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Pig breeding is a profitable activity for small and large farms, being currently influenced in an increasing extent, by the international competition in this area. As a result, pig breeders must keep pace with changing technologies and production techniques to maintain the competitiveness of their farms. Also, it is necessary to take into account the new European regulations, particularly those relating to the environmental protection, the comfort of animal and food safety. The objective of this paper represents t...

Natural zeolites and synthetic ones are porous materials characterized by the ability to lose and gain water reversibly, to adsorb molecules having a corresponding cross section diameter (adsorption properties or which act as a molecular sieve), as well as to exchange constitutive cation without a major change in their structure (proprietary ion exchange). The exploitation of these properties underlies the use of zeolites in a wide range of industrial and agricultural applications and in particular in animal nutri...