Growth performance of Vanaraja birds in high altitude areas of Arunachal Pradesh under backyard system of management

M.K.Ghosh, F.A.Ahmed, R.Buragohain, P.K.Pathak and M. Bhattacharya
National Research Centre on Yak (ICAR)
Dirang, Arunachal Pradesh

Vanaraja, a dual-purpose bird developed by PDP, Hyderabad, has potentiality for providing economic benefit as well as generating employment of the rural people in our country. In the present study, productive performance of Vanaraja birds, in terms of growth, feed intake and feed conversion efficiency, were studied in village condition in high altitude areas (5000 to 8000 ft. above msl) of Arunachal Pradesh. The day-old chicks received from PDP, Hyderabad were distributed among the villagers of the district and performance were recorded under scavenging system of rearing up to 6 th weeks of age. During the starter period up to two weeks of age, the chicks were kept inside huts under deep litter system and brooding in the form of room heater and bukhari (a local practice to keep the room hot during winter season) was provided. After two weeks of age, the common rearing practice adopted by the farmers was letting the chicks loose during the day time and offering on an average 10-30 g of concentrate feeds per chicks in the form of crushed maize, boiled rice, broken rice and kitchen waste etc. A major portion of their requirements were also met from scavenging in the form of insects, worms, seeds of grasses, tender leaves of grasses etc. in their surrounding. In the nighttime, the birds were kept inside hut and heat by bukhari was provided. The average body weight of the day old chicks recorded was 37.76g (Ranging from 33.20g to 42.50g). The average body weight at 6 th weeks of age was observed to be 810.1 g (ranging from 588.2g to 1000.0g) and total feed intake during this period was 2039.0g (1518.7g to 2377.9g). The average feed conversion efficiency estimated was 2.64 kg (ranging from 2.37 to 2.95 kg) at 6 th weeks of age. The mortality percentage observed during this period was 22.63%, highest recorded during the brooding period. Comparatively higher mortality recorded during this period may be attributed to remoteness of the place causing damage to the chicks during transportation and cold as the present study was conducted during the months of Oct-Nov., when the average temperature was usually in the range of 12-24oC. Thus, it can concluded that the Vanaraja birds may be the birds of choice for the people of the remote, hilly areas of Arunachal Pradesh for their adaptability, and with improved feeding and managemental practices, may contribute significantly towards economic development.

Source : IPSACON-2005

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