-
1
-
-
0004202155
-
-
AOAC, 15th ed. Assoc. Off. Anal. Chem, Arlington, VA
-
AOAC. 1990. Official Methods of Analysis. 15th ed. Assoc. Off. Anal. Chem., Arlington, VA.
-
(1990)
Official Methods of Analysis
-
-
-
2
-
-
33644876943
-
Nitrogen metabolism in the rumen
-
Bach, A., S. Calsamiglia, and M. D. Stern. 2005. Nitrogen metabolism in the rumen. J. Dairy Sci. 88(E Suppl.):E9-E21.
-
(2005)
J. Dairy Sci
, vol.88
, Issue.E SUPPL.
-
-
Bach, A.1
Calsamiglia, S.2
Stern, M.D.3
-
3
-
-
33746808593
-
Effect of urinary collection days, concentrate levels and protein sources on creatinine, urea and purine derivatives excretions and microbial protein synthesis in Nellore cattle
-
Barbosa, A. M., R. F. D. Valadares, S. C. Valadares Filho, R. M. L. Veras, E. Detmann, M. F. F. Paulino, M. I. Marcondes, and M. A. de Souza. 2006. Effect of urinary collection days, concentrate levels and protein sources on creatinine, urea and purine derivatives excretions and microbial protein synthesis in Nellore cattle. Rev. Bras. Zootec. 35:870-877.
-
(2006)
Rev. Bras. Zootec
, vol.35
, pp. 870-877
-
-
Barbosa, A.M.1
Valadares, R.F.D.2
Valadares Filho, S.C.3
Veras, R.M.L.4
Detmann, E.5
Paulino, M.F.F.6
Marcondes, M.I.7
de Souza, M.A.8
-
4
-
-
0025321505
-
Energy contributions of volatile fatty acids from the gastrointestinal tract in various species
-
Bergman, E. N. 1990. Energy contributions of volatile fatty acids from the gastrointestinal tract in various species. Physiol. Rev. 70:567-590.
-
(1990)
Physiol. Rev
, vol.70
, pp. 567-590
-
-
Bergman, E.N.1
-
5
-
-
0028506659
-
Nonstructural carbohydrate and undegradable protein sources in the diet: Growth responses of dairy heifers
-
Casper, D. P., D. J. Schingoethe, M. J. Brouk, and H. A. Maiga. 1994. Nonstructural carbohydrate and undegradable protein sources in the diet: growth responses of dairy heifers. J. Dairy Sci. 77:2595-2604.
-
(1994)
J. Dairy Sci
, vol.77
, pp. 2595-2604
-
-
Casper, D.P.1
Schingoethe, D.J.2
Brouk, M.J.3
Maiga, H.A.4
-
6
-
-
0026161462
-
Effects of dietary energy level and protein source on nutrient digestion and ruminal nitrogen metabolism in steers
-
Cecava, M. J., N. R. Merchen, L. L. Berger, R. L. Mackie, and G. C. Fahey Jr. 1991. Effects of dietary energy level and protein source on nutrient digestion and ruminal nitrogen metabolism in steers. J. Anim. Sci. 69:2230-2243.
-
(1991)
J. Anim. Sci
, vol.69
, pp. 2230-2243
-
-
Cecava, M.J.1
Merchen, N.R.2
Berger, L.L.3
Mackie, R.L.4
Fahey Jr., G.C.5
-
7
-
-
0025490742
-
Effect of energy level and feeding frequency on site of digestion and postruminal nutrient flows in steers
-
Cecava, M. J., N. R. Merchen, L. L. Berger, and D. R. Nelson. 1990a. Effect of energy level and feeding frequency on site of digestion and postruminal nutrient flows in steers. J. Dairy Sci. 73:2470-2479.
-
(1990)
J. Dairy Sci
, vol.73
, pp. 2470-2479
-
-
Cecava, M.J.1
Merchen, N.R.2
Berger, L.L.3
Nelson, D.R.4
-
8
-
-
0025489744
-
Composition of ruminai bacteria harvested from steers as influenced by dietary energy level, feeding frequency, and isolation techniques
-
Cecava, M. J., N. R. Merchen, L. C. Gay, and L. L. Berger. 1990b. Composition of ruminai bacteria harvested from steers as influenced by dietary energy level, feeding frequency, and isolation techniques. J. Dairy Sci. 73:2480-2488.
-
(1990)
J. Dairy Sci
, vol.73
, pp. 2480-2488
-
-
Cecava, M.J.1
Merchen, N.R.2
Gay, L.C.3
Berger, L.L.4
-
9
-
-
84972003222
-
Effect of feeding frequency on diurnal variation in plasma and urinary purine derivatives in steers
-
Chen, X. B., G. Grubic, E. R. Orskov, and P. Osuji. 1992. Effect of feeding frequency on diurnal variation in plasma and urinary purine derivatives in steers. Anim. Prod. 55:185-191.
-
(1992)
Anim. Prod
, vol.55
, pp. 185-191
-
-
Chen, X.B.1
Grubic, G.2
Orskov, E.R.3
Osuji, P.4
-
10
-
-
0028820921
-
Evaluation of the use of the purine derivativexreatinine ratio in spot urine and plasma samples as an index of microbial protein supply in ruminants: Studies in sheep
-
Chen, X. B., A. T. Mejia, D. J. Kyle, and E. R. Orskov. 1995. Evaluation of the use of the purine derivativexreatinine ratio in spot urine and plasma samples as an index of microbial protein supply in ruminants: Studies in sheep. J. Agric. Sci. 125:137-143.
-
(1995)
J. Agric. Sci
, vol.125
, pp. 137-143
-
-
Chen, X.B.1
Mejia, A.T.2
Kyle, D.J.3
Orskov, E.R.4
-
11
-
-
33644819776
-
-
International Feed Research Unit, Aberdeen, United Kingdom
-
Chen, X. B., and E. R. Orskov. 2003. Research on urinary excretion of purine derivatives on ruminants: Past, present and future. International Feed Research Unit, Aberdeen, United Kingdom.
-
(2003)
Research on urinary excretion of purine derivatives on ruminants: Past, present and future
-
-
Chen, X.B.1
Orskov, E.R.2
-
12
-
-
37549042429
-
-
Chizzotti, M. L., S. C. Valadares Filho, R. F. D. Valadares, F. H. M. Chizzotti, and L. O. Tedeschi. 2008. Determination of creatinine excretion and evaluation of spot urine sampling in Holstein cattle. Livest. Sci. 113:218-225.
-
Chizzotti, M. L., S. C. Valadares Filho, R. F. D. Valadares, F. H. M. Chizzotti, and L. O. Tedeschi. 2008. Determination of creatinine excretion and evaluation of spot urine sampling in Holstein cattle. Livest. Sci. 113:218-225.
-
-
-
-
13
-
-
0026905680
-
Microbial protein synthesis and flows of nitrogen fractions to the duodenum of dairy cows
-
Clark, J. H., T. H. Klusmeyer, and M. R. Cameron. 1992. Microbial protein synthesis and flows of nitrogen fractions to the duodenum of dairy cows. J. Dairy Sci. 75:2304-2323.
-
(1992)
J. Dairy Sci
, vol.75
, pp. 2304-2323
-
-
Clark, J.H.1
Klusmeyer, T.H.2
Cameron, M.R.3
-
14
-
-
0034202809
-
Effects of protein concentration and degradability on performance, ruminal fermentation, and nitrogen metabolism in rapidly growing heifers fed high concentrate diets from 100 to 230 kg body weight
-
Devant, M., A. Ferret, J. Gasa, S. Calsamiglia, and R. Casals. 2000. Effects of protein concentration and degradability on performance, ruminal fermentation, and nitrogen metabolism in rapidly growing heifers fed high concentrate diets from 100 to 230 kg body weight. J. Anim. Sci. 78:1667-1676.
-
(2000)
J. Anim. Sci
, vol.78
, pp. 1667-1676
-
-
Devant, M.1
Ferret, A.2
Gasa, J.3
Calsamiglia, S.4
Casals, R.5
-
15
-
-
33645232225
-
Integration of ruminal metabolism in dairy cattle
-
Firkins, J. L., A. N. Hristov, M. B. Hall, G. A. Varga, and N. R. StPierre. 2006. Integration of ruminal metabolism in dairy cattle. J. Dairy Sci. 89(E Suppl.):E31-E51.
-
(2006)
J. Dairy Sci
, vol.89
, Issue.E SUPPL.
-
-
Firkins, J.L.1
Hristov, A.N.2
Hall, M.B.3
Varga, G.A.4
StPierre, N.R.5
-
16
-
-
0028488480
-
Mammary and renal excretion of purine metabolites in relation to energy intake and milk yield in dairy cows
-
Giesecke, D., L. Ehrentreich, and M. Stangassinger. 1994. Mammary and renal excretion of purine metabolites in relation to 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.1
Ehrentreich, L.2
Stangassinger, M.3
-
17
-
-
3242743127
-
A Comparison of purine derivates excretion with conventional methods as indices of microbial yield in dairy cows
-
González-Ronquillo, M., J. Balcells, A. Belenguer, C. Castrillo, and M. Mota. 2004. A Comparison of purine derivates excretion with conventional methods as indices of microbial yield in dairy cows. J. Dairy Sci. 87:2211-2221.
-
(2004)
J. Dairy Sci
, vol.87
, pp. 2211-2221
-
-
González-Ronquillo, M.1
Balcells, J.2
Belenguer, A.3
Castrillo, C.4
Mota, M.5
-
18
-
-
0027550639
-
Diurnal variation of rumen ammonia, serum urea, and milk urea in dairy cows at high and low yields
-
Gustafsson, A. H., and D. L. Palmquist. 1993. Diurnal variation of rumen ammonia, serum urea, and milk urea in dairy cows at high and low yields. J. Dairy Sci. 76:475-484.
-
(1993)
J. Dairy Sci
, vol.76
, pp. 475-484
-
-
Gustafsson, A.H.1
Palmquist, D.L.2
-
19
-
-
34547642912
-
Calculation of non-structural carbohydrate content of feeds that contain non-protein nitrogen
-
University of Florida, Gainesville
-
Hall, M. B. 2000. Calculation of non-structural carbohydrate content of feeds that contain non-protein nitrogen. Page A-25 in Bulletin 339. University of Florida, Gainesville.
-
(2000)
Bulletin
, vol.339
-
-
Hall, M.B.1
-
20
-
-
0026236278
-
Balancing carbohydrates and protein for optimum rumen microbial yield
-
Hoover, W. H., and S. R. Stokes. 1991. Balancing carbohydrates and protein for optimum rumen microbial yield. J. Dairy Sci. 74:3630-3644.
-
(1991)
J. Dairy Sci
, vol.74
, pp. 3630-3644
-
-
Hoover, W.H.1
Stokes, S.R.2
-
21
-
-
31544461306
-
Intake and total and partial apparent digestibility of nutrients in steers fed with diets containing several levels of concentrate
-
Itavo, L. C. V., S. C. Valadares Filho, F. F. Silva, R. F. D. Valadares, M. I. Leão, P. R. Cecon, C. C. B. F. Itavo, E. H. B. K. Moraes, and P. R. V. Paulino. 2002. Intake and total and partial apparent digestibility of nutrients in steers fed with diets containing several levels of concentrate. Rev. Bras. Zootec. 31:1543-1552.
-
(2002)
Rev. Bras. Zootec
, vol.31
, pp. 1543-1552
-
-
Itavo, L.C.V.1
Valadares Filho, S.C.2
Silva, F.F.3
Valadares, R.F.D.4
Leão, M.I.5
Cecon, P.R.6
Itavo, C.C.B.F.7
Moraes, E.H.B.K.8
Paulino, P.R.V.9
-
22
-
-
62149132662
-
-
Kerscher, L., and J. Ziegenhorn. 1985. Urea. Pages 444-453 in Methods of Enzymatic Analysis. 3rd ed. H. U. Bergmeyer, ed. VCH, Deerfield Beach, FL.
-
Kerscher, L., and J. Ziegenhorn. 1985. Urea. Pages 444-453 in Methods of Enzymatic Analysis. 3rd ed. H. U. Bergmeyer, ed. VCH, Deerfield Beach, FL.
-
-
-
-
24
-
-
0006156046
-
A comparison of titanic oxide and chromic oxide as index materials for determining apparent digestibility
-
Lloyd, L. E., B. E. Betherford, and E. W. Crampton. 1955. A comparison of titanic oxide and chromic oxide as index materials for determining apparent digestibility. J. Nutr. 56:265-271.
-
(1955)
J. Nutr
, vol.56
, pp. 265-271
-
-
Lloyd, L.E.1
Betherford, B.E.2
Crampton, E.W.3
-
25
-
-
33748113106
-
Effects of dairy cow diet forage proportion on duodenal nutrient supply end urinary purine derivative excretion
-
Moorby, J. M., R. J. Dewhurst, R. T. Evans, and J. L. Danelon. 2006. Effects of dairy cow diet forage proportion on duodenal nutrient supply end urinary purine derivative excretion. J. Dairy Sci. 89:3552-3562.
-
(2006)
J. Dairy Sci
, vol.89
, pp. 3552-3562
-
-
Moorby, J.M.1
Dewhurst, R.J.2
Evans, R.T.3
Danelon, J.L.4
-
26
-
-
2342635780
-
Technical Note: A procedure for the preparation and quantitative analysis of samples for titanium dioxide
-
Myers, W. D., P. A. Ludden, V. Nayigihugu, and B. W. Hess. 2004. Technical Note: A procedure for the preparation and quantitative analysis of samples for titanium dioxide. J. Anim. Sci. 82:179-183.
-
(2004)
J. Anim. Sci
, vol.82
, pp. 179-183
-
-
Myers, W.D.1
Ludden, P.A.2
Nayigihugu, V.3
Hess, B.W.4
-
27
-
-
0343944677
-
Effect of fasting on the urinary excretion of nitrogen and purine derivatives by zebu (Bos indicus) and crossbred (Bos indicus x Bos taurus) cattle
-
Osuji, P. O., I. V. Nsahlai, and H. Khalili. 1996. Effect of fasting on the urinary excretion of nitrogen and purine derivatives by zebu (Bos indicus) and crossbred (Bos indicus x Bos taurus) cattle. J. Appl. Anim. Res. 10:39-47.
-
(1996)
J. Appl. Anim. Res
, vol.10
, pp. 39-47
-
-
Osuji, P.O.1
Nsahlai, I.V.2
Khalili, H.3
-
28
-
-
33846580152
-
Intake and total and partial digestibility of nutrients, ruminal pH and ammonia concentration and microbial efficiency in beef cattle fed with diets containing sorghum (Sorghum bicolor (L.) Moench) silage and concentrate in different ratios
-
Pereira, D. H., O. G. Pereira, B. C. Da Silva, M. I. Leao, S. C. Valadares Filho, F. H. M. Chizzotti, and R. Garcia. 2007. Intake and total and partial digestibility of nutrients, ruminal pH and ammonia concentration and microbial efficiency in beef cattle fed with diets containing sorghum (Sorghum bicolor (L.) Moench) silage and concentrate in different ratios. Livest. Sci. 107:53-61.
-
(2007)
Livest. Sci
, vol.107
, pp. 53-61
-
-
Pereira, D.H.1
Pereira, O.G.2
Da Silva, B.C.3
Leao, M.I.4
Valadares Filho, S.C.5
Chizzotti, F.H.M.6
Garcia, R.7
-
29
-
-
0010758129
-
Effect of amount and length of alfalfa hay in diets containing barley or corn on site of digestion and rumen microbial protein synthesis in dairy cows
-
Rode, L. M., and L. D. Satter. 1988. Effect of amount and length of alfalfa hay in diets containing barley or corn on site of digestion and rumen microbial protein synthesis in dairy cows. Can. J. Anim. Sci. 68:445-454.
-
(1988)
Can. J. Anim. Sci
, vol.68
, pp. 445-454
-
-
Rode, L.M.1
Satter, L.D.2
-
30
-
-
0026948044
-
A net carbohydrate and protein system for evaluating cattle diets: II. Carbohydrate and protein availability
-
Sniffen, C. J., J. D. O'Connor, P. J. Van Soest, D. G. Fox, and J. B. Russell. 1992. A net carbohydrate and protein system for evaluating cattle diets: II. Carbohydrate and protein availability. J. Anim. Sci. 70:3562-3577.
-
(1992)
J. Anim. Sci
, vol.70
, pp. 3562-3577
-
-
Sniffen, C.J.1
O'Connor, J.D.2
Van Soest, P.J.3
Fox, D.G.4
Russell, J.B.5
-
31
-
-
0001361098
-
Methods for determining and factors affecting rumen microbial protein synthesis: A review
-
Stern, M. D., and W. H. Hoover. 1979. Methods for determining and factors affecting rumen microbial protein synthesis: A review. J. Anim. Sci. 49:1590-1603.
-
(1979)
J. Anim. Sci
, vol.49
, pp. 1590-1603
-
-
Stern, M.D.1
Hoover, W.H.2
-
32
-
-
0030331230
-
A review on environmental impacts of nutritional strategies in ruminants
-
Tamminga, S. 1996. A review on environmental impacts of nutritional strategies in ruminants. J. Anim. Sci. 74:3112-3124.
-
(1996)
J. Anim. Sci
, vol.74
, pp. 3112-3124
-
-
Tamminga, S.1
-
33
-
-
34548220445
-
-
Tas, B. M., and A. Susenbeth. 2007. Urinary purine derivatives excretion as an indicator of in vivo microbial N flow in cattle: A review. Livest. Sci. 111:181-192.
-
Tas, B. M., and A. Susenbeth. 2007. Urinary purine derivatives excretion as an indicator of in vivo microbial N flow in cattle: A review. Livest. Sci. 111:181-192.
-
-
-
-
34
-
-
0035319898
-
Evaluation of titanium dioxide as a digestibility marker for cattle
-
Titgemeyer, E. C., C. K. Armendariz, D. J. Bindel, R. H. Greenwood, and C. A. Loest. 2001. Evaluation of titanium dioxide as a digestibility marker for cattle. J. Anim. Sci. 79:1059-1063.
-
(2001)
J. Anim. Sci
, vol.79
, pp. 1059-1063
-
-
Titgemeyer, E.C.1
Armendariz, C.K.2
Bindel, D.J.3
Greenwood, R.H.4
Loest, C.A.5
-
35
-
-
0022389062
-
Determination of assay parameters for RNA analysis in bacterial and duodenal samples by spectrophotometry. Influence of sample treatment and preservation
-
Ushida, K., B. Lassalas, and J. P. Jouany. 1985. Determination of assay parameters for RNA analysis in bacterial and duodenal samples by spectrophotometry. Influence of sample treatment and preservation. Reprod. Nutr. Dev. 25:1037-1046.
-
(1985)
Reprod. Nutr. Dev
, vol.25
, pp. 1037-1046
-
-
Ushida, K.1
Lassalas, B.2
Jouany, J.P.3
-
36
-
-
0033255681
-
Effect of replacing alfalfa silage with high moisture corn on ruminai protein synthesis estimated from excretion of total purine derivatives
-
Valadares, R. F. D., G. A. Broderick, S. C. Valadares Filho, and M. K. Clayton. 1999. Effect of replacing alfalfa silage with high moisture corn on ruminai protein synthesis estimated from excretion of total purine derivatives. J. Dairy Sci. 82:2686-2696.
-
(1999)
J. Dairy Sci
, vol.82
, pp. 2686-2696
-
-
Valadares, R.F.D.1
Broderick, G.A.2
Valadares Filho, S.C.3
Clayton, M.K.4
-
38
-
-
0026232176
-
Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition
-
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. 74:3583-3590.
-
(1991)
J. Dairy Sci
, vol.74
, pp. 3583-3590
-
-
Van Soest, P.J.1
Robertson, J.B.2
Lewis, B.A.3
-
39
-
-
34548439049
-
Increasing crude protein levels in diets of Nellore cattle: Intake and ruminai total tract digestibility, microbial protein synthesis, and ruminal metabolism
-
Veras, R. M. L., S. C. Valadares Filho, J. A. G. Azevedo, E. Detmann, M. F. Paulino, M. A. Fonseca, and C. B. Sampaio. 2007. Increasing crude protein levels in diets of Nellore cattle: Intake and ruminai total tract digestibility, microbial protein synthesis, and ruminal metabolism. Rev. Bras. Zootec. 36:1199-1211.
-
(2007)
Rev. Bras. Zootec
, vol.36
, pp. 1199-1211
-
-
Veras, R.M.L.1
Valadares Filho, S.C.2
Azevedo, J.A.G.3
Detmann, E.4
Paulino, M.F.5
Fonseca, M.A.6
Sampaio, C.B.7
-
40
-
-
1542397626
-
The determination of chromic oxide in faeces samples by atomic absorption spectrophotometry
-
Williams, C. H., D. J. David, and O. Iismaa. 1962. The determination of chromic oxide in faeces samples by atomic absorption spectrophotometry. J. Agric. Sci. 59:381-385.
-
(1962)
J. Agric. Sci
, vol.59
, pp. 381-385
-
-
Williams, C.H.1
David, D.J.2
Iismaa, O.3
-
41
-
-
0000151129
-
On the estimation of allantoin by the Rimini-Schryver reaction
-
Young, E. G., and C. F. Conway. 1942. On the estimation of allantoin by the Rimini-Schryver reaction. J. Biol. Chem. 142:839-853.
-
(1942)
J. Biol. Chem
, vol.142
, pp. 839-853
-
-
Young, E.G.1
Conway, C.F.2
|