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Study on adaptability, productive performance and constraints of Vanaraja birds in backyard system of rearing at Udalguri district of Assam, India

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The present study was conducted on 600 Vanaraja birds reared in backyard system at Udalguri district of Assam under Tribal Sub Plan project. The overall body weight of male and female Vanaraja birds at 40th week of age was recorded as 3980.53 ± 330.74 and 3080.55 ± 143.22 grams, respectively. Age of hen at first egg laying was 162.55 ± 11.43 days. Egg production of Vanaraja bird was recorded as 146 ± 14.66 per bird per year. The benefit cost ratio of male at 16 week and female Vanaraja bird at 1 year was recorded as 2.05:1 and 1.96:1, respectively. | Study on adaptability, productive performance and constraints of Vanaraja birds in backyard system of rearing at Udalguri district of Assam, India

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