Effect of Xylanase in diets containing pre-characterised wheat varieties on the performance of weaner pigs

Previous studies (Partridge et al., 1999) have shown that the level of improvement in voluntary feed intake of pigs fed xylanase-supplemented wheat-based diets was dependent on the initial quality of the wheat. Two wheat cultivars (Stiletto and Currawong) were chosen which had similar digestible energy (DE) values (13.3 and 13.4 MJ/kg DE, respectively, Kim et al., 2001), but different feed intake responses in weaner pigs when included at 90% in the feed (higher with Currawong). In this study the two cultivars were compared in a performance trial using conventional wheat-based diets that were titrated with multiple levels of a xylanase-based product. Sixty, 21-day-old male pigs (Large White x Landrace) averaging 5.9 kg live weight were stratified on the basis of weight at weaning. Two wheat-based weaner diets, with Stiletto and Currawong included at 650 g/kg, were formulated to contain 14.5 MJ DE/kg and 0.85 g lysine/MJ DE. Porzyme 9300, containing 4000 U/g xylanase, was added at 0, 0.25, 0.50, 0.75 and 1.00 kg/t to each diet. Pigs were housed individually and offered the diets ad libitum for 27 days. Feed intake, growth and feed conversion ratio (FCR) were measured. Analysis of variance was used to analyse the results

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Product / service:	Carbohydrases and Proteases
Publication date:	01/01/2001
Species:	Pig, Nursery/piglet
Authors:	Simmins PH, Pluske JR, Mullan BP
Doctype:	Publications & Citations
Publication / conference:	Manipulating Pig Production, VIII. Proceedings of the Eight Biennial Conference of the Australasian Pig Science Association, Adelaide, Australia
Regions and countries:	Global
Keywords:	ad, libitum, analysis, of, variance, australia, conventional, conversion, cultivar, dan, de, diet, diets, digestible, energy, dose, response, fcr, feed, ratio, intake, growth, large, white, live, weight, male, multiple, performance, pig, production, pigs, porzyme, 9300, pre-charactrisation, quality, varieties, variety, weaner, weaning, wheat, cultivars, xylanase
Production challenge(s):	Gut health
Diets:	Wheat, rye & triticale, Corn, broken rice, wheat, Corn, broken rice, sorghum, Wheat, rye and tricale containing by-products
Brands:	Porzyme® tp 100, Danisco Xylanase, Porcheck
Resource ref:	6623
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Effect of Xylanase in diets containing pre-characterised wheat varieties on the performance of weaner pigs

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