Changes that occurred in bovine dairy farms from 2014 to 2023 in the dairy basin of the Lerma Valley, Argentina
DOI:
https://doi.org/10.14409/favecv.2025.1.e0038Keywords:
systems, milk, Argentinean northwestAbstract
The purpose of this work was to understand the relevant productive changes in the dairy farms of the Lerma Valley (Salta), from the beginning of 2014 to the end of 2023. During the period 2022-2023, a cross-sectional survey was carried out in 10 dairy farms, recording infrastructure, productive, health and reproductive data that was contrasted with a previous survey carried out in 2013-2014. The results show that 50% of the dairy farms changed from a grazing-based system to totally confined systems with greater incorporation of technology. This change was accompanied by a 53.4% increase in the number of cows per dairy farm, going on average from 283.4 ± 64.1 to 418.8 ± 212.7 animals, and an average daily milk production increase from 5.818 ± 1.894 to 8.298 ± 3.524 liters per farm, and from 23.6 ± 2.8 to 25.6 ± 5.9 liters per cow. Although an increase in production was evident, fundamentally from the intensification of the systems, investment in infrastructure and technology and herd size increases, deficiencies of the reproductive and health data must be studied since their parameters as the mortality and culling rates did not change.
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Copyright (c) 2025 Gabriela Marcela MARTINEZ, Víctor H. SUAREZ, Rebeca L. CARABAJAL, Facundo L. VITTE, Micaela TOMECEK, Julia A. DELGADO
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