|Title:||Short communication: Evaluation of a color method for testing immunoglobulin G concentration in goat colostrum||Authors:||Arguello, A
|Issue Date:||2005||Publisher:||0022-0302||Journal:||Journal of Dairy Science||Abstract:||Colostrum samples ( n = 1084) of first and second milking from Majorera goats were taken. The immunoglobulin (Ig) G concentrations estimated by measurement of the color of goat colostrum and by the radial immunodiffusion technique were compared. Least squares analysis of the relationship between the color measurement method and IgG concentration resulted in a significant linear relationship. Using 20 mg of IgG/ mL of colostrum as the cut-off point for colostrum selection, the sensitivity, specificity, and negative predictive value of the color method as a test of IgG concentration in goat colostrum were 93.03, 71.43, and 78.12%, respectively.||URI:||http://hdl.handle.net/10553/52858||ISSN:||0022-0302||Source:||Journal Of Dairy Science[ISSN 0022-0302],v. 88 (5), p. 1752-1754|
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