Figure 5: Single Radial Immunodiffusion Analysiso Igg for Bovine Milk Samples Affected by Different Heat Treatments Wells No: 1 and 2 represent samples of cow number 5 at 4 and 7 days postpartum. Wells No: 3, 4, 5 and 6 represent control, 63°C/30 min., 72°C/15 sec. and 100°C/10 min. at 1st day postpartum. Wells No: 7, 8, 9 and 10 represent control, 63°C/30 min., 72°C/15 sec. and 100°C/10 min. at 2nd day postpartum. Wells No: 11, 12, 13 and 14 represent control, 63°C/30 min., 72°C/15 sec. and 100°C/10 min. at 3rd day postpartum.