Nutrición Animal Tropical Journal ISSN electrónico: 2215-3527

OAI: https://revistas.ucr.ac.cr/index.php/nutrianimal/oai

Vol. 14 No. 2 (2020)

Published August 14, 2020

https://doi.org/10.15517/nat.v14i2

Nutrición Animal Tropical: July-December

Vacas en un potrero caminando

Articles

Luis Alejandro Rodríguez-Campos, Carlos Arroyo-Oquendo, Fabio Blanco-Rojas, Juan Ignacio Herrera-Muñoz, Roger Molina-Coto

1-22

Effect of oral and injectable mineral supplements on morphologic development of zebu crossbred heifers

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Marco V. Martínez-Aguilar, Sergio Salazar-Villanea

23-38

Activation of the immune system of pigs and its requirement of methionine, threonine and tryptophan

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Jorge Alberto Elizondo-Salazar

39-50

Estimation of caloric energy in feeds for dairy cattle according to the NRC model (2001)

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Lorena Inés Mestra-Vargas, Sony Reza-García, Edison Julián Ramírez-Toro, Diego Medina-Herrera

51-74

Performance of three racial groups of grazing steers supplemented with agroindustrial by-products

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Esteban Burbano-Erazo, Guillermo Alberto Brochero-Aldana, Dalia Milena Rodríguez-Jiménez, José Edwin Mojica Rodríguez, Darwin Fabian Lombo-Ortiz

75-84

Evaluation of Canavalia brasiliensis Mart. ex Benth. genotypes for seed production in the Colombian Caribbean

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Jorge Alberto Elizondo-Salazar

85-100

Estimation of the supply of metabolizable protein in dairy cattle

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Sergio Salazar-Villanea, Luis E. Conejo-Chacón, Marco V. Martínez-Aguilar, Cristian Gómez-Chaves, Sebastián Dorado-Montenegro

101-112

Effects of methionine, threonine and tryptophan supplementation on productive performance and carcass traits of growing-finishing pigs raised under commercial conditions

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Maikol Astúa Ureña, Augusto Rojas-Bourrillon, Carlos M. Campos-Granados

113-130

Nutrient extraction of wild sunflower (Tithonia diversifolia) INTA-Quepos ecotype at three regrowth ages with three levels of nitrogen fertilization.

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Ricardo Alvarez-Brito, Augusto Rojas-Bourrillon, Michael López-Herrera

131-155

Effect of square banana on crude protein, starch, fiber and ruminal fermentation of legume silage

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Derling José Pichardo-Matamoros, Jorge Alberto Elizondo-Salazar

156-186

Impact of aflatoxins B1/M1 onthewelfare of dairy cows and their presence in dairy products

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Roger Molina-Coto, Juan Ignacio Herrera-Muñoz, Carlos Arroyo-Oquendo, Daniel Carballo-Guerrero

187-208

Experiences in the use of embryo transfer for the creation of a Girolando herd in Pococí, Costa Rica

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Jorge Alberto Elizondo-Salazar, Cynthia Rebeca Monge-Rojas

209-229

Fistulation in cattle and use of the rumen degradation technique for feed analysis

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Karol Ruiz-Villarreal, Reynaldo Vargas-Vargas, Miguel Castillo- Umaña, Alex Ríos- Moreno, Efraín Quintero-Chanis, Servelio Hernández-Argueta, Joseph Grajales-Cedeño

230-250

Effect of the volume of liquid diet on the consumption of concentrate and performance of dairy calves

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Lourdes Rojas-Molina, Jorge Alberto Elizondo-Salazar

251-268

Evaluation of the effect of cattle slurry on the production of Taiwan grass (Pennisetum purpureum) in an Andisol soil

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