FiBL, Research Institute of Organic Agriculture, Vienna, Austria.
J Sci Food Agric. 2010 Jan 30;90(2):175-82. doi: 10.1002/jsfa.3805.
Feeding experiments comparing organically and conventionally produced food are performed to assess the overall impact on the animals' health as a model for the effects experienced by the human consumers. These experiments are based on systems research and characterized by their focus on production methods, whole food testing and procedures in accordance with the terms of organic farming. A short review of such experiments shows that the majority of these tests revealed effects of the organically produced feed on health parameters such as reproductive performance and immune responses. Systems research is not just about simple cause-effect chains, but rather about the pluralism of interactions in biological networks; therefore, the interpretation of the outcome of whole food experiments is difficult. Furthermore, the test diets of organic and conventional origin can be constituted in different ways, compensating for or maintaining existing differences in nutrient and energy contents. The science-based results suggest positive influences from organic feeds, but there is still a need for confirmation in animals and, finally, in humans. For this purpose animal feeding trials with feed from different production systems should be conducted, with the aims to define health indicators and to establish biomarkers as a basis for future dietary intervention studies in humans.
进行有机生产和传统生产的食品对比喂养实验，以评估其对动物健康的整体影响，以此作为人类消费者所体验到的影响的模型。这些实验基于系统研究，其特点是侧重于生产方法、全食品测试以及符合有机农业规定的程序。对这些实验的简要回顾表明，大多数这些测试都揭示了有机生产饲料对生殖性能和免疫反应等健康参数的影响。系统研究不仅仅是关于简单的因果关系链，而是关于生物网络中相互作用的多样性；因此，全食品实验结果的解释是困难的。此外，有机和传统来源的测试饮食可以以不同的方式构成，补偿或维持营养和能量含量的现有差异。基于科学的结果表明有机饲料有积极的影响，但仍需要在动物身上，最终在人类身上得到证实。为此，应该进行不同生产系统的饲料的动物喂养试验，目的是确定健康指标，并建立生物标志物作为未来人类饮食干预研究的基础。
