Abstract
The purpose of the present study was to detect the passive transfer status in healthy neonatal foals by comparing serum immunoglobulin G (sIgG) concentration, serum total protein (STP), gamma glutamyl transferase (GGT) activity and glutaraldehyde test (GCT) duration. Fifteen (15) neonatal foals (0-15 days old)’ blood samples were collected before suckling (day 0), 12th hour(hr), 24th hr (1st day), 7th and 15th days. Serum IgG and STP activity significantly increased after the 12th hr. Conversely, serum GCT duration significantly decreased in neonatal foals after the 12th hr. The results of the present study was shown that measurements of sIgG, STP concentration and GCT duration are useful to detect Failure of Passive Transport (FPT) in neonatal foals. While GCT and STP provide a simple and inexpensive field test, serum GGT measurement is not a beneficial test to determine colostrum intake in newborn foals.
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