Effects of 100% organic feeding on performance, carcass composition and fat quality of fattening pigs

IF 1.4 4区农林科学 Q3 AGRONOMY

Biological Agriculture & Horticulture Pub Date : 2022-09-19 DOI:10.1080/01448765.2022.2119889

N. Quander-Stoll, David Bautze, W. Zollitsch, F. Leiber, B. Früh

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Abstract

ABSTRACT In organic pig production, one important aim is to achieve 100% organic feeding. This generates the challenge of achieving adequate protein quality in pig feed. Until 31st December 2021, the protein quality in organic pig feed in Europe was improved by using 5% conventional components, mainly potato protein. To investigate the effects of 100% organic feeding on growth performance, meat and fat quality in pigs, a total of 700 fattening pigs were studied in an on-farm feeding trial. The 95% organic diet fed on each farm served as the control diet (CON) and a 100% organic diet with higher proportions of soybean cake and grain legumes was used as the experimental diet (ORG). ORG-fed animals had slightly lower daily weight gains, lower carcass weight, and significantly higher iodine and PUFA values in the backfat. The feeding trial showed that the 100% organic diet led to a slightly deficient dietary amino acid profile and thus to slightly lower performance in a few traits. However, the implementation of consistent 100% organic feeding was considered valuable for organic farming even with the lower performance and change in meat and fat quality of the organic pigs.

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100%有机饲喂对育肥猪生产性能、胴体组成和脂肪品质的影响

摘要在有机养猪生产中，一个重要目标是实现100%的有机饲养。这就产生了在猪饲料中获得足够蛋白质质量的挑战。截至2021年12月31日，欧洲有机猪饲料中的蛋白质质量通过使用5%的常规成分（主要是土豆蛋白）得到了改善。为了研究100%有机饲养对猪生长性能、肉质和脂肪品质的影响，对700头育肥猪进行了饲养试验。每个农场饲养的95%有机日粮作为对照日粮（CON），大豆饼和谷物豆类比例较高的100%有机日粮用作实验日粮（ORG）。ORG喂养的动物日增重略低，胴体重量较低，背部的碘和PUFA值显著较高。饲养试验表明，100%有机日粮导致日粮氨基酸含量略有不足，从而导致一些性状的表现略有下降。然而，即使有机猪的性能较低，肉和脂肪质量也发生了变化，实施一致的100%有机饲养也被认为对有机养殖有价值。

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来源期刊

Biological Agriculture & Horticulture 农林科学-农艺学

CiteScore

3.30

自引率

6.70%

发文量

审稿时长

>36 weeks

期刊介绍： Biological Agriculture & Horticulture aims to act as the central focus for a wide range of studies into alternative systems of husbandry, and particularly the biological or organic approach to food production. The Journal publishes work of a sound scientific or economic nature related to any aspect of biological husbandry in agriculture, horticulture and forestry in both temperate and tropical conditions, including energy and water utilization, and environmental impact.