Hens have little tendency to broodiness; pullets may begin to lay at 5 months. The hens make excellent mothers, with a strong tendency towards broodiness. Placing artificial eggs into nests also stimulates broodiness. The poor performance as an egg producer is attributed to the broodiness of the hens. In some breeds such as the White Leghorn, broodiness is extremely rare. The performer also sometimes indulges in a mush-mouthed Brando broodiness that seems inappropriate here. In heavy breeds of chickens, warm weather tends to bring about broodiness. Poultry farming in battery cages also helps to avoid broodiness. They have a friendly disposition, and a high tendency towards broodiness. To stimulate broodiness, owners may place several artificial eggs in the nest.