The benefits of adding organic materials to the soil are well known, and one this is animal manure. Addition to this, the poultry or chicken manure the high nutrition if it compares with other manures. Thus, my question is if we compare between two types of chicken manures, which one is richer in nutrients, the manure broiler (meat chicken) or chicken manure producing eggs? if we applied directly to soil or after composting. Therefore, my request is to provide me any practical suggestions to increase my knowledge concerning these issues, besides the literature review, technical report and articles also are needed.
This is really an interesting question. I feel, manures will be much richer in nutrients from those chickens laying eggs than broilers...
Digestibility of nutrients is lower in young birds than in adult ones, see attachment, so I expect more nutrients in broiler faeces.
Next to that broiler diets usually contain more nutrients than layer diets.
Article The energy content of full-fat soya beans in meal and pellet...
You also need to consider how much wood shavings are in the manure and because layer manure tends to have little or no wood shavings, it therefore normally has the higher nutrient content.
These enclosed PDFs would be handy in extending the on-going discussion further...
Your question Mohammed is not easy to answer because the genetics of poultry breeds has diverged very much between egg laying breeds and broilers (meat breeds). However, assuming that we would test your hypothesis with a dual purpose breed and given that the nutrition and management of the birds is the same, I would predict no difference in the quality of the manure.
There is much need to experiment on this.. but I think the difference will depend on the nutritional value of their feeds, the nutritional requirements of them eg the droppings from layers will content less calcium and phosphorus as they are required for egg production.
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