Man

Juan Pablo Keim San Martín

Profesor Asistente

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

Líneas de Investigación


Nutrición de Rumiantes; Alimentación de vacas lecheras; Valor nutritivo de forrajes

Educación

  •  Doctorado en Ciencias Agrarias, UNIVERSIDAD AUSTRAL DE CHILE. Chile, 2012

Experiencia Académica

  •   Profesor Asistente Full Time

    UNIVERSIDAD AUSTRAL DE CHILE

    2009 - A la fecha

Experiencia Profesional

  •   Académico

    Universidad Austral de Chile

    Chile

    2009 - A la fecha

  •   Asistente de Investigación

    Universidad Austral de Chile

    Chile

    2008 - 2009


 

Article (19)

Concentrations of nutrients and profile of non-structural carbohydrates vary among different Brassica forages
Effect of a homofermentative lactic acid bacteria additive on the quality of sugar-beet pulp silage and animal response of dairy cows with restricted access to pasture
Effect of forage brassicas in dairy cow diets on the fatty acid profile and sensory characteristics of Chanco and ricotta cheeses.
In Vitro Fermentation Patterns and Methane Output of Perennial Ryegrass Differing in Water-Soluble Carbohydrate and Nitrogen Concentrations
Milk production responses and rumen fermentation of dairy cows supplemented with summer brassicas
Milk production responses, rumen fermentation and blood metabolites of dairy cows fed with increasing concentrations of forage rape
Pre-grazing herbage mass affects grazing behavior, herbage disappearance, and the residual nutritive value of a pasture during the first grazing session
Thermal Time as a Parameter to Determine Optimal Defoliation Frequency of Perennial Ryegrass (Lolium perenne L.) and Pasture Brome (Bromus valdivianus Phil.).
Characterization of Feeding, Sport Management, and Routine Care of the Chilean Corralero Horse during Rodeo Season
In vitro fermentation and in situ rumen degradation kinetics of summer forage brassica plants
Performance and carcass characteristics of steers fed with two levels of metabolizable energy intake during summer and winter season
Rumen In Vitro Fermentation and In Situ Degradation Kinetics of Winter Forage Brassicas Crops
Comparison of rumen in vitro fermentation of temperate pastures using different batch culture systems
Evaluation of sources of variation on in vitro fermentation kinetics of feedstuffs in a gas production system
Behaviour, tympanic temperature and performance of dairy cows during summer season in southern Chile
Prediction of crude protein and neutral detergent fibre concentration in residues of in situ ruminal degradation of pasture samples by near-infrared spectroscopy (NIRS)
Sward herbage accumulation and nutritive value as affected by pasture renovation strategy
Nutritive value, in vitro fermentation and methane production of perennial pastures as affected by botanical composition over a growing season in the South of Chile
In situ rumen degradation kinetics as affected by type of pasture and date of harvest

Proyecto (7)

Agricultural value of Bromus valdivianus Phil. as a pasture species
Optimising milk production of pasture-fed lactating dairy cows through the utilisation of winter and summer brassica crops
Evaluación del valor nutritivo de las brásicas forrajeras de utilización estival e invernal para vacas lecheras
Efecto de la composición botánica y época del año sobre parámetros de degradabilidad ruminal in situ de cuatro praderas permanentes y su predicción por NIRS
Evaluation of Lolium perenne L. cultivars under grazing conditions
Evaluación de la sustentabilidad de estrategias utilizadas para el mejoramiento de praderas degradadas
“Evaluación de la intensidad de pastoreo sobre atributos productivos y de sustentabilidad en producción de leche”

Review (1)

NUTRITIONAL STRATEGIES TO IMPROVE NITROGEN USE EFFICIENCY BY GRAZING DAIRY COWS
17
Juan Keim

Profesor Asistente

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

3
Oscar Balocchi

Profesor Titular

Facultad de Ciencias Agrarias

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

3
Rubén Pulido

Profesor Titular

Ciencia Animal

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

2
Christian Alvarado

Académico

Facultad de Ciencias Agrarias y Alimentarias

Universidad Austral de Chile

Valdivia, Chile

2
Monica Gandarillas

Profesor Asociado

Instituto Producción Animal

Universidad Austral de Chile

Valdivia , Chile

1
Jose Daza

Investigador

Ganadería

INTITUTO DE INVESTIGACIONES AGROPECUARIAS

Coyhaique, Chile

1
Luis Piña

Académico e investigador en el área de Manejo y Utilización de Praderas

Departamento de Producción Animal

Universidad de Chile

Santiago, Chile

1
Rodrigo Arias

Profesor Asociado

Producción Animal

UNIVERSIDAD Austral de Chile

Valdivia, Chile