The Effectiveness of Using a Combination of Saponin and Vaccine Given In Ovo on Hatchability and Early Growth Performance of Local ChickensRantan Krisnan, Cecep Hidayat, Astu Unadi, Isbandi, Supardi Rusdiana, Simon Petrus Ginting, Bachtar Bakrie, Chalid Talib, Andi Tarigan, Mohammad Ikhsan Shiddieqy, Muhamad Hamdan, Andi Suhandi and Winwin WidaringsihBIO Web Conf., 88 (2024) 00020DOI: https://doi.org/10.1051/bioconf/20248800020