Effect of the interaction between coagulant type [BovineTR (A) = natural bovine chymosin; BovineFPC (B, C) = bovine fermentation produced chymosin; Rhizormucor miehei (D, E, F) = microbial coagulant produced by fermentation using Rhizomucor miehei; CamelFPC (G) = camel fermentation produced chymosin; BovineVAR (H) = engineered bovine chymosin] and its doses (least square means and F-values and significance of contrasts) in the milk (IMCU = International Milk Clotting Units) on modeled milk coagulation properties