Levels of Supplementation for Grazing Beef Heifers |
Cabral, Carla Heloisa Avelino
(Departamento de Zootecnia, Universidade Federal de Vicosa (UFV))
Paulino, Mario Fonseca (Departamento de Zootecnia, Researchers of INCT-CA, Universidade Federal de Vicosa (UFV)) Detmann, Edenio (Departamento de Zootecnia, Researchers of INCT-CA, Universidade Federal de Vicosa (UFV)) de Campos Valadares Filho, Sebastiao (Departamento de Zootecnia, Researchers of INCT-CA, Universidade Federal de Vicosa (UFV)) de Barros, Livia Vieira (Departamento de Zootecnia, Researchers of INCT-CA, Universidade Federal de Vicosa (UFV)) Valente, Eriton Egidio Lisboa (Departamento de Zootecnia, Researchers of INCT-CA, Universidade Federal de Vicosa (UFV)) de Oliveira Bauer, Maristela (Departamento de Engenharia Rural, Universidade Federal do Espirito Santo (UFES)) Cabral, Carlos Eduardo Avelino (Faculdade de Agronomia, Medicina Veterinaria e Zootecnia, Universidade Federal de Mato Grosso (UFMT)) |
1 | Licitra, G., T. M. Hernandez, and P. J. Van Soest. 1996. Standardization of procedures for nitrogen fractionation of ruminant feeds. Anim. Feed Sci. Technol. 57:347-358. DOI ScienceOn |
2 | Maquivar, M., and M. L. Day. 2009. Nutritional regulation of puberty. In: Course New Approaches of Production and Reproduction of Cattle, 13. Uberlandia, MG, Brazil. Uberlandia: UNESP. pp. 143-158. |
3 | Moraes, A. L. 2010. Performance of Nelore Heifers Subjected to Levels of crude protein in the rainy-dry transition period. (Master's Thesis). 55 p. University of Sao Paulo, SP, Brazil. |
4 | National Research Council (NRC). 2001. Nutrients Requirements of Dairy Cattle. National Academy Press. Washington, DC, p. 381. |
5 | Moraes, E. H. B. K., M. F. Paulino, S. C. Valadares Filho, K. A. K. Moraes, E. Detmann, and M. G. Souza. 2010. Nutritional evaluation of supplementation strategies for beef cattle during the dry season. R. Bras. Zootec. 39:608-616. DOI |
6 | Mertens, D. R. 2002. Gravimetric determination of amylase-treated neutral detergent fiber in feeds with refluxing in beaker or crucibles: collaborative study. J. AOAC Internat. 85:1217-1240. |
7 | Paulino, M. F., E. Detmann, and S. C. Valadares Filho. 2008. Functional cattle in the tropics. In: Symposium of Beef Cattle Production, 6. International Symposium of Beef Cattle Production, 2. University Federal of Vicosa, Vicosa, MG, Brazil. pp. 275-305. |
8 | Paulino, M. F., D. M. Figueiredo, E. H. B. K. Moraes, M. O. Porto, M. F. L. Sales, T. S. Acedo, S. D. J. Villela, and S. C. Valadares Filho. 2004. Supplementation of cattle in pastures: a systemic view. In: Symposium of Beef Cattle Production, 4. University Federal of Vicosa, Vicosa, MG, Brazil. pp. 93-139. |
9 | Poppi, D. P. and S. R. McLennan. 1995. Protein and energy utilization by ruminants at pasture. J. Anim. Sci. 73:278-290. |
10 | Rigolon, L. P., I. N. Prado, F. L. B. Cavalieri, J. A. Negrao, R. R. Silva, and J. A. Marques. 2008. Levels of dry matter intake on metabolites and hormones plasmatic and follicular hormones in beef heifers. Rev. Bras. Saude Prod. An. 9:367-383. |
11 | Sa Filho, M. F., L. U. Gimenes, J. N. S. Sales, G. A. Crepaldi, A. G. Medalha, and P. S. Baruselli. 2008. Artificial insemination in heifers. In: International Symposium on Applied Animal Reproduction, 3. State University of Londrina , Londrina, PR, Brazil. pp. 54-67. |
12 | Semmelmann, C. E. N., J. F. P. Lobato, and M. G. Rocha. 2001. Effect of feeding systems on weight gain and reproductive performance of Nellore heifers bred at the age of 17/18 months. Rev. Bras. Zootec. 30:835-843. DOI |
13 | Sampaio, C. B., E. Detmann, M. F. Paulino, S. C. Valadares Filho, M. A. Souza, I. Lazzarini, P. V. Paulino, and A. C. Queiroz. 2010. Intake and digestibility in cattle fed low-quality tropical forage and supplemented with nitrogenous compounds. Trop. Anim. Health Prod. 42:1471-1479. DOI ScienceOn |
14 | Sampaio, C. B., E. Detmann, I. Lazzarini, M. A. Souza, M. F. Paulino, and S. C. Valadares Filho. 2009. Rumen dynamics of neutral detergent fiber in cattle fed low-quality tropical forage and supplemented with nitrogenous compounds. R. Bras. Zootec. 38:560-569. DOI ScienceOn |
15 | Santos, J. E. and M. Amstalden. 1998. Effects of nutrition on bovine reproduction. In: Arq. Facul. Vet. 26. Atibaia, SP, Brazil. pp. 19-79. |
16 | Williams, C. H., D. J. David, and O. Iisma. 1962. The determination of chromic oxide in faeces samples by atomic absorption spectrophotometry. J. Agric. Sci. 59:381-385. DOI |
17 | Souza, M. A., E. Detmann, M. F. Paulino, C. B. Sampaio, I. Lazzarini, and S. C. Valadares Filho. 2010. Intake, digestibility and rumen dynamics of neutral detergent fiber in cattle fed low-quality tropical forage and supplemented with nitrogen and/or starch. Trop. Anim. Health Prod. 42:1299-1310. DOI |
18 | 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. |
19 | Valadares, R. F. D., L. C. Gonçalves, I. B. Sampaio, N. M. Rodriguez, and J. F. C. Silva. 1997. Protein levels in cattle diet. 2. Intake, digestibilities and nitrogen balance. R. Bras. Zootec. 26:1259-1263. |
20 | 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 ruminal protein synthesis estimated from excretion of total purine derivatives. J. Dairy Sci. 82:2686-2696. DOI ScienceOn |
21 | Valente, E. E. L., M. F. Paulino, E. Detmann, S. C. Valadares Filho, L. V. Barros, T. S. Acedo, V. R. M. Couto, and S. A. Lopes. 2011. Levels of multiple supplements or nitrogen salt for beef heifers in pasture during the dry season. R. Bras. Zootec. 40:2011-2019. |
22 | Cabral, L. S., S. C. Valadares Filho, E. Detmann, P. A. M. Malafaia, J. T. Zervoudakis, A. L. Souza, R. G. Veloso, and P. M. M. Nunes. 2006.Intake and digestibility in cattle fed tropical forage based diets. R. Bras. Zootec. 35:2406-2412. DOI ScienceOn |
23 | Barros, L. V., M. F. Paulino, S. C. Valadares Filho, E. Detmann, F. G. Silva, É. E. L. Valente, S. A. Lopes, and L. S. Martins. 2011b. Replacement of soybean meal by cottonseed meal 38% in multiple supplements for grazing beef heifers. R. Bras. Zootec. 40:852-859. |
24 | Barbosa, A. M., R. F. D. Valadares, S. C. Valadares Filho, D. S. Pina, E. Detmann, and M. I. Leao. 2011. Endogenous fraction and urinary recovery of purine derivatives obtained by different methods in Nellore cattle. J. Anim. Sci. 89:510-519. DOI ScienceOn |
25 | Barbosa, M. A. A. F., D. Nascimento Jr., and U. Cecato. 2006. Pasture dynamic and performance of steers in Panicum maximum Jacq. cv. Tanzânia under different forage allowances. R. Bras. Zootec. 35:1594-1600. DOI ScienceOn |
26 | Couto, V. R. M., M. F. Paulino, E. Detmann, S. C. Valadares Filho, M. F. L. Sales, L. V. Barros, M. O. Porto, and E. E. L. Valente. 2010. Energy sources and supplementation levels for beef heifers raised during the dry season. R. Bras. Zootec. 39:2494-2501. DOI |
27 | Detmann, E. and S. C. Valadares Filho. 2010. On the estimation of non-fibrous carbohydrates in feeds and diets. Arq. Bras. Med. Vet. Zootec. 62:980-984. DOI |
28 | Chen, X. B. and M. J. Gomes. 1992. Estimation of microbial protein supply to sheep and cattle basid on urinary excretion of purine derivatives - an overview of the technical details. International Feed Resources Unit, Rowett Research Institute, Ocasional Publication, Ed. Buchsburnd Aberdeen, UK. p. 21. |
29 | Chizzotti, M. L., S. C. Valadares Filho, R. F. Valadares, F. H. M. Chizzotti, J. M. S. Campos, M. I. Marcondes, and M. A. Fonseca. 2006. Intake, digestibility and urinary excretion of urea and purine derivatives in heifers with different body weights. R. Bras. Zootec. 35:1813-1821. DOI ScienceOn |
30 | Detmann, E., M. F. Paulino, and S. C. Valadares Filho. 2010. Optimizing the use for basal forage resources. In: Symposium of Beef Cattle Production. 7. International Symposium of Beef Cattle Production, 3. University Federal of Vicosa, Vicosa, MG, Brazil. pp. 191-240. |
31 | Detmann, E., M. F. Paulino, H. C. Mantovani, S. C. Valadares Filho, C. B. Sampaio, M. A. Souza, I. Lazzarini, and K. S. C. Detmann. 2009. Parameterization of ruminal fiber degradation in low-quality tropical forage using Michaelis-Menten kinetics. Livest. Sci. 126:136-146. DOI ScienceOn |
32 | Forbes, J. M. 2003. The multifactorial nature of food intake control. J. Anim. Sci. 81:E139-E144. |
33 | Detmann, E., A. C. Queiroz, P. R. Cecon, J. T. Zervoudakis, M. F. Paulino, S. C. Valadares Filho, L. S. Cabral, and R. P. Lana. 2003. Neutral detergent fiber intake by feedlot cattle. R. Bras. Zootec. 32:1763-1777. DOI |
34 | Detmann, E., M. F. Paulino, J. T. Zervoudakis, S. C. Valadares Filho, R. F. Euclydes, R. P. Lana, and D. S. Queiroz. 2001. Chromium and internal markers in intake determination by crossbred steers, supplemented at pasture. R. Bras. Zootec. 30:1600-1609. DOI ScienceOn |
35 | Johnson, A. D. 1978. Sample preparation and chemical analisys of vegetation. In: Measurement of Grassland Vegetation and Animal Production (Ed. L. T. Manejte). Aberustwysth: Commonweath Agricultural Bureax, p.96-102. |
36 | Illius, A. W. and N. S. Jessop. 1996. Metabolic Constraints on voluntary intake in ruminants. J. Anim. Sci. 74:3052-3062. |
37 | Lazzarini, I. 2011. Nutritional Performance of Cattle under Grazing during Dry and Rainy Seasons Supplemented with Nitrogenous Compounds and/or Starch. Ph.D. Thesis. University Federal of Vicosa, Vicosa, MG, Brazil. p. 66. |
38 | Lazzarini, I., E. Detmann, C. B. Sampaio, M. F. Paulino, S. C. Valadares Filho, M. A. Souza, and F. A. Oliveira. 2009. Intake and digestibility in cattle fed low-quality tropical forage and supplemented with nitrogenous compounds. R. Bras. Zootec. 38:2021-2030. DOI ScienceOn |
39 | Leng, R. A. 1990. Factors affecting the utilization of "poor-quality" forages by ruminants particularly under tropical conditions. Nut. Res. Review. 3:277-303. DOI ScienceOn |
40 | Moraes, E. H. B. K., M. F. Paulino, K. A. K. Moraes, S. C. Valadares Filho, J. T. Zervoudakis, and E. Detmann. 2009. Urea in protein-energy supplements for beef cattle during the dry season: nutritional and ruminal traits. R. Bras. Zootec. 38:770-777. |
41 | Valadares Filho, S. C., M. I. Marcondes, M. L. Chizzotti, and P. V. R. Paulino. 2010. Nutritional requirements of pure and crossbred zebu BR-CORTE. University Federal of Vicosa , Vicosa, MG, Brazil. p. 193. |
42 | Silva, D. J. and A. C. Queiroz. 2002. Food analysis: Chemical and biological methods. University Federal of Vicosa, Vicosa, MG, Brazil. p. 235. |
43 | Cabral, C. H. A., M. O. Bauer, R. C. Carvalho, C. E. A. Cabral, and W. B. Cabral. 2011. Steers performance and economical viability supplemented in the rainy season. Rev. Caatinga. 24:173-181. |
44 | Barros, L. V., M. F. Paulino, E. Detman, S. C. Valadares Filho, S. A. Lopes, A. A. Rocha, E. E. L. Valente, and D. M. Almeida. 2011a. Replacement of soybean meal by treated castor meal in supplements for grazing heifer during the dry-rainy season period. R. Bras. Zootec. 40:843-851. DOI |
45 | Figueiras, J. F., E. Detmann, M. F. Paulino, T. N. P. Valente, S. C. Valadares Filho, and I. Lazzarini. 2010. Intake and digestibility in cattle under grazing supplemented with nitrogenous compounds during dry season. R. Bras. Zootec. 39:1303-1312. DOI |