Marble goby and Tra catfish fed with Earthworm
Marble goby and Tra catfish fed with Earthworm becomes hot tittle for science not only Vietnam, but also worldwide Two studies were conducted at the experimental farm of An Giang University, Viet Nam. Marble goby and Tra catfish fed with Earthworm The first study on the growth of earthworms (Perionyx excavates) was a 2*2 factorial experiment with 4 replicates, in which the treatments were: source of manure (cow or buffalo) and supplementation with water hyacinth at 25% of the weight of manure (DM basis) or none. Adding chopped water hyacinth to buffalo or cattle manure led to a decrease
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