Methionine should be added to cow diets to restore amino acid balance and optimise lactation performance. However, it must be supplied in a form which protects it from the micro organisms in the rumen. A new chemical derivative of methionine has been...

01 feb 2006

The term bypass has become widely used to describe treatments which allow nutrients, especially proteins, to pass largely unchanged through the rumen for digestion in the omasum or abomasum.

01 jun 2005

How well do we understand protein nutrition? Research has led us a long way towards a full understanding of the mechanisms of digestion and absorption of proteins and amino acids, but the true value of specific intestinal transport molecules for smal...

01 jun 2003

As the BSE hysteria calms, some of the quieter voices are still audible. These are offering alternative explanations for the cause of the epidemic. Though research is still in its infancy, Czech scientist Dr Josef Hlásny firmly believes that scrapie...

01 apr 2002

Supplying only proteins of plant origin to ruminants is an expensive and sometimes inadequate alternative to animal sources. One French company has concentrated five years’ worth of research on getting the most out of plant protein sources by a lowe...

01 feb 2002

A variety of feed additives and feed ingredients, some with excellent nutritional properties, have become questionable. What are the advantages and disadvantages of these doubtful ingredients and what are the alternatives?

01 feb 2002

The rumen is a highly evolved and adaptable fermentation system for breaking down otherwise indigestible plant materials. Yet many scientists are seeking to develop proteins which bypass rumen digestion altogether in order to increase productivity.

01 sep 2001

01 sep 2001