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During the culture period of shrimps, generally, different types of feed are used. They vary in their physical appearance and their sizes. It is very common that in shrimp farming at least three starter feeds and between two and three grower feeds are fed to the animals. In most cases starter feeds as well as grower feeds have identical nutritional values within the same starter/grower category. The only difference is the physical appearance in terms of pellet length and pellet or crumble diameter. Earlier trials have demonstrated that neither the pellet length nor the pellet diameter have an impact on shrimps’ performances. Crumbled starter feed on the other hand, is a water pollutant and can be replaced successfully by pelleted starter feed.