Animal feed supplements for use in enhancing disease resistance, accelerating cycle times, and/or enhancing the yield of shrimp, fin fish and crustaceans farmed in aquaculture wherein the feed supplements are in the nature of extracts containing polypeptides, namely an immuno-stimulatory protein, obtained from living organisms, including extracts from plants and plant seeds additionally containing oil bodies

chemicals, namely a bead immunoassay for the detection of sperm-reactive antibodies on spermatozoa