ORANGE CITY, Iowa — A Four-State Dairy Nutrition and Management Conference webinar will begin at noon July 9, with Robert Fourdraine, assistant director of product development at DRMS, discussing how a poor or good start to a lactation can have long-lasting effects on a cow's performance. DRMS data shows cows with a poor start to a lactation have a 50% chance of repeating that same poor start in a subsequent lactation. Producers, dairy consultan…