STUDIES ON BROILER AND LAYER TRAITS OF DESI BIRDS AND ITS CROSSES WITH PB2 STRAIN UNDER DIFFERENT SYSTEMS OF MANAGEMENT
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Date
2015
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Publisher
Birsa Agricultural University, Kanke, Ranchi, Jharkhand
Abstract
On the basis of results obtained in present study the
following conclusions can be drawn:
1) PB2 X Desi birds were significantly superior in growth,
early sexual maturity, higher body weight at first lay, high
egg production rate and higher egg weight than that of
Desi birds under both farm and village conditions of
management. A significant superiority of PB2 X Desi birds
in hatch weight and body weight at various stages of
growth is an additional advantage in economic traits by
crossing of Desi birds with PB2 strain.
2) The higher body weight gain and feed conversion
efficiency in PB2 X Desi birds than Desi birds indicated PB2
X Desi birds to be more economical than that of Desi birds.
3) The positive and significant phenotypic correlation among
body weight of birds at various ages would form an
excellent basis for selection of birds at earlier ages.
4) The high and positive phenotypic correlation between
body weight and shank length would be more reliable
basis of selection.
5) Since the cholesterol level of egg yolk and meat of Desi
and PB2 X Desi birds was lesser than the recommended
level, egg and meat of Desi and PB2 X Desi birds can be
included as a part of healthy diet.
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6) PB2 X Desi birds are more suitable for farm owing to its
physical conformation and inherent genetic potentials of
faster growth. Whereas, Desi birds are being more
adaptable to rural conditions with comparatively higher
disease tolerance capacities. The PB2 X Desi birds are more
economical than that of Desi birds under both farm and
village conditions of management. Therefore, PB2 X Desi
birds can be recommended for rearing in villages for better
returns than Desi birds.
Description
STUDIES ON BROILER AND LAYER TRAITS OF DESI BIRDS AND ITS CROSSES WITH PB2 STRAIN UNDER DIFFERENT SYSTEMS OF MANAGEMENT
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