Differences and similarities in the milk production chain: a comparative analysis with the states of Minas Gerais and Paraná

Adriano Oliveira Cruz, José kennedy Lopes Silva, Elvis Moura da Silva, Antônio Carlos dos Santos, L. M. Antonialli
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Abstract

Brazilian agriculture has played a prominent role all over the world, being milk production one of the exponents of the national agribusiness. The states of Minas Gerais and Parana are protagonists in the milk production business in the country. The objective of this study was to evaluate the differences and similarities of the milk production chain in these two states, considering the period from 2008 to 2017, in order to investigate their dynamics and their competitiveness. The methodological approach adopted in the research was of a quantitative nature, with the use of the software “Statistical Package for the Social Sciences” (SPSS), which allowed the analysis to be carried out with the statistical techniques of analysis of variance (Anova) and cluster analysis. Ward’s agglomerative method and discriminant analysis were also adopted. The state of Minas Gerais presented a superior milk production chain in comparison with Parana in every year analyzed; however, statistically there was no significant difference in the milk production from 2009 to 2017. Parana presented better milk productivity averages as compared to Minas Gerais; it was highly significant (1%) from 2008 to 2016 and significant (5%) in 2017. The results of the cluster analysis indicated that, due to the fact that Parana has higher productivity indexes in relation to Minas Gerais, its limits are better in relation to Minas Gerais in the analyzed aspects. It was found that some municipalities that are considered to have high productivity in Minas Gerais do not enter this same group in Parana. It can be said that Parana was shown to be more efficient in the milk production chain as compared to Minas Gerais in the analyzed time period. The article indicates the need to improve the technology used in the milk production chain, so that the numbers related to productivity can be improved. In addition, it was found that it is necessary to invest in genetics and technical assistance so that milk producers in the states surveyed can become more competitive.
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牛奶生产链的异同:与米纳斯吉拉斯州和巴拉那州的比较分析
巴西农业在世界范围内发挥了突出作用,牛奶生产是国家农业综合企业的代表之一。米纳斯吉拉斯州和巴拉那州是该国牛奶生产行业的主角。本研究的目的是评估这两个州2008年至2017年期间牛奶生产链的异同,以调查其动态和竞争力。本研究采用的方法是定量的,使用了“社会科学统计软件包”(SPSS)软件,该软件允许使用方差分析(Anova)和聚类分析的统计技术进行分析。采用Ward’s聚类法和判别分析法。与巴拉那州相比,米纳斯吉拉斯州每年的牛奶生产链都更优越;然而,从统计上看,2009年至2017年的产奶量没有显著差异。与米纳斯吉拉斯州相比,巴拉那州的平均产奶量更高;2008年至2016年为极显著(1%),2017年为显著(5%)。聚类分析结果表明,由于巴拉那州相对于米纳斯吉拉斯州具有更高的生产力指标,因此在分析的方面,巴拉那州相对于米纳斯吉拉斯州的局限性更好。研究发现,在米纳斯吉拉斯州,一些被认为生产率较高的城市在巴拉那州却没有进入这一群体。可以说,在分析的时间段内,与米纳斯吉拉斯州相比,巴拉那州在牛奶生产链上的效率更高。文章指出,需要改进牛奶生产链中使用的技术,以便提高与生产力相关的数字。此外,研究还发现,有必要在遗传和技术援助方面进行投资,这样接受调查的各州的牛奶生产商才能更具竞争力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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