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Invited review: Novel methods and perspectives for modulating the rumen microbiome through selective breeding as a means to improve complex traits: Implications for methane emissions in cattle
(2023-02-03)
The rumen microbiome is responsible for methane emission in ruminants. The study of microbes in the rumen has attracted great interest in the last decade. High-throughput sequencing technologies have been key in expanding ...
Efecto de la inclusión de Musa sp. en la conservación de Morus alba Linn.
(2020-11-26)
Objetivo: Evaluar el efecto de la inclusión de diferentes niveles de Musa sp. en la calidad nutricional y fermentativa de ensilajes de Morus alba Linn.
Materiales y Métodos: Se utilizó un diseño irrestricto completamente, ...
La Ovinocultura en Costa Rica: Caracterización Sectorial Año 2014
(2015)
En el primer semestre de 2014 se realizó una encuesta en Costa Rica a 184 productores de ovinos con el fin de caracterizar sus variables sociales, comerciales y zootécnicas de sus explotaciones. Se consideró variables ...
Fungal and ciliate protozoa are the main rumen microbes associated with methane emissions in dairy cattle
(2022-01-30)
Background: Mitigating the effects of global warming has become the main challenge for humanity in recent decades. Livestock farming contributes to greenhouse gas emissions, with an important output of methane from enteric ...
Effects of bacterial cultures, enzymes and yeast-based feed additive combinations on ruminal fermentation in a dual-flow continuous culture system
(2021)
Bacterial cultures, enzymes, and yeast-derived feed additives are often included in commercial dairy rations due to their effects on ruminal fermentation. However, the effects of these additives when fed together are not ...
Evaluation of performance and carcass traits for a five-cohort All Heifer, No Cow beef production system demonstration herd
(2020-10-27)
The All Heifer, No Cow (AHNC)
beef production system is an alternative to con ventional cow/calf production that involves in semination of nulliparous heifers with sexed
semen to produce female calves that are early ...
Consumo y venta del huevo de codorniz en Costa Rica
(2021)
El sector coturnicultor costarricense está en proceso de desarrollo; aún no se han documentado en la literatura aspectos productivos, económicos, de mercado o comercialización asociados al ...
Efecto del alojamiento, reuso de la cama y almacenamiento en la composición química de la pollinaza
Effect of housing, recycling and storage on poultry litter chemical composition
(2019-07-01)
Se efectuaron análisis químicos a 26 muestras de pollinaza fresca obtenida de 18 granjas de pollo de engorde con galeras abiertas o convencionales y galeras cerradas o tipo túnel con camas de un solo uso y reutilizadas de ...