Comparative Performances of Improved Poultry Varieties under Backyard Rearing System in Dhemaji District of Assam

Productive and reproductive performances in terms of body weight, age at first egg, egg production, fertility, hatchability mortality Vanaraja, Rainbow Rooster, Kamruapa Desi chicken Assam were studied under traditional backyard system rearing. The Rooster birds given to rear the frontline demonstration programmes Krishi Vigyan Kendra, Dhemaji women farmers district during 2020-21. data on bird weights different ages, weights, as well collected recorded compared among varieties. from study analyzed per standard statistical methods. overall mean significantly (P < 0.05) higher all improved varieties than ages. There is also significant difference Vanaraja (182.05±5.52 days), (175.08±6.13 (163.06±5.52 days) (203.31±3.31 days). production values up 32, 40, 52 72 weeks demonstrated corresponding birds. 40 However, no was observed rates four groups fertility percent genetic groups. It concluded that are adapted rearing agro-climatic conditions with adequate economic advantages over Indigenous