H. V. Masey O’Neill

Introduction In recent years, the cost of energy for feed has increased, with increasing demand for cereals from the biofuels industries. It follows that there is currently pressure on feed manufacturers to maximise their efficiency of nutrient utilisation, particularly of energy but also phosphorous. The net result is that feed manufacturers are moved to consider use of feed additive enzymes such ...

I. INTRODUCTIONExogenous xylanase has been routinely added to non-ruminant diets for more than 20 years. In diets based on cereals such as wheat and rye, the mechanism of action is likely to centre on viscosity reduction and improved diffusion of nutrients in the intestine. Though this mechanism is almost certainly involved, interactions with fats and a reduction in the presence of bacteria in the ...