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Abstract
1. The performance of White Leghorn laying hens on diets providing pearl millet (Pennisetum typhoides) at 300 and 600 g/kg to replace maize, part per part, or “maize mix” isoenergetically and isonitrogenously in the first experiment and at 600 g/kg diet to replace maize in toto, part per part, in the second experiment were examined. In the first experiment, 3 groups of 12 laying hens were placed on each of the 5 dietary treatments for 3 X 28 d, whereas in the second experiment, each of the two diets was offered to 10 groups of 15 laying hens for 6 X 28 d.
2. Inclusion of pearl millet in the diet at the expense of maize, part per part, did not significantly influence hen‐day egg production, feed intake, feed efficiency and body weight in either experiment. Incorporation of pearl millet isoenergetically at the expense of “maize mix” at any level, i.e. 300 g or 600 g/kg (Experiment 1), also did not influence hen‐day egg production but at the end of periods 2 and 3 did result in decreased feed intakes with consequent improvements in feed efficiency.
3. Egg weight in general showed a tendency to improve with diets providing pearl millet at 600 g/kg.
4. Profits from egg sales over feed cost were directly proportional to the inclusion of pearl millet in the diet either at the expense of maize, part per part, or “maize mix” isoenergetically.