Evaluation of some effectiveness elements of the pig breeding industry in Bulgaria, through cluster analysis

Biotehnologija u stocarstvu Pub Date : 1900-01-01 DOI:10.2298/bah1901025z

I. Zapryanova

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引用次数: 1

Abstract

An evaluation was made of the effectiveness elements of the pig breeding industry in Bulgaria in the period 2001-2016, through cluster analysis. The studied period was divided in 3 subperiods, each one with three similar groups (clusters). Through application of cluster analysis, the proximity of the different administration regions in the country was defined in accordance with certain indicators of the pig breeding effectiveness. It was found that in the first cluster for the period 2001-2006 fall North-Western and South-Western region. The North-Eastern and North-Central region form the second cluster. The South-Eastern and South-Central region fall mainly into the third cluster. In the first cluster for the period 2007-2011, the North-Western, South-Western and South-Central regions have a priority with the lowest number of sold animals. The North-Eastern and the North-Central region, forming a third cluster, remain with the highest effectiveness of the pig farming. After the end of 2013 an aggregation of the sector began. For the period 2012-2016, the second cluster is formed from three regions - North-Western, South-Western, and South-Central in 2013.

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通过聚类分析对保加利亚养猪业的一些有效要素进行评价

通过聚类分析，对2001-2016年保加利亚养猪业的有效性要素进行了评估。研究期分为3个亚期，每个亚期有3个相似的组(聚类)。通过应用聚类分析，根据生猪养殖有效性的某些指标确定了全国不同行政区域的邻近程度。研究发现，2001-2006年期间，第一个集群落在西北和西南地区。东北和中北部地区构成第二集群。东南和中南部地区主要属于第三类。在2007-2011年期间的第一批中，西北、西南和中南部地区优先出售的动物数量最少。东北和中北部地区形成了第三个集群，仍然是养猪效率最高的地区。2013年底之后，该行业开始进行整合。2012-2016年，2013年形成了西北、西南、中南部三个区域的第二集群。

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Biotehnologija u stocarstvu

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