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The objectives were to: (1) identify and quantify the effect of technological change on productivity, profitability, and competitiveness in different milk production systems and regions of the country; (2) analyze the relationship between productivity, technological change, profitability, and com...


Holmann, Federico J.Rivas Ríos, LibardoCarulla, Juan E.Rivera, BGiraldo, L.A.Guzmán Perez, S.Martínez, M.Medina, A.Farrow, Andrew[Evolution of milk production systems in Tropical Latin America and its interrelationship with markets : An analysis of the Colombian case]Evolution of milk production systems in Tropical Latin America and its interrelationship with markets : An analysis of the Colombian case

The early adoption of the legume Arachis pintoi was studied in the State of Caquetá, located in Colombia’s Amazon region. Data came from 174 farmers randomly surveyed within the area of influence of Nestlé, a multinational milk-processing company. In addition, 52 farmers who had already adopted ...


Rivas Ríos, LibardoHolmann, Federico J.[Early adoption of Arachis pintoi in the humid tropics: The case of dual-purpose livestock systems in Caquetá, Colombia]Early adoption of Arachis pintoi in the humid tropics: The case of dual-purpose livestock systems in Caquetá, Colombia

Smallholders with dual-purpose cattle production systems in most Central America experience a shortage of forages during the dry season (4-8 month. As a result, substantially lower milk production and weight gain occurs. Dual-purpose operations seeking to maximize milk and beef production in the ...


Schoonhoven, Aart vanHolmann, Federico J.Argel M., Pedro J.Pérez, E.Ordoñez, J.C.Chaves, J.[Estimation and comparison of benefits due to feeding hay and silage during the dry season on commercial dual-purpose cattle production systems in Honduras and Costa Rica]Estimation and comparison of benefits due to feeding hay and silage during the dry season on commercial dual-purpose cattle production systems in Honduras and Costa Rica

Con el fin de dinamizar la ganadería colombiana, y en un esfuerzo conjunto de los sectores oficial y privado, se están adelantando procesos de investigación y transferencia de tecnología en el nivel de empresas agropecuarias. Parte de ese proceso ha sido la caracterización de los principales sist...


Duarte Torres, O.A.Pulido Herrera, JSilva Zalzuk, JHolmann, Federico J.[Modelo de optimización para los sistemas de producción agropecuarios de la microrregión Valle del Cesar, Colombia = Model to improve the livestock and crop production systems in Valle del Cesar, Colombia]Modelo de optimización para los sistemas de producción agropecuarios de la microrregión Valle del Cesar, Colombia = Model to improve the livestock and crop production systems in Valle del Cesar, Colombia
Holmann, Federico J.[Evaluación económica de sistemas de producción de leche en el trópico]Evaluación económica de sistemas de producción de leche en el trópico

Pasture research led by the International Center for Tropical Agriculture (CIAT) and national institutions during the 80's and 90's, contributed with new Brachiaria species with various characteristics and uses that were incorporated with success in livestock production systems in the lowlands of...


Rivas Ríos, LibardoHolmann, Federico J.[Potential economic impact from the adoption of Brachiaria hybrids resistant to spittlebugs in livestock systems of Colombia, Mexico and Central America]Potential economic impact from the adoption of Brachiaria hybrids resistant to spittlebugs in livestock systems of Colombia, Mexico and Central America

In view of the low pasture productivity in the Central American humid tropics where cattle rearing is a major land-use activity, it is important to examine the potential of alternate feed sources for ruminant feeding. Erythrina berteroana Uban, locally known as poro, and green banana (Musa AAA) f...


Ibrahim, M.A.Holmann, Federico J.Hernández, M.Camero, A.[Contribution of Erythrina protein banks and rejected bananas for improving cattle production in the humid tropics]Contribution of Erythrina protein banks and rejected bananas for improving cattle production in the humid tropics
Holmann, Federico J.Rivas Ríos, LibardoCarulla, Juan E.Giraldo, Luis AlfonsoGuzmán Pérez, SilvioMartínez, ManuelRivera, BernardoMedina, AndersonFarrow, Andrew[Evolución de los sistemas de producción de leche en el trópico latinoamericano y su interrelación con los mercados: Un análisis del caso colombiano]Evolución de los sistemas de producción de leche en el trópico latinoamericano y su interrelación con los mercados: Un análisis del caso colombiano
Pezo, Danilo A.Holmann, Federico J.Arze, J.[Evaluación bioeconómica de un sistema de producción de leche basado en el uso intensivo de gramíneas fertilizadas en el trópico húmedo de Costa Rica]Evaluación bioeconómica de un sistema de producción de leche basado en el uso intensivo de gramíneas fertilizadas en el trópico húmedo de Costa Rica
Lascano, Carlos E.Peters, MichaelHolmann, Federico J.[Arachis pintoi in the humid tropics of Colombia: A forage legume success story]Arachis pintoi in the humid tropics of Colombia: A forage legume success story

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