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SERUM IMMUNOGLOBULIN CONCENTRATION OF CALVES AND THEIR RELATIONSHIP WITH POSTNATAL DISEASES UP TO TWO MONTHS

Gladys Villouta C.1, marisol González Y.2, Raimundo Prado D.3 y Klaus Rusch M.4

The serum immunoglobulin concentration of 231 dairy calves, two to seven days old raised on seven dairy farms of central Chile were determined using the Zinc Sulphate Turbidity Test (ZST). All animals consumed colostrum ad libitum from their dams until 2 to 8 days old. Serum immunoglobulin levels were associated with postnatal diseases, birth weight, weight at two monsths and season at birth

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1Méd. Vet., Patología Clínica, Facultad de Medicina Veterinaria, Universidad de Chile, Casilla 13, Correo 15, La Granja, Santiago, Chile.
2Ing. Agr., Programa Producción de Leche, Estación Experimental La Platina, Instituto de Investigaciones Agropecuarias (INIA), Casilla 5427, Santiago, Chile.
3Méd, Vet., Zurich 248, Santiago, Chile.
4Méd. Vet., Medicina Clínica y Cirugía, Facultad de Medicina Veterinaria, Universidad de Chile, Casilla 13, Correo 15, La Granja, Santiago, Chile.

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