Volume: 55 Issue: 4
Year: 2024, Page: 748-752, Doi: https://doi.org/10.51966/jvas.2024.55.4.748-752
Received: Sept. 4, 2024 Accepted: Oct. 22, 2024 Published: Dec. 31, 2024
A total of 60 freshly laid eggs were collected randomly from Kamrupa and indigenous chickens of Assam
reared under three different systems of management viz. intensive, semi-intensive and free-range systems (10 eggs
from 3 rearing systems=30 x 2 varieties=60 eggs) and were sent to the post-graduate laboratory of Department of Poultry
Science, AAU, Khanapara, Guwahati-781022 to assess different egg quality characteristics. The results indicated that
the overall egg weights (gm) of Kamrupa chicken were significantly (P<0.05) higher than that of indigenous chicken
in different management systems. Yolk weights of indigenous chicken under different rearing systems showed no
significant difference, while the corresponding values in Kamrupa chicken were significantly (P<0.05) lower in the freerange
system than other two systems. The albumen weights were significantly (P<0.05) varied across genetic groups
and rearing systems. The shape indices recorded in the intensive and free-range system of indigenous chicken were
comparable but significantly (P<0.05) higher than the semi-intensive system. In indigenous chicken, the yolk index was
significantly (P<0.05) higher in the semi-intensive system than other two systems of rearing, while in Kamrupa, the values
were significantly higher in the intensive and semi-intensive than free-range system. In both the genetic groups, the
albumen indices were significantly (P<0.05) higher in the intensive system than in the other two systems. The Haugh
unit scores were also significantly (P<0.05) higher in intensive systems of rearing than other systems in both the genetic
groups. Therefore, it may be concluded that both genetic groups and the rearing system could influence the egg quality
characteristics.
Keywords: Egg quality parameters, Kamrupa chicken, indigenous chicken, intensive, semi-intensive, free-range system
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© 2024 Rafiqul et al. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0
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Rafiqul, I., Shobha, D. D., Arfan, A., Mustafizur, R. and Mihir, S. 2024. Effect of different genetic groups and
rearing systems on chicken egg quality parameters.
J. Vet. Anim. Sci. 55 (4):748-752