Bovine Haptoglobin ELISA Kit from Innovative Research was recently used in the following study:

Short communication: Effects of meloxicam administration on protein metabolism and growth performance in transported Jersey calves

G.E.Chibisa, J.R.Vinyard, A.H.Laarman
Journal of Dairy Science, 27 September 2018

"Our objective was to investigate the effects of administering the nonsteroidal anti-inflammatory drug meloxicam (MEL) before transport on various indicators of protein metabolism and growth performance over the first 96 h after transport in Jersey calves ... Commercial kits were used to analyze ... serum haptoglobin (0- and 96-h samples; Innovative Research, Novi, MI)..."