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当前位置: 首页 > 文章 > Trends in feed evaluation for poultry with emphasis on in vitro techniques 动物营养(英文) 2021,7 (2)
Position: Home > Articles > Trends in feed evaluation for poultry with emphasis on in vitro techniques Animal Nutrition 2021,7 (2)

Trends in feed evaluation for poultry with emphasis on in vitro techniques

作  者：
F. Zaefarian;A. J. Cowieson;Katrine Pontoppidan;M.R. Abdollahi;V. Ravindra
单  位：
Monogastric Research Centre, School of Agriculture and Environment, Massey University, Palmerston North 4442, New Zealand;Novozymes A/S, DK-2800 Kgs, Lyngby, Denmark;DSM Nutritional Products, Wurmisweg 576, Kaiseraugst, Switzerland;Monogastric Research Centre, School of Agriculture and Environment, Massey University, Palmerston North 4442, New Zealan
关键词：
Energy;Feed evaluation;In vitro techniques;In vivo assay;Poultry;Protei
摘  要：
Accurate knowledge of the actual nutritional value of individual feed ingredients and complete diets is critical for efficient and sustainable animal production. For this reason, feed evaluation has always been in the forefront of nutritional research. Feed evaluation for poultry involves several approaches that include chemical analysis, table values, prediction equations, near-infrared reflectance spectroscopy, in vivo data and in vitro digestion techniques. Among these, the use of animals (in vivo) is the most valuable to gain information on nutrient utilization and is more predictive of bird performance. However, in vivo methods are expensive, laborious and time-consuming. It is therefore important to establish in vitro methods that are reliable, rapid and practical to assess the nutritional quality of feed ingredients or complete diets. Accuracy of the technique is crucial, as poor prediction will have a negative impact on bird performance and, increase feed cost and environmental issues. In this review, the relevance and importance of feed evaluation in poultry nutrition will be highlighted and the various approaches to evaluate the feed value of feed ingredients or complete diets will be discussed. Trends in and practical limitations encountered in feed evaluation science, with emphasis on in vitro digestion techniques, will be discussed.

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