Comparación del uso del refractómetro Brix y calostrometro para estimar la calidad del calostro en vacas lecheras
Palabras clave:
calostro, grados brix, calostrómetro, vacas lecherasResumen
El calostro es la primera secreción mamaria y es la única forma en la cual las becerras adquieren inmunidad pasiva. El objetivo de este estudio es determinar la correlación de la calidad del calostro de vacas lecheras de alta producción medido con calostrómetro y refractometría digital de grados Brix (°Bx). Se tomaron 340 muestras de calostro del mismo número de vacas y fueron analizadas mediante el calostrómetro y refractometría de °Bx. Se realizó una regresión lineal simple y se determinó el coeficiente de determinación (R²). Todo a través del paquete estadístico SPSS 25.0. La media de con calostrómetro fue de 87.94±110, mientras con refractometría Brix fueron de 26.19±18, con una R2 0.706 con un valor de P<0.0001. En conclusión, las lecturas de refractometría y el calostrómetro, son métodos efectivos en determinar las inmunoglobulinas. El refractómetro Brix tuvo una correlación aceptable, lo cual puede ser una herramienta fácil de verificación de calidad de calostro al pie de la vaca.
http://dx.doi.org/10.21929/abavet2024.5
e2021-82
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