Rear all males together. Place temporary partitions within large pens. Diseased flock Conduct an approved disease control program. Frozen combs and wattles Provide comfortable housing. Properly select and maintain drinking fountains.
Old males Replace with younger males.
Artificially inseminate infertile hens. Follow recommendations of primary breeder company. Incubate eggs within 7 days of lay. Symptoms Probable Cause Corrective Measures Blood rings Improper storage Follow recommended egg storage and gathering recommendations. Check thermometer accuracy and incubator functions.