Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52858
Title: Short communication: Evaluation of a color method for testing immunoglobulin G concentration in goat colostrum
Authors: Arguello, A 
Castro, N 
Capote, J
Keywords: Bovine Colostrum
Gravity
Temperature
Hydrometer
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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