Chicken manure
Studies

In 1986, a master's thesis study in the Philippines compared the effects of using various fertilizers to enhance milkfish production in brackish water ponds. The study compared the use of using chicken manure only, cow manure only, 16-20-0 fertilizer only, a mixture of cow manure and 16-20-0 fertilizer, a mixture of chicken manure and 16-20-0 fertilizer, and a control group that used no fertilizer. The study concluded that the use of cow manure only as a fertilizer fared best, and the use of chicken manure only as a fertilizer fared second best.
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