Abstract
Eight nests of two squabs were weaned at 24 days then housed in individual cages. A squab of each nest received a commercial feed for racing pigeons, the other group received the same feed but supplemented with xylanase, β-glucanase, pectinase and hemicellulase. No difference in body weight was observed between groups. Despite feed restriction, intake was higher for enzyme-sup- plemented diet. When related to feed intake, excreta were lower by 11% for enzyme-supplemented diet. Enzyme addition improved dry matter, organic matter, protein, energy and fibre retention. These results may show that pigeons are more sensitive to enzymes than common poultry. pigeon / enzymes / growth / metabolizable energy
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