The effect of altering the hay to concentrate ratio and concentrate composition on the rumen fermentation of dry sheep and milk production of lactating dairy ewes

This article focuses on the research activities performed in Argentina in the field of Analytical Chemistry in the last five years. It is organized in four major areas: I) Spectroscopy, II) Mass Spectrometry, III) Chromatography and IV) Electrochemistry. Citations, in general, are limited to journal articles and usually do not include patents, proceedings, reports and dissertations.