Poultry News How often do you check eggs coming into your hatchery for hairline cracks? By Jim - February 12, 2020 1066 FacebookTwitterPinterestWhatsAppLinkedinReddItEmailPrintTumblrTelegramMixVKDiggLINEViber Please enjoy a series of Hatchery Tips provided By Aviagen: Tip 6 Identifying all the eggs that have cracked shells on arrival at the hatchery is not easy, but removing and discarding them will increase your hatchability and improve chick quality.