Personal information

Nutrición de Rumiantes, Producción de Bovinos, Suplementación de Bovinos
Colombia

Activities

Employment (3)

Universidad de Pamplona: Pamplona, Norte de Santander, CO

2019-04-22 to present | Docente investigador (Norte de Santander)
Employment
Source: Self-asserted source
Ortega R.M

Servicio National de Aprendizaje: Cartagena, Bolívar, CO

2009-09-11 to 2011-12-23 | Docente (Agroempresarial)
Employment
Source: Self-asserted source
Ortega R.M

Hacienda El Danubio: Montería, Córdoba, CO

2007-11-30 to 2009-06-30 | Médico Veterinario
Employment
Source: Self-asserted source
Ortega R.M

Education and qualifications (4)

Universidade Federal de Viçosa: Vicosa, MG, BR

2014-03-06 to 2018-04-20 | Doctor (Zootecnia)
Education
Source: Self-asserted source
Ortega R.M

Universidade Federal de Viçosa: Vicosa, MG, BR

2012-02-26 to 2013-12-02 | Magister (Zootecnia)
Education
Source: Self-asserted source
Ortega R.M

Universidad de Córdoba: Montería, Córdoba, CO

2008-02-25 to 2010-12-22 | Especialista en Producción Bovina Tropical (Medicina Veterinaria y Zootecnia)
Education
Source: Self-asserted source
Ortega R.M

Universidad de Córdoba: Montería, Córdoba, CO

2000-02-27 to 2005-12-19 | Médico Veterinario y Zootecnista (Medicina Veterinaria y Zootecnia)
Education
Source: Self-asserted source
Ortega R.M

Works (25)

Effect of Supplementation Plans and Frequency on Performance and Metabolic Responses of Grazing Pregnant Beef Heifers

Veterinary Sciences
2024-10 | Journal article | Author
Contributors: Luciano Prímola; Luciana Navajas Rennó; Edenio Detmann; MÁRIO PAULINO; Ronaldo Gomes da Silva Júnior; Ortega R.M; Moreno, D.S.
Source: check_circle
Multidisciplinary Digital Publishing Institute
grade
Preferred source (of 2)‎

Effects of prepartum supplementation levels on the performance and metabolic responses of Nellore cows in a grazing system

Semina: Ciências Agrárias
2024-06-13 | Journal article
Contributors: Lara Vilhena Calderaro; Deilen Sotelo Moreno; Román Maza Ortega; Luciana Navajas Rennó; Edenio Detmann; Mário Fonseca Paulino
Source: check_circle
Crossref

Pre-and postpartum supplementation strategies on the performance and metabolic status of grazing beef cows

Pesquisa Agropecuária Brasileira
2023 | Journal article
Contributors: Deilen Sotelo Moreno; Román Maza Ortega; Mário Fonseca Paulino; Luciana Navajas Rennó; Edenio Detmann
Source: check_circle
Crossref

Feeding strategies for rearing replacement beef heifers in a grazing system under tropical conditions

Animal Feed Science and Technology
2023-11-19 | Journal article
Part of ISSN: 0377-8401
Contributors: Deilen S. Moreno; Román M. Ortega; Luciana N. Rennó; Edenio Detmann; Mário F. Paulino
Source: Self-asserted source
Ortega R.M

Effects of the inclusion of coffee pulp silage in the diet on the performance and profitability of crossbred milk cows in the middle tropics

Tropical Animal Health and Production
2023-04 | Journal article
Part of ISSN: 0049-4747
Part of ISSN: 1573-7438
Contributors: Dixon Fabián Flórez Delgado; Richard de Jesús Gil-Herrera; Román Enrique Maza-Ortega
Source: Self-asserted source
Ortega R.M

Provision of a protein-rich supplement for grazing suckling female beef calves to improve productive performance and metabolic response

Animal Bioscience
2022-08-01 | Journal article
Contributors: Deilen S Moreno; Román M Ortega; David C Marquez; Thiago R Moreira; Edson J dos Santos; Daniel M de Almeida; Mário F Paulino; Luciana N Rennó; Edenio Detmann
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Nutritional and productive performance of grazing system beef heifers receiving multiple supplementation in the dry season

Semina: Ciências Agrárias
2022-05-05 | Journal article
Contributors: Román Maza Ortega; Deilen Sotelo Moreno; Mário Fonseca Paulino
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Protein-energy supplementation on productive and nutritional performance of grazing beef heifers

Semina: Ciências Agrárias
2022-01-10 | Journal article
Contributors: Román Maza Ortega; Deilen Sotelo Moreno; Libardo Maza Angúlo
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Sustitución parcial del alimento balanceado comercial por Tithonia Diversifolia y su efecto en el desempeño productivo de conejos en fase de ceba

Conocimiento global
2021-12-16 | Journal article
Contributors: Dixon Fabian Flórez Delgado; Román Enrique Maza Ortega; Dubel Reinaldo Cely Leal; Leidys Miriam Ríos Ramos
Source: check_circle
Crossref

SUSTITUCIÓN PARCIAL DEL ALIMENTO BALANCEADO COMERCIAL POR TITHONIA DIVERSIFOLIA Y SU EFECTO EN EL DESEMPEÑO PRODUCTIVO DE CONEJOS EN FASE DE CEBA

Conocimiento Global
2021-12-16 | Journal article
Contributors: Ortega R.M; Dixon Fabián Flórez Delgado; Dubel Reinaldo Cely Leal; Leidys Miriam Ríos Ramos
Source: Self-asserted source
Ortega R.M

Supplementation of grazing heifers with different protein sources

Revista MVZ Córdoba
2021-03-19 | Journal article
Contributors: Román Enrique Maza-Ortega; Deilen Paff Sotelo-Moreno; Mauricio Miguel-Estrada; Libardo Alfonso Maza-Angulo; Mário Fonseca-Paulino
Source: check_circle
Crossref

Effects of pre- and postpartum supplementation on lactational and reproductive performance of grazing Nellore beef cows

Animal Production Science
2020-10-22 | Journal article | Investigation
Contributors: Ortega R.M
Source: Self-asserted source
Ortega R.M
grade
Preferred source (of 2)‎

Nutritional strategies for heifers under grazing system: productive and nutritional performance, metabolic profile and ovarian activity

Tropical Animal Health and Production
2020-05-30 | Journal article
Contributors: Román Maza Ortega; Mário Fonseca Paulino; Edenio Detmann; Luciana Navajas Rennó; Deilen Sotelo Moreno; David Contreras Márquez; Daniel Mageste de Almeida; Luciano Prímola de Melo; Felipe Henrique Moura
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Supplementation levels for suckling female calves under grazing: productive and nutritional performance and metabolic profile

Semina: Ciências Agrárias
2020-04-07 | Journal article
Contributors: Román Maza Ortega; Mário Fonseca Paulino; Edenio Detmann; Luciana Navajas Rennó; Deilen Sotelo Moreno; David Contreras Marquez; Daniel Mageste de Almeida; Leandro Soares Martins; Thiago Ramalho
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Performance and metabolic status of grazing beef heifers receiving increasing protein supplementation pre- and postpartum

Animal Production Science
2019-09-26 | Journal article | Investigation
Part of ISSN: 1836-0939
Contributors: Ortega R.M
Source: Self-asserted source
Ortega R.M
grade
Preferred source (of 3)‎

Estimation of daily milk yield of Nellore cows grazing tropical pastures

Tropical Animal Health and Production
2018-05-28 | Journal article | Investigation
Part of ISSN: 0049-4747
Part of ISSN: 1573-7438
Contributors: Ortega R.M
Source: Self-asserted source
Ortega R.M
grade
Preferred source (of 2)‎

Supplementation strategies for Nellore female calves in creep feeding to improve the performance: nutritional and metabolic responses

Tropical Animal Health and Production
2018-05-21 | Journal article | Investigation
Part of ISSN: 0049-4747
Part of ISSN: 1573-7438
Contributors: Ortega R.M
Source: Self-asserted source
Ortega R.M
grade
Preferred source (of 2)‎

Creep feeding effects on male Nellore calves influencing behavior and performance of their dams

Tropical Animal Health and Production
2017 | Journal article
EID:

2-s2.0-85027848317

Contributors: Martins, L.S.; Paulino, M.F.; Rennó, L.N.; Detmann, E.; de Almeida, D.M.; Ortega, R.M.; Moreno, D.P.S.; Cárdenas, J.E.G.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier

Energetic-protein supplementation in the last 60days of gestation improves performance of beef cows grazing tropical pastures

Journal of Animal Science and Biotechnology
2017 | Journal article
EID:

2-s2.0-85030665904

Contributors: da Silva, A.G.; Paulino, M.F.; Detmann, E.; Fernandes, H.J.; da Silva Amorim, L.; Ortega, R.E.M.; de Carvalho, V.V.; da Costa Lima, J.A.; de Moura, F.H.; Monteiro, M.B. et al.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier

Performance, endocrine, metabolic, and reproductive responses of Nellore heifers submitted to different supplementation levels pre- and post-weaning

Tropical Animal Health and Production
2017 | Journal article
EID:

2-s2.0-85012134719

Contributors: da Silva, A.G.; Paulino, M.F.; da Silva Amorim, L.; Rennó, L.N.; Detmann, E.; de Moura, F.H.; Manso, M.R.; Silva e Paiva, P.H.; Ortega, R.E.M.; de Melo, L.P.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier

Supplementation of grazing beef cows during gestation as a strategy to improve skeletal muscle development of the offspring

Animal
2017 | Journal article
EID:

2-s2.0-85020225161

Contributors: Marquez, D.C.; Paulino, M.F.; Rennó, L.N.; Villadiego, F.C.; Ortega, R.M.; Moreno, D.S.; Martins, L.S.; De Almeida, D.M.; Gionbelli, M.P.; Manso, M.R. et al.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier

Quantities of supplements for grazing beef heifers in the dry-rainy transition season

Semina:Ciencias Agrarias
2016 | Journal article
EID:

2-s2.0-84960385100

Contributors: Ortega, R.M.; Paulino, M.F.; Detmann, E.; Rennó, L.N.; Da Silva, A.G.; Marquez, D.C.; Moreno, D.S.; Moura, F.H.; Bitencourt, J.A.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier

Substitution of soybean meal for cottonseed meal in multiple supplements for grazing beef heifers in the dry season

Semina:Ciencias Agrarias
2016 | Journal article
EID:

2-s2.0-84960415642

Contributors: Ortega, R.M.; Paulino, M.F.; Detmann, E.; Rennó, L.N.; De Vieira Barros, L.; Da Silva, A.G.; Marquez, D.C.; Moreno, D.S.; Moura, F.H.; De Almeida, D.M.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier

Replacement of soybean meal by soybean in multiple supplements for beef heifers grazing Urochloa decumbens during the dry season

Semina:Ciencias Agrarias
2015 | Journal article
EID:

2-s2.0-84951063456

Contributors: De Almeida, D.M.; Paulino, M.F.; Marcondes, M.I.; Rennó, L.N.; De Barros, L.V.; Martins, L.S.; Villadiego, F.A.C.; Lopes, S.A.; Marquez, D.C.; Da Silva, A.G. et al.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier

Nutritional parameters and production of calves on pasture supplemented with different sources of protein foods,Parâmetros nutricionais e produtivos de bezerras suplementadas a pasto com diferentes fontes de alimentos protéicos

Semina:Ciencias Agrarias
2014 | Journal article
EID:

2-s2.0-84910039606

Contributors: Marquez, D.C.; Paulino, M.F.; Marcondes, M.; Rennó, L.; De Barros, L.V.; Martins, L.S.; Ortega, R.M.; Da Silva, A.G.; De Almeida, D.M.; Sotelo, D.P. et al.
Source: Self-asserted source
Ortega R.M via Scopus - Elsevier