April - Brood stock, Walleye spawning. Walleye - We farm over 300 acres of walleye and muskie fingerlings. Spawning Golden Rainbow Trout in February. A rare day in Minnesota when the temperature goes above freezing in the winter! 3-year-old Golden Rainbow Trout. Late spawning January/February can take warmer water. 2-year-old Golden Rainbow Trout used for spawning. April - Walleye Raceways in Summer Farm in Summer Raceways in Winter Golden Trout in outside tank Fish Health Testing