1. Comparison of refractometers and test endpoints in the measurement of serum protein concentration to assess passive transfer status in calves;Calloway,2002
2. A sodium sulfite-precipitation tests for assessment of colostral immunoglobulin transfer to calves;Pfeiffer,1977
3. Use of the glutaraldehyde coagulation test for detection of hypogammaglobulinemia in neonatal calves;Tennant,1979
4. Optimizing performance of a qualitative zinc sulfate turbidity test for passive transfer of immunoglobulin G in calves;Hudgens,1996