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Economic impact of decreasing stocking densities in broiler production in Belgium

机译：比利时肉鸡生产中种群密度下降的经济影响

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摘要

Stocking density is a prominent topic in public debates on animal welfare and was one of the reasons for the European Commission to set limits to the stocking density on broiler farms. The objective of this paper was to calculate in detail the financial impact of changes in technical and management variables due to decreasing stocking densities in line with new European Union (EU) regulations. Therefore, the productive performance indicators such as BW, mortality, or feed conversion and farm technical data such as water consumption and heating of 3 independent experiments conducted at a poultry research station in Flanders (Belgium) were combined. Using the partial budget technique only those elements that change with stocking density have been taken into account. Reducing stocking density implies a recalculation of all costs on a reduced number of birds. This yields an economic situation that leaves hardly any profit margin for most of the broiler producers under the present market conditions. It was found that the critical threshold of stocking density for maintaining profitability under the present market and technical conditions is around 46 kg/m(2), thus well above the EU maximum of 42 kg/m(2). It is shown, however, that with changing broiler feed and meat prices, the impact might be less negative in economic terms.
机译：放养密度是有关动物福利的公开辩论中的重要话题，也是欧盟委员会限制肉鸡场放养密度的原因之一。本文的目的是详细计算由于根据新的欧盟（EU）法规降低的库存密度而导致的技术和管理变量的变化对财务的影响。因此，将在法兰德斯（比利时）的家禽研究站进行的3个独立实验的生产性能指标（如体重，死亡率或饲料转化率）和农场技术数据（如水消耗和供暖）相结合。使用部分预算技术时，仅考虑了随库存密度而变化的那些要素。降低饲养密度意味着要对减少数量的禽类重新计算所有成本。这产生了一种经济形势，在目前的市场条件下，大多数肉鸡生产商几乎没有任何利润空间。发现在当前市场和技术条件下保持盈利的关键库存密度临界阈值约为46 kg / m（2），因此远高于欧盟最高的42 kg / m（2）。然而，事实表明，随着肉鸡饲料和肉类价格的变化，其经济影响可能较小。

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