Barros EEL, Fontes CAA, Detmann E, Vieira RAM, Henriques LT, Ribeiro EG. 2007. Evaluation of excretion patterns of internal markers and chromium oxide in digestion assays with ruminants. Rev Bras Zootec 36:2102–2108.
Berchielli TT, Andrade P, Furlan CL. 2000. Evaluation of internal markers in digestibility assay. Rev Bras Zootec 29:830–833.
Berchielli TT, Rodriguez NM, Osório Neto E, Rocha SS. 1998. Comparison of indicators to measure solid-phase flow of dry matter and organic matter in the duodenum. Arq Bras Med Vet Zoo 50:147–152.
Cabral LS, Valadares Filho SC, Detmann E, Zervoudakis JT, Souza AL, Veloso RG. 2008. Evaluation of indicators in the estimation of fecal excretion and digestibility in ruminants. Ver Bras Saúde Prod An 9:29–34.
Detmann E, Souza AL, Garcia R, Valadares Filho SC, Cabral LS, Zervoudakis JT. 2007b. Evaluation of the “vice of time” of internal markers in digestion trial with ruminants. Arq Bras Med Vet Zoo 59:182–188.
Detmann E, Paulino MF, Valadares Filho SC. 2008. Nutritional evaluation of foods or diets? A conceptual approach. In : Proceedings of Symposium Of Livestock Production Cutting; Minas Gerais, Viçosa. 6:p. 21–51.
Detmann E, Paulino MF, Zervoudakis JT, Valadares Filho SC, Euclydes RF, Lana RP, Queiroz DS. 2001. Chrome and internal indicators in determining the consumption of steers supplemented at pasture. Rev Bras Zootec 30:1600–1609.
Detmann E, Paulino MF, Cabral LS, Valadares Filho SC, Cecon PR, Zervoudakis JT, Lana RP, Leão MI, Melo AJN. 2005. Simulation and validation of parameters of digestive kinetics in steers supplemented at pasture, through the system
in vitro gas production. Rev Bras Zootec 34:2112–2122.
Detmann E, Valadares Filho SC, Henriques LT, Pina DS, Paulino MF, Magalhães ALR, Figueiredo DM, Porto MO, Chizzotti ML. 2007a. Reparametrization of the model based on the law of surface to predict digestible fraction of neutral detergent fiber in Brazilian conditions. Rev Bras Zootec 36:155–164.
Detmann E, Valadares Filho SC, Paulino MF, Zervoudakis JT, Cabral LS. 2004. Evaluation of technical indicators in the estimation of consumption by grazing ruminants. Cadernos Técnicos de Veterinária e Zootecnia 45:40–57.
Dias M, Leão MI, Detmann E, Valadares Filho SC, Vasconcelos AM, Souza SM, Paulino MF, Murça TB. 2008. Techniques for estimate of digestion and microbial production in bovine. Rev Bras Zootec 37:504–512.
Freitas D, Berchielli TT, Silveira RN, Soares JPG, Fernandes JJR, Pires AV. 2002. Duodenal flow and fecal output of dry matter and organic matter estimated by indicators. Rev Bras Zootec 31:1521–1530.
Hall MB. 2003. Challenges with non-fiber carbohydrate methods. J Anim Sci 81:3226–3232.
Ítavo LCV, Valadares Filho SC, Silva FF, Valadares RFD, Paulino MF, Itavo CCBF, Moraes EHBK. 2002. Comparison of markers and collection methodology for fecal production and digesta flow estimates in bovine. Rev Bras Zootec 31:1833–1839.
Licitra G, Hernandez TM, Van Soest PJ. 1996. Standardization of procedures for nitrogen fracionation of ruminant feeds. Anim Feed Sci Technol 57:347–358.
Mertens DR. 2002. Gravimetric determination of amylase-treated neutral detergent fiber in feeds with refluxing in beakers or crucibles: collaborative study. J AOAC Int 85:1217–1240.
NRC (National Research Council). 2006. Nutrient requirements of small ruminants. Washington: National Academy Press; 2006.
Oliveira Júnior RC, Pires AV, Fernandes JJR, Susin I, Santos FAP, Nascimento Filho VF, Araujo RC. 2004. Comparison of markers for estimating nutrient digestibility in high grain beef cattle diets varying nitrogen sources. Rev Bras Zootec 33:749–758.
Owens FN, Hanson CF. 1992. External and internal markers for appraising site and extent of digestion in ruminants. J Dairy Sci 75:2605–2617.
Paulino MF, Detmann E, Valadares Filho SC. 2006. Supplementation in animal pasture: energy or protein? Proceedingf of Symposium On Strategic Management Of Pasture, Minas Gerais, Viçosa 1:359–392.
Penning PD, Johnson RH. 1983. The use of internal markers to estimate herbage digestibility and intake. 2. Indigestible acid detergent fiber. J Agric Sci 100:133–138.
Pina DS, Valadares Filho SC, Detmann E, Valadares RFD, Campos MS, Moraes KAK, Oliveira AS, Paixão ML. 2006. Comparison of internal markers and extent of total fecal collection to estimate nutrient digestibility and energy value of feeds on dairy cows fed different protein sources. Rev Bras Zootec 35:2461–2468.
Saliba EOS, Rodriguez NM, Gonçalves LC, Morais SAL, Piló-Veloso D. 2002. Lignin isolated from corn husks used with indicator in digestibility trials. Comparative study. Arquivo Brasileiro de Medicina Veterinária e Zootecnia 54:52–56.
Silva DJ, Queiroz AC. 2002. Food analysis: chemical and biological methods. Viçosa: 2th ed.p. 235
Silva JFC, Leão MI. 1994. Fundamentals of nutrition of ruminants. Piracicaba: 1th ed.p. 380
Van Soest PJ. 1994. Nutritional ecology of the ruminant. Ithaca: Cornell University Press.
Zeoula LM, Prado IN, Dian PHM, Geron LJV, Caldas Neto SF, Maeda EM, Peron PDP, Marques JA, Falcão AJS. 2002. Fecal recovery of internal markers in assay with ruminants. Rev Bras Zootec 31:1865–1874.