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Studies with sugar beat pulp (SBP) have suggested that high levels (up to 650/kg dry matter (DM)) in the diet may beneficially reduce voluntary intake and live-weight gain (LWG) in pregnant sows. (Brouns, Edwards and English, 1995). Similarly, increasing the ratio of SBP: barley from 0.5:0.5 to 0.8:0.2 in the diet of growing sheep reduced LWG, DMI and apparent rate of ruminal digestion (Rouzbehan, Galbraith, Rooke and Perrott, 1994). The effects recorded have been associated with increases in viscosity of digesta due to the presence of non-starch polysaccharides (NSPs). The objective of this study was to determine whether pre-treatment with enzymes (a) may reduce NSP concentrations, measured by breakdown to reducing sugars, and (b) increase the rate of utilisation of NSP in ruminant diets.
Numerous studies have clearly shown that the digestibility of phosphorus in pig diets can be improved 20-30% by supplementation with Natuphos® phytase allowing the phosphate content of the feed to be reduced without the P-intake becoming deficient. It is also well accepted that organic acids can significantly improve performance of pigs, particularly up to 30kg liveweight, and recently that synergistic benefits result when both Natuphos® phytase and organic acids are included in the same ration. The objective of this study was to investigate the influence combining Natuphos® phytase (replacing calcium and phosphorus) and organic acids (liquid v dry product) on growing/finishing pig performance.
Newly weaned pigs frequently show high levels of oral-nasal behaviour directed towards penmates which may cause injury if taking the form of ear and tail biting. It has been suggested that such behaviours may be motivated by both behavioural and nutritional influences. This experiment was carried out to investigate whether the provision of nutrient blocks supplying minerals, trace elements and herbs could reduce penmate-directed behaviours in weaned piglets.
Concerns over pollution from intensive animal production has lead to developments in enzyme technology to improve the utilisation of minerals such as phosphorous (P) from the diet, and to reduce levels of added inorganic minerals. BASF Natuphos® (registered trademark of Gist-brocades) is a formulation of microbial phytase which improves digestibility of P from plant origin. The aim of this study was to determine whether reducing levels of inorganic P (Dicalcium Phosphate-18%P) and including quantities of Natuphos® would effect have any effect on growth performance and bone strength.
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