02938naa a2200301 a 450000100080000000500110000800800410001902400300006010000180009024502050010826000090031350004360032252015060075865000110226465300130227565300200228865300150230865300240232365300230234765300280237065300270239870000150242570000160244070000120245670000140246870000160248277301380249810637032022-11-04       2022    bl uuuu     u00u1 u    #d7 a10.53588/alpa.3006142DOI1 aGARZÓN, J.P.  aPregnancy survival in Holstein cows associated with parity and biotype in Uruguay. [Supervivencia de la gestación en vacas Holstein asociada a la paridad y biotipo en Uruguay].h[electronic resource]  c2022  aArticle history: Published October 19 2022. Corresponding author: Juan P. Garzón, email: juan.garzon@iniap.gob.ec -- License: This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. https://creativecommons.org/licenses/by-nc-sa/4.0/ Issue: "Suplemento Proceedings IV Congreso Internacional de Producción Animal Especializada en bovinos, Cuenca, Ecuador, 20-22 octubre 2022".  aABSTRACT.- The effects of gestation loss (PDG) on the reproductive cycle of dairy cows is an issue of great importance for dairy herds, since it is the main factor that generates suboptimal reproductive efficiency, leading to a negative impact on profitability. (Diskin et al., 2016). In addition, the PDG is considered a key indicator of the health and welfare situation in dairy herds (Campero et al., 2017). PDGs are multifactorial in nature with environmental, nutritional, metabolic, hormonal, genetic and/or health origins (Wiltbank et al., 2016). The adequate systematization of information in reproductive management allows the identification of risk factors that affect pregnancy, and guides the producer, advisory veterinarian and veterinary diagnostic laboratory to improve prevention, diagnosis and research processes (Mee, 2020 ; Smith et al., 2014). In Uruguay, it is estimated that between 4% and 8% of dairy cows abort (Macías-Rioseco, 2019; Suanes et al., 2021), however, there are few studies that report the incidence of PDG at the level of dairy herds , basic and required information to identify risk factors and thus develop a PDG surveillance system. The objective of this work was to determine the incidence of PDG and gestational survival in relation to parity and biotype in Holstein cows in grazing systems in southern Uruguay. Copyright (c) 2022 Juan P. Garzón , Waldemir Santiago Neto, Victoria Urioste, Marcelo Pla, Eduardo Vidal, Santiago Fariña, Gustavo D.A. Gastal.  aABORTO  aAbortion  aEmbryonic Death  aIncidencia  aManejo Reproductivo  aMuerte Embrionaria  aReproductive Management  aSISTEMA LECHERO - INIA1 aNETO, W.S.1 aURIOSTE, V.1 aPLA, M.1 aVIDAL, E.1 aFARIÑA, S.  tArchivos Latinoamericanos de Producción Animal, 2022, vol. 30, supl.2, 83-86. OPEN ACCESS. doi: https://doi.org/10.53588/alpa.300614