • 11. Cartmill J. A., Thompson D. L. Jr., Storer W. A., Gentry L. R., Huff N. K.: Endocrine responses in mares and geldings with high body condition scores grouped by high vs. low resting leptin concentrations. J. Anim. Sci. 2003, 81, 2311-2321.
  • 12. Chan D. C., Watts G. F., Ng T. W. K., Uchida Y., Sakai N., Yamashita S., Barret P. H. R.: Adiponectin and other adipocytokines as predictors of markers of triglyceride-rich lipoprotein metabolism. Clin. Chem. 2005, 51, 578-585.
  • 13. Ferreira-Dias G., Claudino F., Carvalho H., Agricola R., Alpoim-Moreira J., Robalo Silva J.: Seasonal reproduction in the mare: possible role of plasma leptin, body weigh and immune status. Domest. Anim. Endocrinol. 2005, 29, 203-213.
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  • 20. Hoffman R. M., Kronfeld D. S., Cooper W. L., Harris P. A.: Glucose clearance in grazing mares is affected by diet, pregnancy and lactation. J. Anim. Sci. 2003, 81, 1764-1771.
  • 21. Krumrych W.: Wskaźniki laboratoryjne krwi koni - wartości referencyjne i interpretacja. PIWet Puławy 2003.
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  • 23. McManus C. J., Fitzgerald B. P.: Effects of a single day of feed restriction on changes in serum leptin, gonadotropins, prolactin and metabolites in aged and young mares. Domest. Anim. Endocrinol. 2000, 19, 1-13.
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  • 28. Waller C. A., Thompson D. L., Cartmill J. A., Storer W. A., Huff N. K.: Reproduction in high body condition mares with high versus low leptin concentrations. Theriogenology 2006, 66, 923-928.
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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

bwmeta1.element.agro-article-cf419611-1a97-4be0-94bb-532dcb98d05b
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