Effect of zeolite on swill diets and concentrate feed with Saccharina for fattening pigs

One hundred and twenty pigs from the Duroc Yorkshire x Hampshire crossbred with an initial live weight of 30 kg were used to study the effect including zeolite in diets of Feed with Saccharina and swill for fattening pigs by a completely randomized design. Animals were distributed in 5 treatments: 1) feed with Saccharina without zeolite; 2) 95 % of the feeding standard with Saccharina + 5 % f zeolite; 3) 100 % of the feeding standard with Saccharina + 5 % of zeolite; 4) 90 % of the feeding standard with Saccharins + 10 % of zeolite and 5) 100 % of the feeding standard with Saccharins + 10 % of zeolite. Differences in performance were not found with respect to the treatments where the feed was replaced by zeolite. When the treatment with 100 % of the standard + 5 % zeolite was applied the live weight daily gain improved significantly as well as the conversion with respect to the control. It is confirmed that 5 % zeolite is an adequate level for this type diet and its inclusion may be either by substitution by addition to the type of feed used.