2022
DOI: 10.18633/biotecnia.v24i1.1552
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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

Abstract: La mastitis es una enfermedad infecciosa de las vacas y se debe a diversos factores, como la zona geográfica, el clima, periodos de sequía, nutrición e higiene en ordeña principalmente. 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 durante el verano en un ejido aledaño a la comunidad rural de Cobachi, Sonora. Quinientos cuatro muestras de leche co… Show more

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“…These results are possibly associated with the high temperatures which for Arauca averages 32.6°C in the dry period, with a relative air humidity of 65% [ 30 ], which can cause a decrease in food consumption, causing a negative energy balance affecting their immunity and facilitating the colonization of pathogens in the mammary gland. The results are similar to those reported in Mexico for milking cows where the prevalence was higher in summer (drought, temperature >42°C) [ 55 ], possibly due to heat stress caused by high temperatures in the region in the dry season. In Arauca, the production system is extensive, where the supply and quality of pastures depends on weather conditions, rainfall, temperature, and soil quality.…”
Section: Discussionsupporting
confidence: 88%
“…These results are possibly associated with the high temperatures which for Arauca averages 32.6°C in the dry period, with a relative air humidity of 65% [ 30 ], which can cause a decrease in food consumption, causing a negative energy balance affecting their immunity and facilitating the colonization of pathogens in the mammary gland. The results are similar to those reported in Mexico for milking cows where the prevalence was higher in summer (drought, temperature >42°C) [ 55 ], possibly due to heat stress caused by high temperatures in the region in the dry season. In Arauca, the production system is extensive, where the supply and quality of pastures depends on weather conditions, rainfall, temperature, and soil quality.…”
Section: Discussionsupporting
confidence: 88%