this is indeed interesting. But I suspect it is more 'effect' than 'cause' with growing chicks; their appetites would have been responding to the body's self-monitoring and -regulating systems, and the organs and other bodily tissues grow at various rates, so need different things at different...
I'm sure you're right. Do the plants you've established in their yard also provide them with some food? For example, some cornus produce edible fruit, and those that attract insects will bring in protein on the wing or foot.
He assumes the feed is being purchased in most cases. He gives advice on how to assess the quality, e.g. "oat samples vary enormously in quality, and many of the inferior samples are almost valueless, consisting principally of husk. Only plump white oats should be purchased. They should be...
Since many people are now experimenting with supplementing their chickens' diets, or even making their own feed, but often are not sure what should be in it, I thought it might be useful to transcribe some recipes from Leonard Robinson Modern Poultry Husbandry, published in 1948, and based on...