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Volumn 87, Issue 7, 2004, Pages 2211-2221

A comparison of purine derivatives excretion with conventional methods as indices of microbial yield in dairy cows

Author keywords

Dairy cow; Microbial synthesis; Milk; Purine derivative

Indexed keywords

ANIMALIA; BACTERIA (MICROORGANISMS); BOS TAURUS; PROTOZOA;

EID: 3242743127     PISSN: 00220302     EISSN: None     Source Type: Journal    
DOI: 10.3168/jds.S0022-0302(04)70041-7     Document Type: Article
Times cited : (49)

References (54)
  • 1
    • 0027584116 scopus 로고
    • Non-structural carbohydrate and protein effects on rumen fermentation, nutrient flow and performance of dairy cows
    • Aldrich, J. M., L. D. Muller, and G. A. Varga. 1993. Non-structural carbohydrate and protein effects on rumen fermentation, nutrient flow and performance of dairy cows. J. Dairy Sci. 76:1091-1105.
    • (1993) J. Dairy Sci. , vol.76 , pp. 1091-1105
    • Aldrich, J.M.1    Muller, L.D.2    Varga, G.A.3
  • 3
    • 85030820011 scopus 로고
    • CAB Commonwealth Agricultural Bureaux, England
    • ARC. 1984. The Nutrient Requirement of Ruminant Livestock, Suppl. 1. CAB Commonwealth Agricultural Bureaux, England.
    • (1984) The Nutrient Requirement of Ruminant Livestock , Issue.1 SUPPL.
  • 5
    • 84974277691 scopus 로고
    • Urinary excretion of allantoin and allantoin precursors by sheep after different rates of purine infusion into the duodenum
    • Camb.
    • Balcells, J., J. A. Guada, C. Castrillo, and J. Gasa. 1991. Urinary excretion of allantoin and allantoin precursors by sheep after different rates of purine infusion into the duodenum. J. Agric. Sci. (Camb.). 116:309-317.
    • (1991) J. Agric. Sci. , vol.116 , pp. 309-317
    • Balcells, J.1    Guada, J.A.2    Castrillo, C.3    Gasa, J.4
  • 6
    • 0026544576 scopus 로고
    • Simultaneous determination of allantoin and oxypurines in biological fluids by high-performance liquid chromatography
    • Balcells, J., J. A. Guada, J. M. Peiró, and D. S. Parker. 1992b. Simultaneous determination of allantoin and oxypurines in biological fluids by high-performance liquid chromatography. J. Chromatogr. 575:153-157.
    • (1992) J. Chromatogr. , vol.575 , pp. 153-157
    • Balcells, J.1    Guada, J.A.2    Peiró, J.M.3    Parker, D.S.4
  • 7
    • 0026568854 scopus 로고
    • Purine metabolite concentrations in portal and peripheral blood of steers, sheep and rats
    • Balcells, J., D. S. Parker, and C. J. Seal. 1992a. Purine metabolite concentrations in portal and peripheral blood of steers, sheep and rats. Comp. Biochem. Physiol. 101B:633-636.
    • (1992) Comp. Biochem. Physiol. , vol.101 B , pp. 633-636
    • Balcells, J.1    Parker, D.S.2    Seal, C.J.3
  • 8
    • 0015429532 scopus 로고
    • The effect in sheep of the physical form and stage of growth on the sites of digestion of dried grass. 1. Sites of absorption of organic matter, energy and carbohydrates
    • Beever, D. E., J. F. Coelho da Silva, J. H. D. Prescott, and D. G. Armstrong. 1972. The effect in sheep of the physical form and stage of growth on the sites of digestion of dried grass. 1. Sites of absorption of organic matter, energy and carbohydrates. Br. J. Nutr. 28:347-356.
    • (1972) Br. J. Nutr. , vol.28 , pp. 347-356
    • Beever, D.E.1    Coelho Da Silva, J.F.2    Prescott, J.H.D.3    Armstrong, D.G.4
  • 10
    • 0017836783 scopus 로고
    • The effect of partially replacing urea nitrogen with protein N on N capture in the rumen of sheep fed a purified diet
    • Ben-Ghedalia, D. J., N. P. McMeniman, and D. G. Armstrong. 1978. The effect of partially replacing urea nitrogen with protein N on N capture in the rumen of sheep fed a purified diet. Br. J. Nutr. 39:37-44.
    • (1978) Br. J. Nutr. , vol.39 , pp. 37-44
    • Ben-Ghedalia, D.J.1    McMeniman, N.P.2    Armstrong, D.G.3
  • 11
    • 0004156603 scopus 로고
    • Reinhold Publishing Corporation, New York, NY
    • Brody, S. 1945. Bioenergetics and Growth. Reinhold Publishing Corporation, New York, NY.
    • (1945) Bioenergetics and Growth
    • Brody, S.1
  • 12
    • 0018488363 scopus 로고
    • Ruminal nitrogen metabolism and the passage of amino acids to the duodenum in sheep receiving diets containing hay and concentrates in various proportions
    • Chanberlain, D. G., and P. C. Thomas. 1979. Ruminal nitrogen metabolism and the passage of amino acids to the duodenum in sheep receiving diets containing hay and concentrates in various proportions. J. Sci. Food Agric. 30:677-686.
    • (1979) J. Sci. Food Agric. , vol.30 , pp. 677-686
    • Chanberlain, D.G.1    Thomas, P.C.2
  • 13
    • 33646400526 scopus 로고
    • Modified reagents for determination of urea and ammonia
    • Chaney, A. L., and E. P. Marbach. 1962. Modified reagents for determination of urea and ammonia. Clin. Chem. 8:130-132.
    • (1962) Clin. Chem. , vol.8 , pp. 130-132
    • Chaney, A.L.1    Marbach, E.P.2
  • 14
    • 84971808919 scopus 로고
    • Excretion of purine derivatives by ruminants: Effect of exogenous nucleic acid supply on purine derivative excretion by sheep
    • Chen, X. B., F. D. DeB. Hovell, E. R. Ørskov, and D. S. Brown. 1990. Excretion of purine derivatives by ruminants: Effect of exogenous nucleic acid supply on purine derivative excretion by sheep. Br. J. Nutr. 63:131-142.
    • (1990) Br. J. Nutr. , vol.63 , pp. 131-142
    • Chen, X.B.1    Hovell, F.D.D.B.2    Ørskov, E.R.3    Brown, D.S.4
  • 15
    • 0004794709 scopus 로고
    • Rumen entodiniomorphid protozoa
    • E. R. Taylor and J. R. Barker, ed. Academic Press, New York, NY
    • Coleman, G. S. 1978. Rumen entodiniomorphid protozoa. Pages 39-54 in Methods of Cultivating Parasites In Vitro. E. R. Taylor and J. R. Barker, ed. Academic Press, New York, NY.
    • (1978) Methods of Cultivating Parasites in Vitro , pp. 39-54
    • Coleman, G.S.1
  • 16
    • 0030080017 scopus 로고    scopus 로고
    • Effects of the composition of grass silages on milk production and nitrogen utilization by dairy cows
    • Dewhurst, R. J., A. M. Mitton, N. M. Offer, and C. Thomas. 1996. Effects of the composition of grass silages on milk production and nitrogen utilization by dairy cows. Anim. Sci. 62:25-34.
    • (1996) Anim. Sci. , vol.62 , pp. 25-34
    • Dewhurst, R.J.1    Mitton, A.M.2    Offer, N.M.3    Thomas, C.4
  • 17
    • 0002552216 scopus 로고
    • The use of markers to partition digestion within the gastrointestinal tract of ruminants
    • I. W. McDonald and A. C. I. Warner, ed. University of New England Publishing Unit, Armidale, Australia
    • Faichney, G. J. 1975. The use of markers to partition digestion within the gastrointestinal tract of ruminants. Pages 277-291 in Digestion and Metabolism in Ruminant. I. W. McDonald and A. C. I. Warner, ed. University of New England Publishing Unit, Armidale, Australia.
    • (1975) Digestion and Metabolism in Ruminant , pp. 277-291
    • Faichney, G.J.1
  • 18
    • 0000080376 scopus 로고
    • Measurement in sheep of the quantity and composition of rumen digesta and of the fractional outflow rates of digesta constituents
    • Faichney, G. J. 1980. Measurement in sheep of the quantity and composition of rumen digesta and of the fractional outflow rates of digesta constituents. Austr. J. Agric. Res. 31:1129-1137.
    • (1980) Austr. J. Agric. Res. , vol.31 , pp. 1129-1137
    • Faichney, G.J.1
  • 19
    • 0026932058 scopus 로고
    • Quantification of intraruminal recycling of microbial nitrogen using Nitrogen-15
    • Firkins, J. L., W. P. Weiss, and E. J. Piwonka. 1992. Quantification of intraruminal recycling of microbial nitrogen using Nitrogen-15. J. Anim. Sci. 70:3223-3233.
    • (1992) J. Anim. Sci. , vol.70 , pp. 3223-3233
    • Firkins, J.L.1    Weiss, W.P.2    Piwonka, E.J.3
  • 20
    • 0028488480 scopus 로고
    • Mammary and renal excretion of purine metabolites in relation energy intake and milk yield in dairy cows
    • Giesecke, D. J., L. Ehrentreich, and M. Staingassinger. 1994. Mammary and renal excretion of purine metabolites in relation energy intake and milk yield in dairy cows. J. Dairy Sci. 77:2376-2381.
    • (1994) J. Dairy Sci. , vol.77 , pp. 2376-2381
    • Giesecke, D.J.1    Ehrentreich, L.2    Staingassinger, M.3
  • 21
    • 0003056574 scopus 로고
    • Forage fiber analysis
    • Agricultural Research Service. US Department of Agriculture, Washington, DC
    • Goering, H. K., and P. J. Van Soest. 1970. Forage fiber analysis. Agricultural Research Service. Agricultural Handbook No. 379. US Department of Agriculture, Washington, DC.
    • (1970) Agricultural Handbook No. 379
    • Goering, H.K.1    Van Soest, P.J.2
  • 22
    • 0002048446 scopus 로고    scopus 로고
    • The effect of roughage to concentrate ratio in the diet on nitrogen and purine metabolism in dairy cows
    • Gonda, H. L., M. Emanuelson, and M. Murphy. 1996. The effect of roughage to concentrate ratio in the diet on nitrogen and purine metabolism in dairy cows. Anim. Feed Sci. Technol. 64:27-42.
    • (1996) Anim. Feed Sci. Technol. , vol.64 , pp. 27-42
    • Gonda, H.L.1    Emanuelson, M.2    Murphy, M.3
  • 23
    • 0031067312 scopus 로고    scopus 로고
    • Effect of diet on milk allantoin and its relationship with urinary allantoin in dairy cows
    • Gonda, H. L., and J. E. Lindberg. 1997. Effect of diet on milk allantoin and its relationship with urinary allantoin in dairy cows. J. Dairy Sci. 80:364-373.
    • (1997) J. Dairy Sci. , vol.80 , pp. 364-373
    • Gonda, H.L.1    Lindberg, J.E.2
  • 24
    • 0038749383 scopus 로고    scopus 로고
    • Purine derivatives excretion in dairy cows: Endogenous excretion and the effect of exogenous nucleic acid supply
    • González-Ronquillo, M., J. Balcells, J. A. Guada, and F. Vicente. 2003. Purine derivatives excretion in dairy cows: Endogenous excretion and the effect of exogenous nucleic acid supply. J. Dairy Sci. 86:1282-1291.
    • (2003) J. Dairy Sci. , vol.86 , pp. 1282-1291
    • González-Ronquillo, M.1    Balcells, J.2    Guada, J.A.3    Vicente, F.4
  • 25
    • 0001656176 scopus 로고
    • Volatile fatty acid and alcohol determination in digestive contents, silage juices, bacterial cultures and anaerobic fermenter contents
    • Jouany, J. P. 1982. Volatile fatty acid and alcohol determination in digestive contents, silage juices, bacterial cultures and anaerobic fermenter contents. Sci. Aliment. 2:131-144.
    • (1982) Sci. Aliment. , vol.2 , pp. 131-144
    • Jouany, J.P.1
  • 26
    • 0025236580 scopus 로고
    • Refinements of assay for low concentrations of inulin in serum
    • Jung, K., S. Klozet, and B. Schulze. 1990. Refinements of assay for low concentrations of inulin in serum. Nephron 54:360-361.
    • (1990) Nephron , vol.54 , pp. 360-361
    • Jung, K.1    Klozet, S.2    Schulze, B.3
  • 27
    • 0031993906 scopus 로고    scopus 로고
    • The effects of concentrate source on silage intake and animal performance with lactating dairy cows offered a range of grass silages
    • Keady, T. W., C. S. Mayne, and M. Marsden. 1998. The effects of concentrate source on silage intake and animal performance with lactating dairy cows offered a range of grass silages. Anim. Sci. 66:21-33.
    • (1998) Anim. Sci. , vol.66 , pp. 21-33
    • Keady, T.W.1    Mayne, C.S.2    Marsden, M.3
  • 28
    • 0024658171 scopus 로고
    • Distribution of bacteria in the rumen contents of dairy cows given a diet supplemented with soya-bean oil
    • Legay-Carmier, F., and D. Bauchart. 1989. Distribution of bacteria in the rumen contents of dairy cows given a diet supplemented with soya-bean oil. Br. J. Nutr. 61:725-740.
    • (1989) Br. J. Nutr. , vol.61 , pp. 725-740
    • Legay-Carmier, F.1    Bauchart, D.2
  • 29
    • 0028541082 scopus 로고
    • Isolation and characteristics of the protozoal and bacterial fractions from bovine ruminal contents
    • Martin, C., A. G. Williams, and B. Michalet-Doreau. 1994. Isolation and characteristics of the protozoal and bacterial fractions from bovine ruminal contents. J. Anim. Sci. 72:2962-2968.
    • (1994) J. Anim. Sci. , vol.72 , pp. 2962-2968
    • Martin, C.1    Williams, A.G.2    Michalet-Doreau, B.3
  • 30
    • 0034731278 scopus 로고    scopus 로고
    • Microbial nitrogen production in growing heifers: Direct measurement of duodenal flow of purine bases versus urinary excretion of purine derivatives as estimation procedures
    • Martín-Orúe, S. M., J. Balcells, J. A. Guada, and M. Fondevila. 2000a. Microbial nitrogen production in growing heifers: direct measurement of duodenal flow of purine bases versus urinary excretion of purine derivatives as estimation procedures. Anim. Feed Sci. Technol. 88:171-188.
    • (2000) Anim. Feed Sci. Technol. , vol.88 , pp. 171-188
    • Martín-Orúe, S.M.1    Balcells, J.2    Guada, J.A.3    Fondevila, M.4
  • 31
    • 0034736252 scopus 로고    scopus 로고
    • Influence of dietary rumen-degradable protein supply on rumen characteristics and carbohydrate fermentation in beef cattle offered high-grain diets
    • Martín-Orúe, S. M., J. Balcells, F. Vicente, and C. Castrillo. 2000b. Influence of dietary rumen-degradable protein supply on rumen characteristics and carbohydrate fermentation in beef cattle offered high-grain diets. Anim. Feed Sci. Technol. 88:59-77.
    • (2000) Anim. Feed Sci. Technol. , vol.88 , pp. 59-77
    • Martín-Orúe, S.M.1    Balcells, J.2    Vicente, F.3    Castrillo, C.4
  • 32
    • 0001036219 scopus 로고    scopus 로고
    • Quantification and chemical composition of mixed bacteria harvested from solid fractions of rumen digesta: Effect of detachment procedure
    • Martín-Orúe, S. M., J. Balcells, F. Zakraoui, and C. Castrillo. 1998. Quantification and chemical composition of mixed bacteria harvested from solid fractions of rumen digesta: Effect of detachment procedure. Anim. Feed Sci. Technol. 71:269-282.
    • (1998) Anim. Feed Sci. Technol. , vol.71 , pp. 269-282
    • Martín-Orúe, S.M.1    Balcells, J.2    Zakraoui, F.3    Castrillo, C.4
  • 33
    • 0000383459 scopus 로고    scopus 로고
    • Purine derivatives excretion in lactating ewes fed straw diets with different levels of fishmeal
    • Martín-Orúe, S. M., C. Dapoza, J. Balcells, and C. Castrillo. 1996. Purine derivatives excretion in lactating ewes fed straw diets with different levels of fishmeal. Anim. Feed Sci. Technol. 63:341-346.
    • (1996) Anim. Feed Sci. Technol. , vol.63 , pp. 341-346
    • Martín-Orúe, S.M.1    Dapoza, C.2    Balcells, J.3    Castrillo, C.4
  • 35
    • 0033227960 scopus 로고    scopus 로고
    • Feasibility of using total purines as a marker for ruminal bacteria
    • Obispo, N. E., and B. A. Dehority. 1999. Feasibility of using total purines as a marker for ruminal bacteria. J. Anim. Sci. 77:3084-3095.
    • (1999) J. Anim. Sci. , vol.77 , pp. 3084-3095
    • Obispo, N.E.1    Dehority, B.A.2
  • 36
    • 0035099407 scopus 로고    scopus 로고
    • Excretion of purine derivatives in cows: Endogenous contribution and recovery of exogenous purine bases
    • Orellana-Boero, P., J. Balcells, S. M. Martín-Orúe, J. B. Liang, and J. A. Guada. 2001. Excretion of purine derivatives in cows: Endogenous contribution and recovery of exogenous purine bases. Livest. Prod. Sci. 68:243-250.
    • (2001) Livest. Prod. Sci. , vol.68 , pp. 243-250
    • Orellana-Boero, P.1    Balcells, J.2    Martín-Orúe, S.M.3    Liang, J.B.4    Guada, J.A.5
  • 37
    • 0026091116 scopus 로고
    • Extraction of xanthine oxidase from milk by counter-current distribution in an aqueous two-phase system
    • Ortín, A., M. J. López-Pérez, M. T. Muiño Blanco, and J. A. Cebrián Pérez. 1991. Extraction of xanthine oxidase from milk by counter-current distribution in an aqueous two-phase system. J. Chromatogr. 558:357-367.
    • (1991) J. Chromatogr. , vol.558 , pp. 357-367
    • Ortín, A.1    López-Pérez, M.J.2    Muiño Blanco, M.T.3    Cebrián Pérez, J.A.4
  • 38
    • 0030025787 scopus 로고    scopus 로고
    • Determination of rumen microbial nitrogen production in sheep: A comparison of urinary purine excretion with methods using 15N and purine bases as markers of microbial-nitrogen entering the duodenum
    • Pérez, J. F., J. Balcells, J. A. Guada, and C. Castrillo. 1996a. Determination of rumen microbial nitrogen production in sheep: A comparison of urinary purine excretion with methods using 15N and purine bases as markers of microbial-nitrogen entering the duodenum. Br. J. Nutr. 75:699-709.
    • (1996) Br. J. Nutr. , vol.75 , pp. 699-709
    • Pérez, J.F.1    Balcells, J.2    Guada, J.A.3    Castrillo, C.4
  • 39
    • 0031256250 scopus 로고    scopus 로고
    • Rumen microbial production estimated either from urinary purine derivative excretion or from direct measurements of 15N and purine bases as microbial markers: Effect of protein source and rumen bacteria isolates
    • Pérez, J. F., J. Balcells, J. A. Guada, and C. Castrillo. 1996b. Rumen microbial production estimated either from urinary purine derivative excretion or from direct measurements of 15N and purine bases as microbial markers: Effect of protein source and rumen bacteria isolates. Anim. Sci. 65:225-237.
    • (1996) Anim. Sci. , vol.65 , pp. 225-237
    • Pérez, J.F.1    Balcells, J.2    Guada, J.A.3    Castrillo, C.4
  • 40
    • 0037456553 scopus 로고    scopus 로고
    • Absorption of nucleic acid in the small intestines of swamp buffaloes and Kedah-kelantan cattle
    • Pimpa, O., J. B. Liang, J. Balcells, Z. A. Jelan, and N. Abdullah. 2003. Absorption of nucleic acid in the small intestines of swamp buffaloes and Kedah-kelantan cattle. Anim. Feed Sci. Technol. 104:191-199.
    • (2003) Anim. Feed Sci. Technol. , vol.104 , pp. 191-199
    • Pimpa, O.1    Liang, J.B.2    Balcells, J.3    Jelan, Z.A.4    Abdullah, N.5
  • 41
    • 0037866668 scopus 로고    scopus 로고
    • Diet and procedures used to detach particle-associated microbes from ruminal digesta influence chemical composition of microbes and estimation of microbial growth in Rusitec fermenters
    • Ranilla, M. J., and M. D. Carro. 2003. Diet and procedures used to detach particle-associated microbes from ruminal digesta influence chemical composition of microbes and estimation of microbial growth in Rusitec fermenters. J. Anim. Sci. 81:535-544.
    • (2003) J. Anim. Sci. , vol.81 , pp. 535-544
    • Ranilla, M.J.1    Carro, M.D.2
  • 43
    • 0037166084 scopus 로고    scopus 로고
    • Effect of forage conservation method, concentrate level and propylene glycol on diet digestibility, rumen fermentation, blood metabolite concentrations and nutrient utilisation of dairy cows
    • Shingfield, K., S. Jaakkola, and P. Huhtanen. 2002. Effect of forage conservation method, concentrate level and propylene glycol on diet digestibility, rumen fermentation, blood metabolite concentrations and nutrient utilisation of dairy cows. Anim. Feed Sci. Technol. 97:1-21.
    • (2002) Anim. Feed Sci. Technol. , vol.97 , pp. 1-21
    • Shingfield, K.1    Jaakkola, S.2    Huhtanen, P.3
  • 44
    • 0040084502 scopus 로고    scopus 로고
    • Evaluation of the spot urine sampling technique to assess urinary purine derivative excretion in lactating dairy cows
    • Shingfield, K. J., and N. W. Offer. 1998. Evaluation of the spot urine sampling technique to assess urinary purine derivative excretion in lactating dairy cows. Anim. Sci. 66:557-568.
    • (1998) Anim. Sci. , vol.66 , pp. 557-568
    • Shingfield, K.J.1    Offer, N.W.2
  • 45
    • 0022244272 scopus 로고
    • Ytterbium acetate as a particulate phase digesta flow marker
    • Siddons, R. C., J. Paradine, D. E. Beever, and P. R. Cornell. 1985. Ytterbium acetate as a particulate phase digesta flow marker. Br. J. Nutr. 54:509-519.
    • (1985) Br. J. Nutr. , vol.54 , pp. 509-519
    • Siddons, R.C.1    Paradine, J.2    Beever, D.E.3    Cornell, P.R.4
  • 46
    • 0021031126 scopus 로고
    • The nutritive value of rumen microorganisms in ruminant. 1. Large scale isolation and chemical composition of rumen microorganism
    • Storm, E., and E. R. Ørskov. 1983. The nutritive value of rumen microorganisms in ruminant. 1. Large scale isolation and chemical composition of rumen microorganism. Br. J. Nutr. 50:463-470.
    • (1983) Br. J. Nutr. , vol.50 , pp. 463-470
    • Storm, E.1    Ørskov, E.R.2
  • 47
    • 0001682186 scopus 로고
    • Nitrogen balance and partitioning of some nitrogen catabolites in milk and urine of lactating cows
    • Susmel, P., M. Sphangero, B. Stefanon, and C. R. Mills. 1995. Nitrogen balance and partitioning of some nitrogen catabolites in milk and urine of lactating cows. Livest. Prod. Sci. 44:207-219.
    • (1995) Livest. Prod. Sci. , vol.44 , pp. 207-219
    • Susmel, P.1    Sphangero, M.2    Stefanon, B.3    Mills, C.R.4
  • 48
    • 38149147723 scopus 로고
    • Digestibility and allantoin excretion in cow fed diets differing in nitrogen content
    • Susmel, P., M. Sphangero, B. Stefanon, C. R. Mills, and E. Plazzotta. 1994. Digestibility and allantoin excretion in cow fed diets differing in nitrogen content. Livest. Prod. Sci. 39:97-99.
    • (1994) Livest. Prod. Sci. , vol.39 , pp. 97-99
    • Susmel, P.1    Sphangero, M.2    Stefanon, B.3    Mills, C.R.4    Plazzotta, E.5
  • 49
    • 0021416915 scopus 로고
    • Metabolites of nucleic acids in bovine milk
    • Tiemeyer, W., M. Stohrer, and D. Giesecke. 1984. Metabolites of nucleic acids in bovine milk. J. Dairy Sci. 67:723-728.
    • (1984) J. Dairy Sci. , vol.67 , pp. 723-728
    • Tiemeyer, W.1    Stohrer, M.2    Giesecke, D.3
  • 50
    • 0031203181 scopus 로고    scopus 로고
    • Excretion of purine derivatives by Holstein cows abomasally infused with incremental amounts of purines
    • Vagnoni, D. B., G. A. Broderick, M. K. Clayton, and R. D. Hatfield. 1997. Excretion of purine derivatives by Holstein cows abomasally infused with incremental amounts of purines. J. Dairy Sci. 80:1695-1702.
    • (1997) J. Dairy Sci. , vol.80 , pp. 1695-1702
    • Vagnoni, D.B.1    Broderick, G.A.2    Clayton, M.K.3    Hatfield, R.D.4
  • 51
    • 0000979087 scopus 로고
    • Excretion of purine derivatives by ruminants. Effect of microbial nucleic acid infusion on purine derivative excretion by steers
    • Camb.
    • Verbic, J., X. B. Chen, N. A. McLeod, and E. R. Ørskov. 1990. Excretion of purine derivatives by ruminants. Effect of microbial nucleic acid infusion on purine derivative excretion by steers. J. Agric. Sci. (Camb.) 114:243-248.
    • (1990) J. Agric. Sci. , vol.114 , pp. 243-248
    • Verbic, J.1    Chen, X.B.2    McLeod, N.A.3    Ørskov, E.R.4
  • 52
    • 0033160368 scopus 로고    scopus 로고
    • Effects of level of feeding and ruminally undegraded protein on ruminal bacterial protein synthesis, escape of dietary protein, intestinal amino acid profile, and performance of dairy cows
    • Volden, H. 1999. Effects of level of feeding and ruminally undegraded protein on ruminal bacterial protein synthesis, escape of dietary protein, intestinal amino acid profile, and performance of dairy cows. J. Anim. Sci. 77:1905-1918.
    • (1999) J. Anim. Sci. , vol.77 , pp. 1905-1918
    • Volden, H.1
  • 53
    • 0032017907 scopus 로고    scopus 로고
    • Effects of rumen-undegradable protein and feed intake on nitrogen balance and milk protein production in dairy cows
    • Wright, T. C., S. Moscardini, P. H. Luimes, P. Susmel, and B. W. McBride. 1998. Effects of rumen-undegradable protein and feed intake on nitrogen balance and milk protein production in dairy cows. J. Dairy Sci. 81:784-793.
    • (1998) J. Dairy Sci. , vol.81 , pp. 784-793
    • Wright, T.C.1    Moscardini, S.2    Luimes, P.H.3    Susmel, P.4    McBride, B.W.5
  • 54
    • 0031254579 scopus 로고    scopus 로고
    • Comparision of hull-less barley, barley, or corn for lactating cows: Effects on extent of digestion and milk production
    • Yang, W. Z., K. A. Beauchemin, K. M. Koening, and L. M. Rode. 1997. Comparision of hull-less barley, barley, or corn for lactating cows: Effects on extent of digestion and milk production. J. Dairy Sci. 80:2475-2486.
    • (1997) J. Dairy Sci. , vol.80 , pp. 2475-2486
    • Yang, W.Z.1    Beauchemin, K.A.2    Koening, K.M.3    Rode, L.M.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.