spawn rising (spanrizing)

In fish - culture, the increase in size of spawn after the milt has been added. spayl (spā), v. t. [Early mod. E. also spaie; dial. spave, spaive, speave; supposed to be spoth = Manx spoiy = Bret. spachein, spaza, castrate, geld; cf. W. yspaddu, exhaust, empty, dyspyddu, drain, exhaust; perhaps connected with L. spado,