Variation in daily percentage of liveweight and frequency of feeding during the development phase of silver catfish (Rhamdia quelen) von Graeff, Á, Pruner, E.N

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Percentil variation and feeding frequeency supplied in the final development of silver calfish ( Rhandia quelen ) in the phase von Graeff, Á, Pruner, E.N

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Effect of different levels of crude protein in rations on growth of carps (Cyprinus carpio L., 1758) in two densities von Graeff, A, Pruner, E.N

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Effect of population density, on the productivity of carp (Cyprinus carpio var specularis), in the fattening stage, during the summer von Graeff, A, Pruner, E.N

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