Abstract
Ammonia treatment of straw to improve its nutritive value has been widely investigated (Sundstføl and Coxworth, 1984) and techniques are now being applied commercially in many countries. Despite much research, there is a lack of experimental data collected under farm-scale conditions to demonstrate that ammoniating straw is worthwhile under United Kingdom conditions. Experiment 1 in the present study was a farm-scale trial and aimed to over-winter beef cattle at a growth rate of 0.55 kg/day, using concentrate supplements and untreated or ammonia-treated barley straw. Experiment 2 aimed to define the digestibility and intake of the straws, using wether sheep.
Published Version
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