References

AOAC., 1990. Official Methods of Analyses. 15th Edn., Association of Official Analytical Chemists, Arlington, VA., USA.

Altmann, M. and E. Von Borell, 2007. Leptin as an indicator for carcass composition in farm animals. Anim. Sci. J., 78: 449-459.
CrossRef  |  

Altmann, M., H. Sauerwein and E. Von Borell, 2006. Plasma leptin in growing lambs as a potential predictor for carcass composition and daily gain. Meat Sci., 74: 600-604.
CrossRef  |  

Berg, E.P., E.L. McFadin, K.R. Maddock, R.N. Goodwin, T.J. Baas and D.H. Keisler, 2003. Serum concentrations of leptin in six genetic lines of swine and relationship with growth and carcass characteristics. J. Anim. Sci., 81: 167-171.
PubMed  |  Direct Link  |  

Crowley, W.R., G. Ramoz, K.A. Keefe, R. Torto, S.P. Kalra and G.R. Hanson, 2005. Differential effects of methamphetamine on expression of neuropeptide Y mRNA in hypothalamus and on serum leptin and ghrelin concentrations in ad libitum-fed and schedule-fed rats. Neuroscience, 132: 167-173.
CrossRef  |  PubMed  |  Direct Link  |  

Cummings, D.E. and K.E. Foster, 2003. Ghrelin-leptin tango in body-weight regulation. Gastroenterology, 124: 1532-1535.
CrossRef  |  PubMed  |  Direct Link  |  

Cummings, D.E., J.Q. Purnell, R.S. Frayo, K. Schmidova, B.E. Wisse and D.S. Weigle, 2001. A preprandial rise in plasma ghrelin levels suggests a role in meal initiation in humans. Diabetes, 50: 1714-1719.
CrossRef  |  PubMed  |  Direct Link  |  

Geary, T.W., E.L. McFadin, M.D. MacNeil, E.E. Grings, R.E. Short, R.N. Funston and D.H. Keisler, 2003. Leptin as a predictor of carcass composition in beef cattle. J. Anim. Sci., 81: 1-8.
PubMed  |  Direct Link  |  

Higashiyama, Y., H. Abe, M. Hayashi and K. Hodate, 2003. The comparison of plasma level and mRNA expression of leptin from Japanese Black steers and Holstein steers. Livestock Prod. Sci., 81: 247-255.
CrossRef  |  

Houseknecht, K.L., C.A. Baile, R.L. Matteri and M.E. Spurlock, 1998. The biology of leptin: A review. J. Anim. Sci., 76: 1405-1420.
PubMed  |  Direct Link  |  

Ikezaki, A., H. Hosoda, K. Ito, S. Iwama and N. Miura et al., 2002. Fasting plasma ghrelin levels are negatively correlated with insulin resistance and PAI-1, but not with leptin, in obese children and adolescents. Diabetes, 51: 3408-3411.
PubMed  |  

Kawakita, Y., H. Abe, K. Hodate, A. Iguchi and M. Kobayashi et al., 2001. The relation between plasma leptin concentrations and carcass lipid contents in Japanese Black steers. Livestock Prod. Sci., 73: 25-34.
CrossRef  |  

Nakai, Y., H. Hosoda, K. Nin, C. Ooya, H. Hayashi, T, Akamizu and K. Kangawa, 2003. Plasma levels of active form of ghrelin during oral glucose tolerance test in patients with anorexia nervosa. Eur. J. Endocrinol., 149: R1-R3.
CrossRef  |  PubMed  |  Direct Link  |  

Nakazato, M., N. Murakami, Y. Date, M. Kojima, H. Matsuo, K. Kangawa and S. Matsukura, 2001. A role for ghrelin in the central regulation of feeding. Nature, 409: 194-198.
CrossRef  |  Direct Link  |  

Patel, A.D., S.A. Stanley, K.G. Murphy, G.S. Frost and J.V. Gardiner et al., 2006. Ghrelin stimulates insulin-induced glucose uptake in adipocytes. Regul. Peptides, 134: 17-22.
CrossRef  |  

Sugino, T., Y. Hasegawa, Y. Kikkawa, J. Yamaura and M. Yamagishi et al., 2002. A transient ghrelin surge occurs just before feeding in a scheduled meal-fed sheep. Communications, 295: 255-260.
CrossRef  |  Direct Link  |  

Tokuda, T. and H. Yano, 2001. Blood leptin concentrations in Japanese Black cattle. Anim. Sci., 72: 309-313.
Direct Link  |  

Tschop, M., D.L. Smiley and M.L. Heiman, 2000. Ghrelin induces adiposity in rodents. Nature, 407: 908-913.
CrossRef  |  PubMed  |  Direct Link  |  

Tschop, M., R. Wawarta, R.L. Riepl, S. Friedrich, M. Bidlingmaier, R. Landgraf and C. Folwaczny, 2001. Post-prandial decrease of circulating human ghrelin levels. J. Endocrinol. Invest., 24: 19-21.
PubMed  |  Direct Link  |  

Ueno, H., H. Yamaguchi, K. Kangawa and M. Nakazato, 2005. Ghrelin: A gastric peptide that regulates food intake and energy homeostasis. Regul. Pept., 126: 11-19.
CrossRef  |  PubMed  |  Direct Link  |  

Wegner, J., P. Huff, C.P. Xie, F. Schneider and F. Teuscher et al., 2001. Relationship of plasma leptin concentration to intramuscular fat content in beef from cross bred Wagyu cattle. Can. J. Anim. Sci., 81: 451-457.
Direct Link  |  

Xu, B., P.S. Kalra, W.G. Farmerie, and S.P. Kalra, 1999. Daily changes in hypothalamic gene expression of neuropeptide Y, galanin, proopiomelanocortin and adipocyte leptin gene expression and secretion: Effects of food restriction. Endocrinology, 140: 2868-2875.
CrossRef  |  Direct Link  |  

Yamada, T., S.I. Kawakami and N. Nakanishi, 2003. The relationship between plasma leptin concentrations and the distribution of body fat in crossbred steers. Anim. Sci. J., 74: 95-100.
CrossRef  |  

Yildiz, B.O., M.A. Suchard, M.L. Wong, S.M. McCann and J. Licinio, 2004. Alterations in the dynamics of circulating ghrelin, adiponectin and leptin in human obesity. Proc. Nati. Acad. Sci. USA., 101: 10434-10439.
CrossRef  |  PubMed  |  Direct Link  |  

Yonekura, S., A. Oka, M. Noda, N. Uozumi, T. Yonezawa, K. Katoh and Y. Obara, 2002. Relationship between serum leptin concentrations and the marbling scores in Japanese Black cattle. Anim. Sci. J., 73: 51-57.
CrossRef  |  

van Soest, P.J., J.B. Robertson and B.A. Lewis, 1991. Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. J. Dairy Sci., 74: 3583-3597.
CrossRef  |  PubMed  |  Direct Link  |