System of Maintenance and Contribution of Local Chicken Livestock Business (Gallus Domesticus) to Household Income of Farmers in Sinar Jaya Jelutung Village Sungailiat District: Sistem Pemeliharaan dan Kontribusi Usaha Ternak Ayam Lokal (Gallus Domesticus) Terhadap Pendapatan Rumah Tangga Peternak di Kelurahan Sinar Jaya Jelutung Kecamatan Sungailliat. JIA. 2019;1(2):107-114. doi:10.33019/jia.v1i2.1070