Browsing by Author "Garzon Jarrin, Rafael Alfonso"

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    Problemas de rentabilidad económica y eficiencia técnica en sistemas ganaderos de Ecuador
    (2019) Guevara Viera, Raúl Victorino; Velasco Heras, Cristina Isabel; Torres Inga, Carlos Santiago; Guevara Viera, Guillermo Emilio; Narváez Terán, Jhonny Alfredo; Lascano Armas, Paola Jael; Arcos Álvarez, Cristian Neptali; Garzon Jarrin, Rafael Alfonso; Atzori, Alberto Stanislao; Aguirre de Juana, Ángel Javier; Serpa García, Víctor Guillermo; Carmilema Asmal, Johny Fernando; García Zumalacarregui, Jorge Alejandro
    This systematic review of the literature integrates the findings of existing studies on profitability and technical efficiency (TS) in dairy farms, a classification of the previous literature that provides the basis for the synthesis. We systematically reviewed 63research studies with surveys with rigorous procedures. The revision is applied to the investigation of the published survey. The socio-economic environmental context is linked, the inputs to the system and the products with the variables that measure efficiency. There was no agreement between the authors on the context and the determinants of ET and EEs. The main determinants were the geographical location, the size of the farm, investments in veterinary care, feeding and milking practices and techniques for estimating the ET, public policies and variables related to management. The implications for milk producers and researchers close the review. A relevant characteristic that emerges from the literature is the lack of consensus regarding the measurement techniques and determinants of ET, which remains an open debate. The fact that the data was collected over a period of almost 30 years in all continents, reinforces the probability of heterogeneity between the samples and this could be a strong argument in favor of changes in the efficiency and to generate an exploratory discussion based on evidences of the studies and not fail to take into account the factors discussed here