Response of broiler chickens to diets containing artificially dried high-moisture maize supplemented with microbial enzymes

    In many parts of the world, especially in humid areas, maize is harvested with relatively high moisture content, with a view to minimizing damage in the field when left to dry naturally. The grain is then subjected to artificial drying, which may result in loss of quality such as an increase in retrograde starch (Brown, 1996). The retrograde starch is caused by high temperature heating of grains followed by storage at a lower temperature. The digestibility of cereal grains is influenced by the starch component, especially the ratio between amylose and amylopectin (McDonald et al., 1995). Noy & Sklan (1994) stated that about 15% of maize starch is known to remain undigested up to the terminal ileum and is assumed to be resistant to digestion. This presents an opportunity for the use of exogenous enzymes as is done with wheat and other temperate cereals. This paper examines the benefits of feed enzyme use in terms of performance and profitability in South Africa.
    Document information
    Product / service: Carbohydrases and Proteases
    Publication date: 01/10/2010
    Species: Broiler
    Authors: Iji PA, Bhuiyan, M.M, Islam, A.F
    Doctype: Publications & Citations
    Publication / conference: South African Journal of Animal Science
    Regions and countries:
    Keywords: quality, maize, variability
    Production challenge(s): Variability in feedstuffs quality and price
    Diets: Maize
    Brands: Avizyme®, Axtra® XAP, Optimize Feed
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