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Bibliographic Details
Main Author:	Araceli Pinelli-Saavedra
Format:	Artículo científico
Language:	es
Published:	Universidad de Sonora 2022
Subjects:	Multidisciplinaria (Ciencias Naturales y Exactas) Verano Mastitis Vitamina A Vitamina E Microbiología de la leche
Online Access:	https://www.redalyc.org/articulo.oa?id=672974928017 https://www.redalyc.org/journal/6729/672974928017/ https://www.redalyc.org/journal/6729/672974928017/html/ https://www.redalyc.org/journal/6729/672974928017/672974928017.epub https://www.redalyc.org/journal/6729/672974928017/movil
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Prevalencia y relación de mastitis con niveles séricos de vitaminas E y A y estatus microbiológico en vacas criollas doble propósito, en época de verano Araceli Pinelli-Saavedra Rosalva Perez-Morales Humberto González-Ríos Alejandra Amavizca-Nazar Multidisciplinaria (Ciencias Naturales y Exactas) Verano Mastitis Vitamina A Vitamina E Microbiología de la leche El objetivo del estudio fue determinar la prevalencia de mastitis subclínica en ganado de doble propósito en pastoreo a través de microbiología en leche y su asociación con niveles séricos de las vitaminas E y A en un ejido de la región central del estado de Sonora, México, en verano donde las temperaturas rebasan los 40°C. Se analizaron 504 muestras de leche correspondientes a los cuatro cuartos de 126 vacas para cultivo microbiológico: pruebas de catalasa, coagulasa y oxidasa. La sensibilidad antimicrobiana de los aislamientos fue por el método de Kirby-Bauer. Las vitaminas A y E fueron analizadas por HPLC. El índice de temperatura y humedad relativa se midió relacionando temperatura ambiente y humedad relativa. Se encontró una prevalencia del 65.80% y especies Gram positivos en racimos, coagulasa y catalasa positiva; oxidasa negativa que suponen del género Staphylococcus sp. La ceftriaxona fue el antibiótico al que mostraron resistencia. Los valores séricos de vitamina A (0.59µmol/L) y E (5.58 µmol/L) fueron menores a los normales y no correlacionados (P>0.05) con mastitis. Los animales mostraron estrés calórico moderado (THI ≥80). Se encontró una alta prevalencia de mastitis subclínica no asociada a las vitaminas y deficiencias de las vitaminas E y A. 2022 artículo científico 1665-1456 https://www.redalyc.org/articulo.oa?id=672974928017 https://www.redalyc.org/journal/6729/672974928017/ https://www.redalyc.org/journal/6729/672974928017/html/ https://www.redalyc.org/journal/6729/672974928017/672974928017.epub https://www.redalyc.org/journal/6729/672974928017/movil 10.18633/biotecnia.v24i1.1552 es http://www.redalyc.org/revista.oa?id=6729 Biotecnia application/pdf Universidad de Sonora Biotecnia (México) Num.1 Vol.24

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