Research Areas

The current projects are associated with:

  1. Evaluation of feedstuffs and for livestock specifically through wet chemistry and in vitro procedures

  2. Nutrition methods in ruminant nutrition research

  3. Plant secondary compounds and ruminant nutrition interface

  4. Nutritional requirements and bioenergetics of livestock

  5. Animal feeding, nutrition, production and performance

  6. Supplementation strategies in grazing systems

  7. Statistical methods and predictive modeling

  8. Impacts of enteric methane in animal production and the environment

  9. Animal respirometry and mathematical growth

  10. Mathematical Modeling and model evaluation of biological systems.

  11. Sustainable intensification for livestock production systems.

MARTELLO, H., DE PAULA, N. F., TEOBALDO, R., MACEDO, B. G., ZERVOUDAKIS, J., M. A. FONSECA CABRAL, L. S., ROCHA, J. K., MUNDIN, A. E. B. K. MORAES. 2020. Interaction between tannin and irea on nitrogen utilizaiton by beef cattle grazing during the dry season. Livestock Science. https://doi.org/10.1016/j.livsci.2020.103988

NORRIS, A.B., TEDESCHI, L. O., FOSTER, J. L., MUIR, J.P., PINCHAK, W.E., M. A. FONSECA. 2020. Influence of quebracho tannin extract fed at differing rates within a high-roughage diet on the apparent digestibility of dry matter and fiber, nitrogen balance, and fecal gas flux. Animal Feed Science and Technology. V: 260.114365. https://doi.org/10.1016/j.anifeedsci.2019.114365

 

NORRIS, A.B., CROSSLAND, W., TEDESCHI, L. O., FOSTER, J. L., MUIR, J.P., PINCHAK, W.E., M. A. FONSECA. 2020. Inclusion of Quebracho tannin extract in a high-roughage cattle diet alters digestibility, nitrogen balance, and energy partitioning. Journal of Animal Science. Accepted https://doi.org/10.1093/jas/skaa047

 

CAGLE, C. M., BATISTA, L. F. D., ANDERSON, R. C., FONSECA, M. A., CRAVEY, M., JULIEN, C., L. O. TEDESCHI. 2019. Evaluation of different inclusion levels of dry live yeast impacts on various rumen parameters and in situ digestibility of dry matter and neutral detergent fiber in growing and finishing beef cattle. Journal of Animal Science V:97(12): 4987-4998. https://doi.org/10.1093/jas/skz342

 

CAGLE, C. M., FONSECA, M. A., CALLAWAY, T. R., RUNYAN, C.A., L. O. TEDESCHI. 2020. Evaluation of the effects of live yeast on rumen parameters and in situ digestibilities of dry matter and neutral detergent fiber in growing beef cattle fed high-forage diet. Applied Animal Science. V: 36(1): 36-47. http://doi.org/10.15232/aas.2019-01888

TEOBALDO, R., DE PAULA, N. F., ZERVOUDAKIS, J., FONSECA, M. A., CABRAL, L., MARTELLO, H. ROCHA, J., RIBEIRO, I.,, A. MUNDIM. 2019. The inclusion of low levels of a blend of copaiba, cashew nut shell and castor oil in the protein-energy supplement for beef cattle fed grass pasture improves rumen fermentation, nutrient intake, and fiber digestibility. Animal Production Science. http://www.publish.csiro.au/AN/justaccepted/AN18725

 

MARTELLO, H., DE PAULA, N. F., TEOBALDO, R., MACEDO, B. G., ZERVOUDAKIS, J., BRUTTI, D. D., CARVALHO, P., TEOBALDO, R. W., CABRAL, L. S., M. A. FONSECA. 2019. Effects of tannins and Monensin in a feedlot diet on in vitro ruminal fermentation . Semina. V.40, n. 6 , Supp. 2. P: 3223-3232. DOI: 10.5433/1679-0359.2019v40n6Supl2p3223. http://www.uel.br/seer/index.php/semagrarias/article/viewFile/35180/26144

 

MOURA, F., TRECE, A., MELO, L., MANSO, M., COSTA, T., POAULINO, M. F., RENNO, L., FONSECA, M. A., DETMANN, E., GIONBELLI, M., M. DUARTE. 2019. Effects of energy-protein supplementation frequency on performance of primiparous grazing beef cows during pre and postpartum. Asian-Australasian Journal of Animal Science. DOI: https://doi.org/10.5713/ajas.19.0784 

 

TEDESCHI, L. O., MOLLE, G., MENENDEZ III, H. M., CANNAS, A., M. A. FONSECA. 2019. The Assessment of Supplementation Requirements of Grazing Ruminants using Nutrition Models. Translational Animal Science, Volume 3, Issue 2, March 2019, txy140. https://doi.org/10.1093/tas/txy140

 

BRUTTI, D.D., DE PAULA, N.F., ZERVOUDAKIS, J. T., CABRAL, L.S., FONSECA, M. A., MACEDO, B. G., LIMA, L. R., T. McCALLISTER. 2019. Effects of tannins and monensin on the modulation of in vitro ruminal fermentation and ammonia production of  nitrogen-fertilized and non-fertilized Urochloa brizantha cv. Marandu. Grassl Sci. 2019;00:1-8.https://doi.org/10.1111/grs.12221

 

CHAY-CANUL, A. J., GARCIA-HERRERA, R. A., SALAZAR-CUYTÚN, R., OJEDA-ROBERTOS, N. F., CRUZ-HERNANDEZ, A., FONSECA, M. A., J. CANUL-SOLIS. 2019. Development and evaluation of equations to predict body weight of Pelibuey ewes using heart girth. Rev. Mex. Cienc. Pec. 2019; 10(3):767-777. https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/4911

 

BENEDETI, P. D. B; FONSECA, M. A. ; SHENKORU, T. ; MARCONDES, M. I.; PAULA, E. M. ; SILVA, L. G.; A. P FACIOLA. 2018. Does partial replacement of corn with glycerin in beef cattle diets affect in vitro ruminal fermentation, gas production kinetic, and enteric greenhouse gas emissions?. PLoS One, v. 13, p. e0199577, 2018.

SELIM, A. S. M., RAHMAN, M. M., JAHAN, M., HOQUE, S.A.M., RABBI, M. E, HOSSAIN, M.D., FONSECA, M. A., CROSSLAND, W. L., L. O. TEDESCHI, L. O. 2017. Assessment of digestibility of probiotic treated rice straw usin in vitro gas production technique. Indian J. Anim. Nutr. 34 (4): 389-395. doi: 10.5958/2231-6744.2017.00062.7.

FONSECA, M. A., TEDESCHI, L. O., VALADARES FILHO, S. C., DE PAULA, N. F., VILLADIEGO, F. A. C., SILVA JUNIOR, J., ABREU, D. C., M. L. CHIZZOTTI. 2017. Assessment of body fat composition in crossbred Nellore x Angus using biometric measurements. J. Anim. Sci. 95 (12): 5584-5596. doi: 10.2527/jas2017.1840.

TEDESCHI, L. O., ALMEIDA, A. K., ATZORI, A. S., MUIR, J. P., FONSECA, M. A., A. CANNAS. 2017. A glimpse of the future in animal nutrition science.1. Past and future challenges. Rev. Bras. Zootec. 46 (5): 438‐451.

TEDESCHI, L., FONSECA, M. A., MUIR, J. P., POPPI, D., CARSTENS, G. E., ANGERER, J. P., D. G. FOX. 2017. A glimpse of the future in animal nutrition science.2. Current and future solutions. Rev. Bras. Zootec. 46 (5): 452‐469.

FONSECA, M. A., TEDESCHI, L. O, VALADARES FILHO, S. C., CHIZZOTTI, M. L., SATHLER, D., SILVA, L. D. 2017. Evaluation of predictive equations to assess body composition in beef cattle using live, linear and standing‐rib cut measurements. Anim. Prod. Sci. 57 (2): 378‐390. http://dx.doi.org/10.1071/AN15312

ABREU, D. C., HOSHIDE, A. K., MALLORY, E. B., OLIVEIRA, A. S., KERSBERGEN, R. J., LANA, R. P., GHEDINI, C. P., FONSECA, M. A. 2016. Economic and environmental implications of wheat crop sequences on organic dairy farms simulations. Crop Pasture Sci. 67:1127‐1138.

 

NAUMANN, H. D., TEDESCHI, L. O., M. A. FONSECA .2015. Technical Note: Predicting ruminal methane inhibition by condensed tannins using nonlinear exponential decay regression analysis. J. Anim. Sci. 93 (11): 5341‐5345.

NAUMANN, H., LAMBERT, B., ARMSTRONG, S, FONSECA, M. A., TEDESCHI, L. O., MUIR, J. 2015. Effect of replacing alfalfa with panicled‐tick clover or sericea lespedeza in a corn‐alfalfa based dairy diet on in vitro ruminal methane production. J. Dairy Sci. v.98(6):3980‐3987.

TEDESCHI, L. O., FOX, D. G., FONSECA, M. A., CAVALCANTI, L.F. 2015. Models of Protein and Amino Acid Requirements for Cattle. 2015. Brazilian Journal of Animal Science, 44(3): 109‐132.

FONSECA, M. A., VALADARES FILHO, S. C., TEDESCHI, L. O., CHIZZOTTI, M. L., MACHADO, M. G., ABREU, D. C. 2015. Evaluation of predictive equations developed to assess body composition of F1 Nellore x Angus bulls and steers. Anim. Prod. Sci. v.55: 978‐987 http://dx.doi.org/10.1071/AN13439.

ABREU. D. C., LANA, R. P., OLIVEIRA, A. S., BARBOSA, F. A., ANDRADE, F. L., SILVA, P.T., FONSECA, M. A, GHEDINI, C. P, PAULA, R. M. 2014. Performance of lactating crossbred cows on pasture supplemented with conventional urea or slow release urea. Brazilian Arch. Vet. Med. 6(5): 1487‐1494.

TEDESCHI, L. O., CAVALCANTI, L. F. L., FONSECA, M. A., HERRERO, M., THORNTON, P. 2014. The evolution and evaluation of dairy cattle models for predicting milk production: An agricultural model intercomparison and improvement project (AgMIP) for livestock. Anim. Prod. Sci. 54 (12): 2052‐2067. http://dx.doi.org/10.1071/AN14620.

ABREU, D. C., LANA, R. P., OLIVEIRA, A. S., TEIXEIRA, R. M. A., GHEDINI, C. P., FONSECA, M. A., PAULA, R. M. 2014. Kinetics of milk production as function of energy and protein supplementation. Agrária (Recife: Online).

OLIVEIRA, A. S., ABREU, D. C., FONSECA, M. A., ANTONIASSI, P. 2013. Short communication: Development and evaluation of predictive models of body weight for crossbred Holstein‐Zebu dairy heifers. J. Dairy Sci. 96(10): 6697‐ 6702.

DE PAULA, N. F., TEDESCHI, L. O., PAULINO, M. F., FERNANDES, H. J., FONSECA, M. A. 2013. Predicting carcass and body fat composition using biometric measurements of grazing beef cattle. J. Animal Sci. 91: 3341‐3351.

PIMENTEL, J. J. O., LANA, R. P., OLIVEIRA, A. S., TEIXEIRA, R. M. A., ABREU, D. C., GHEDINI, C. P., , M. A. FONSECA. 2013. Kinetics of milk production and function of energy and protein supplementation. Agrarian (Dourados:  Online).6 (21): 303‐311.

FONSECA, M. A., VALADARES FILHO, S. C., HENRIQUES, L. T. , PAULINO, P. V. R. , DETMANN, E. , FONSECA, E. A., BENEDETI, P. D. B., SILVA, L. D. 2012. Nutritional requirements of nursing Nellore calves. Brazilian J. Animal Sci. 41: 1212‐1221.

 

FONSECA, M. A., VALADARES FILHO, S. C., HENRIQUE, L. T. , PAULINO, P. V. R. , DETMANN, E. , BENEDETI, P. D. B. , SILVA, L. D., AMARAL, P. M. 2012. Nutritional requirements of primiparous Nellore lactating cows. Brazilian J. Animal Sci. 41:1222‐1230.

HENRIQUES, L. T., VALADARES FILHO, S. C., FONSECA, M. A., PAULINO, P. V. R., DETMANN, E., VALADARES, R. F. D. 2011. Evaluation of non‐linear models and the relationship of voluntary intake of primiparous cows and calves with the lactation curve of Nellore cows. Brazilian J. Animal Sci. 40: 1287‐1295.

DUARTE, M. S., PAULINO, P. V. R., FONSECA, M. A., DINIZ, L. L., CAVALI, J., SERAO, N. V. L., GOMIDE, L. A. M., REIS, S. F., COX, R. B. 2011. Influence of dental carcass maturity on carcass traits and meat quality of Nellore bulls. Meat Sci. 88: 441‐446.

PINA, D. S. , VALADARES FILHO, S. C., TEDESCHI, L. O. , BARBOSA, A. M. , AZEVÊDO, J.A.G. , VALADARES, R. F. D., SOUZA, N.K.P. , FONSECA, M. A. 2011. Inclusion levels and exposure time of cane sugar to calcium oxide on digestive parameters and performance of Nellore heifers. Rev. Bras. Zootec. 40: 648‐656.

MAGALHAES, K.A., VALADARES FILHO, S.C., DETMANN, E., DINIZ, L.L., Pina, D.S., AZEVEDO, J.A.G., ARAUJO, F.L., MARCONDES, M.I., FONSECA, M. A., TEDESCHI, L.O. 2010. Evaluation of indirect methods to estimate the nutritional value of tropical feeds for ruminants. Anim. Feed Sci. Tech. 155: 44 ‐ 54.

MARCONDES, M. I., VALADARES FILHO, S. C., DETMANN, E., VALADARES, R.F. D., SILVA, L. F. C., FONSECA, M. A.. 2009. Rumen degradation and intestinal digestibility of crude protein in feeds for cattle. Rev. Bras. Zootec. 38: 2247‐2257.

PAULINO, P.V.R., DETMANN, E., VALADARES, R. F. D., FONSECA, M. A., VALADARES FILHO, S. C., MARCONDES, M. I. 2009. Body tissue and chemical component deposition in Nellore bulls, steers and heifers. Rev. Bras. Zootec. 38: 2516‐2524.

MARCONDES, M. I., VALADARES FILHO, S. C., PAULINO, P. V. R., VALADARES, R. F. D., PAULINO, M. F., NASCIMENTO, F. B., FONSECA, M. A. 2009. Nutrient requirements of protein, energy and macrominerals of Nellore cattle of three genders. Rev. Bras. Zootec. 38: 1587‐1596.

CHIZZOTTI, M. L., VALADARES FILHO, S. C., TEDESCHI, L. O. PAULINO, P. V. R., PAULINO, M. F., VALADARES, R. F. D., AMARAL, P. M., BENEDETI, P. D. B., IKEGAMI, T. R., FONSECA, M. A. 2009. Net requirements of calcium, magnesium, sodium, phosphorus, and potassium for growth of Nellore × Red Angus bulls, steers, and heifers. Livestock Sci. 124:242‐247.

PAULINO, P. V. R., VALADARES FILHO, S. C., DETMANN, E., VALADARES, R. F. D., FONSECA, M. A., VERAS, R. M. L., OLIVEIRA, D.M. 2008. Productive performance of Nellore cattle of different gender fed diets containing two levels of concentrate allowance. Rev. Bras. Zootec. 37: 1079‐1087.

CHIZZOTTI, M. L., VALADARES FILHO, S. C., VALADARES, R. F. D., CHIZZOTTI, F. H. M., MARCONDES, M. I., FONSECA, M. A. 2007. Intake, digestibility and nitrogen metabolism in Holstein cows with different milk production levels. Rev. Bras. Zootec. 36: 138‐146.

VERAS, R. M. L., VALADARES FILHO, S. C., AZEVEDO, J. A. G., DETMANN, E., PAULINO, M. F., FONSECA, M. A., SAMPAIO, C. B. 2007. Increasing crude protein levels in diets of Nellore cattle: intake, ruminal and total tract digestibility, microbial protein synthesis, and ruminal metabolism. Rev. Bras. Zootec. 36: 1199‐1211.

CHIZZOTTI, M. L., VALADARES FILHO, S. C., VALADARES, R. F. D., CHIZZOTTI, F. H. M., CAMPOS, J. M. S., MARCONDES, M. I., FONSECA, M. A. 2006. Intake, digestibility and urinary excretion of urea and purine derivatives in heifers with different body weights. Rev. Bras. Zootec. 35: 1813‐1821.

PINA, D.S., VALADARES FILHO, S. C., VALADARES, R. F. D., DETMANN, E., CAMPOS, J. M.S. , FONSECA, M. A., TEIXEIRA, R. M. A., OLIVEIRA, A. S. 2006. Estimation of microbial protein synthesis and urea nitrogen metabolism in lactating dairy cows fed diets supplemented with different protein sources. Rev. Bras. Zootec. 35: 1552‐1559.

PAIXÃO, M. L., VALADARES FILHO, S. C., LEAO, M. I., VALADARES, R. F. D., PAULINO, M. F., MARCONDES, M. I., FONSECA, M. A., SILVA, P. A., PINA, D. S. Urea in diets of steers: intake, digestibility, performance, carcass traits and microbial yield. Rev. Bras. Zootec. 35: 2451‐2460.

Animal Trials

Spring 2019

Effects of milk replacer, carbohydrate-based, and fat-based diets on health parameters and growth performance of calves 

Fall  2019 - Spring 2020

Nutritional effects, water utilization, and water x nutrition influences on small RNA in semen.

Spring 2020 - Fall 2020

Influence of planes of nutrition in water intake and miRNA expression in adipose tissue for backgrounding and finishing steers

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