Metabolism of Purine Derivatives and Microbial Nitrogen Supply in Sheep fed Different Protein Supplements

References

• AOAC . 1995 . Official Methods of Analysis , 16thed , Vol. I , Washington, D.C. : Association of Official Analytical Chemists .
   Google Scholar
• ARC . 1984 . The Nutrient Requirements of Ruminant Livestock , Farningham Royal, Sough : Commonwealth Agricultural Bureaux . Supplement 1
   Google Scholar
• Chen , X. B. and Gomes , M. J. 1992 . Estimation of microbial protein supply to sheep and cattle based on urinary excretion of purine derivatives- An overview of the technical details , UK : Rowett Research Institute. University of Aberdeen .
   Google Scholar
• Chen , X. B. , Hovell , F. D. , De , B. , Ørskov , E. R. and Brown , D. S. 1990 . Excretion of purine derivatives by ruminants: effect of exogenous nucleic acid supply on purine derivatives excretion in sheep . Brit. J. Nutr. , 63 : 131 – 142 .
   PubMed Web of Science ®Google Scholar
• Chen , X. B. , Kyle , D. J. , Ørskov , E. R. and De Hovell , F. D.B. 1991 . Renal clearance of plasma allantoin in sheep . Expt. Physiol. , 76 : 59 – 65 .
   PubMed Web of Science ®Google Scholar
• Dipu , M. T. , Singh , P. , Verma , A. K. and Mehra , U. R. 2008 . Endogenous excretion of purine derivatives and nitrogen in rams . Indian J. Anim. Sci. , (In press)
   Web of Science ®Google Scholar
• George , S. K. , Dipu , M. T. , Mehra , U. R. , Verma , A. K. and Singh , P. 2006 . Effect of levels of feed intake on plasma concentration and urinary excretion of purine derivatives in crossbred bulls . J. Anim. Feed Sci. , 15 : 26 – 36 .
   Google Scholar
• IAEA . 1997 . Estimation of rumen microbial protein production from purine derivatives in urine (TECDOC-945) , Vienna : International Atomic Energy Agency .
   Google Scholar
• IAEA . 1999 . Nuclear based technologies for estimating microbial protein supply in ruminant livestock (TECDOC-1093) , Vienna : International Atomic Energy Agency .
   Google Scholar
• Liu , Z. J. and McMeniman , N. P. 2006 . Effect of nutrition level and diets on creatinine excretion by sheep . Small Rumin. Res , 63 : 265 – 273 .
   Web of Science ®Google Scholar
• Marini , J. C. , Klein , J. D. , Sands , J. M. and Van Amburgh , M. E. 2004 . Effect of nitrogen intake on nitrogen recycling and urea transporter abundance in lambs . J. Anim. Sci. , 82 : 1157 – 1164 .
   PubMed Web of Science ®Google Scholar
• NRC . 1985 . Nutrient Requirements of Sheep, , 6th Revised Edition , Washington, D.C. : National Academy of Sciences-National Research Council .
   Google Scholar
• Samaniego , M. A. , Chen , X. B. , De Hovell , F. D.B. , Macrae , J. C. and Mayes , R. W. 1997 . Comparison of methods for the measurement of microbial protein supply in sheep . Proceed. Brit. Soc. Anim. Sci. , : 125A
   Google Scholar
• Santoso , B. , Mwenya , B. , Sar , C. , Gamo , Y. , Kobayashi , T. , Morikawa , R. , Kimura , K. , Mizukoshi , H. and Takahashi , J. 2004 . Effects of supplementing galacto-oligosaccharides, Yucca schidigera or nisin on rumen methanogenesis, nitrogen and energy metabolism in sheep . Livestock Prod. Sci , 91 : 209 – 217 .
   Google Scholar
• Singh , M. , Sharma , K. , Singh , P. , Dutta , N. and Mehra , U. R. 2007 . Endogenous excretion of purine derivatives, creatinine and nitrogen in crossbred (Bos indicus × Bos taurus) cattle . Anim. Nutri. Feed Technol. , 7 : 11 – 19 .
   Web of Science ®Google Scholar
• Snedecor , G. W. and Cochran , W. G. 1994 . Statistical Methods. , 8th Ed. , Iowa, , USA : Iowa State Univ. .
   Google Scholar
• Wadhwa , M. , Kaushal , S. and Bakshi , M. P. S. 2006 . Nutritive evaluation of vegetable waste as complete feed for goat bucks . Small Rumin. Res. , 64 : 279 – 284 .
   Web of Science ®Google Scholar
• Xue , G. P. , Snoswell , A. M. and Fishlock , R. C. 1988 . Quantitative study on creatine metabolism in sheep tissues . Biochem. Internat , 16 : 623 – 627 .
   PubMedGoogle Scholar
• Yanez Ruiz , D. R. , Moumen , A. , Martin Garcia , A. I. and Molina Alcaide , E. 2004 . Ruminal fermentation and degradation patterns, protozoa population and urinary purine derivatives excretion in goats and wethers fed diets based on two stage olive cake: Effect of PEG supply . J. Anim. Sci , 82 : 2023 – 2032 .
   PubMed Web of Science ®Google Scholar
• Young , E. G. and Conway , C. F. 1942 . On the estimation of allantoin by Rimini-Schryver reaction . J. Biol. Chem. , 142 : 839 – 852 .
   Google Scholar