Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Raúl R. Vera"'
Autor:
Raúl R. Vera, Phanor Hoyos Garcés
Publikováno v:
Tropical Grasslands-Forrajes Tropicales, Vol 7, Iss 1, Pp 1-13 (2019)
The Eastern Plains of Colombia (“Llanos”) are made up of acid soils with low nutrient concentrations covered by tropical savannas, but they constitute a very important land resource for the country. The Llanos have traditionally supported extensi
Externí odkaz:
https://doaj.org/article/1fb5319f08354dad8d9f774540552220
Publikováno v:
Tropical Grasslands-Forrajes Tropicales, Vol 5, Iss 2, Pp 50-65 (2017)
Extensive, rangeland-based beef production systems that predominate in the neotropical savannas of northern South America are low input-low output beef breeding systems, and their intensification faces major hurdles due to their location, soil, water
Externí odkaz:
https://doaj.org/article/ca93648b287f408f9c6544f5b68c9217
Publikováno v:
Grasas y Aceites, Vol 60, Iss 5, Pp 484-491 (2009)
The objective of the present research was to determine the contents of fat, cholesterol and fatty acids of eight beef cuts from unsupplemented, suckling, 7-8 month old male and female calves reared on permanent pastures in the VIIth Region of Chile b
Externí odkaz:
https://doaj.org/article/5e5d5e2ddde44806bee26a6d29be6052
Publikováno v:
Agriculture, Ecosystems & Environment. 281:35-46
The savannas of eastern Colombia located in the Orinoco river basin represent 18% of the Latin American neotropical savannas, and those areas that are tillable and closer to markets are subject to considerable anthropic pressure in the quest for inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2324e11ca5c313766723d41da6f469ef
https://doi.org/10.1016/j.agee.2019.05.004
https://doi.org/10.1016/j.agee.2019.05.004
Publikováno v:
Animals : an Open Access Journal from MDPI
Animals
Volume 9
Issue 12
Toro-Mujica, P, Vera, R, Vargas-Bello-pérez, E, Pinedo, P & Bas, F 2019, ' Trends and drivers of change of pastoral beef production systems in a mediterranean-temperate climate zone of chile ', Animals, vol. 9, no. 12, 1135 . https://doi.org/10.3390/ani9121135
Animals
Volume 9
Issue 12
Toro-Mujica, P, Vera, R, Vargas-Bello-pérez, E, Pinedo, P & Bas, F 2019, ' Trends and drivers of change of pastoral beef production systems in a mediterranean-temperate climate zone of chile ', Animals, vol. 9, no. 12, 1135 . https://doi.org/10.3390/ani9121135
The present study used surveys of the cattle sector over the period of 2009&ndash
2015 to develop a typology of cattle farms to evaluate their evolution over time and to identify variables that may be associated with systems&rsquo
adaptive
2015 to develop a typology of cattle farms to evaluate their evolution over time and to identify variables that may be associated with systems&rsquo
adaptive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7a6fd549dd494bdc348f9ebc2acc687
http://europepmc.org/articles/PMC6941165
http://europepmc.org/articles/PMC6941165
Publikováno v:
Agricultural Systems. 157:22-38
Grassland based sheep production systems in the semi-arid to sub-humid Central region of Chile are expected to improve technical and economic efficiency, while at the same time decreasing emissions of greenhouse gases (GHG). An existing empirical, st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24fb1fd98a92461dbb51c5c9a67be360
https://doi.org/10.1016/j.agsy.2017.06.012
https://doi.org/10.1016/j.agsy.2017.06.012
Publikováno v:
Archivos de Zootecnia. 67:61-71
Los sistemas de producción de carne bovina en una de las principales zonas ganaderas del Sur de Chile son identificados y caracterizados tomando como base de agrupación las combinaciones de aprovechamientos de especies vegetales. El objetivo del tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7f59043c535e2bb7032c31da8b9ff7f
https://doi.org/10.21071/az.v67i257.3492
https://doi.org/10.21071/az.v67i257.3492
Autor:
Raúl R. Vera
This chapter describes trends in grassland management and utilization in subtropical and tropical Latin America and the Caribbean in the 1990s, and attempts to identify some of the main issues likely to dominate the sector in the early twenty-first c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0bfade4cf4898fd8f82d545962099d0
https://doi.org/10.1201/9780429187872-21
https://doi.org/10.1201/9780429187872-21
Autor:
Daniel Enriquez-Hidalgo, Fernando Bas, Paula Toro-Mujica, Raúl R. Vera, Einar Vargas-Bello-Pérez, Pablo Pinedo
Publikováno v:
Agricultural Systems. 182:102841
Dairy production systems are heterogeneous as they are influenced by farm location and structure, markets, environmental conditions, and the producers' preferences and peculiarities. A typology of the existing dairy systems in Chile was developed wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04cd9634266c920f4e416c9ae098b5ff
https://doi.org/10.1016/j.agsy.2020.102841
https://doi.org/10.1016/j.agsy.2020.102841
Autor:
Cristian Arraño, Lisbeth Robles, Raúl R. Vera, Constanza del Río, Paula Toro-Mujica, Estefanía Corvalán, José Luis Riveros
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] An exploratory study was conducted to analyze combinations of variables that define typological groups that condition the abandonment/continuity of sheep farming in the semi-arid region of Chile. Three typological groups were identified. Group I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c53a48e1b9c04f72bac34659f4799f90
https://doi.org/10.7201/earn.2019.02.06
https://doi.org/10.7201/earn.2019.02.06