Results 81 to 90 of about 217,685 (167)

Taninos y fenoles sobre la fermentación in vitro de leñosas forrajeras tropicales

open access: yesAgronomía Mesoamericana, 2007
Con el objetivo de determinar la actividad biológica de factores antinutricionales en nueve follajes y cinco frutos arbóreos forrajeros de la región central del estado de Chiapas, México, se llevó a cabo el presente trabajo durante el año 2006.
René Pinto-Ruiz   +5 more
doaj   +1 more source

Economies of scale and obstacles to land reform, Andalusia 1931-36 [PDF]

open access: yes, 2006
Proceedings of the Sixth European Social Science History Conference, Amsterdam, 22-25 March 2006 ...
Carmona, Juan, Simpson, James
core   +1 more source

Análisis inductivo de las percepciones sociales acerca de los servicios de los ecosistemas de la ganadería de montaña [PDF]

open access: yes, 2015
El objetivo de este trabajo fue conocer las percepciones sociales sobre las relaciones entre la ganadería y el medio ambiente en agro-ecosistemas mediterráneos de montaña.
Bernués Jal, Alberto   +4 more
core  

Classification, characterisation and strategies for improvement of cattle and sheep pasture systems in marginal areas of Southern Chile [PDF]

open access: yes, 2018
Pasture-based livestock systems in farms with medium or low size are especially important in less favored areas and are valuable for society. For these systems to survive, it is necessary to obtain an acceptable level of productivity and ensure ...
Avilez, J. P.   +5 more
core   +4 more sources

Early feed restriction of lambs modifies ileal epimural microbiota and affects immunity parameters during the fattening period

open access: yesAnimal, 2018
Bacteria firmly attached to the gastrointestinal epithelium during the pre-weaning phase may show a significant impact on nutrient processing, immunity parameters, health and feed efficiency of lambs during post-weaning phases.
J. Frutos   +8 more
doaj   +1 more source

Acorns for fattening free-range pigs (OK-Net Ecofeed Practice Abstract) [PDF]

open access: yes, 2020
- The fattening performance is very much influenced by the age of pigs and their compensatory growth; hence, pigs should be as old as possible (≥1 year) and adapted to grazing.
Díaz-Gaona, Cipriano   +4 more
core  

Ganadería trashumante en La Serena [PDF]

open access: yes, 1982
En número dedicado a: La provincia de ...
González Peña, María Luisa
core   +1 more source

Iniciativas de mitigación al cambio climático en sistemas de producción de carne bovina en países tropicales [PDF]

open access: yes, 2017
La producción ganadera se basa principalmente en el uso de sistemas extensivos de pastoreo, el cual es un sistema ineficiente que genera niveles bajos de rentabilidad y por ende altas emisiones por unidad de producto.
Arango, Jacobo   +7 more
core  

Impact of oxalic acid on rumen function and bacterial community in sheep

open access: yesAnimal, 2013
Oxalic acid (OA) is a secondary compound occurring in a wide range of plants consumed by ruminants, especially in saline lands or in arid and semi-arid regions.
A. Belenguer   +5 more
doaj   +1 more source

Back pages of No. 51, 1992 [PDF]

open access: yes, 1992
Charles Darwin Foundation ...

core  

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