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Effect Of Molting On Reproductive Performance Of Indigenous Aseel Chicken

By: Bashir Ahmad Khan (2013-VA-447) | Dr. Aijaz Ali Channa.
Contributor(s): Dr. Amjad Riaz | Prof. Dr. Athar Mahmud.
Material type: materialTypeLabelBookPublisher: 2015Description: 32p.Subject(s): Department of TheriogenologyDDC classification: 2423-T Dissertation note: The native breeds of Aseel chicken are playing vital role by producing organic meat and eggs. The Aseel chicken breed has some advantage as compared to other native breeds like, Lyallpur Silver black and Desi for their growth traits. However the growth and production traits need to be enhanced. There is no commercial farming system of Aseel chicken due to its poor fertility and hatchability. To overcome these problems the breeding roosters must be physiologically elite having excellent semen quality for better growth and egg production. The objective of this study was to enhance the semen quality, fertility and hatchability of Aseel roosters by the process of induced molting. For this purpose molting was induced in the 3 old males. There were three groups of Aseel Lakha cockerels’ i.e. molted, non-molted and fresh. The research was performed at Indigenous Genetic Resource Center (ICGRC), Department of Poultry Production, Ravi Campus, Pattoki. To evaluate the impact of induced molting on semen quality, fertility and hatchability followed by natural mating of females to get better fertility and hatchability in eggs. Six Aseel roosters up to 60 weeks of age having 3.5 to 4kg body weight were divided into two groups’ as molted and non-molted. Third group of fresh birds more than 30 weeks of age were selected in this experiment as control. In one older group molting was induced by feed restriction. After completion of molting, two weeks rest was given to birds to recover body weight. These birds were trained for semen collection by abdominal massage method for two weeks. Semen was brought to the laboratory for evaluation after collection in all three groups. The significant difference (P < 0.05), was observed for volume, concentration, motility, livability and morphological defects in molted, non-molted and fresh groups. Eggs collected from the females mated with three groups were stored at 40C for two weeks. After that these Summary 26 fertility, infertile eggs, and dead germs, dead in shell and hatchability% were recorded in three experimental groups. There was significant difference (P < 0.05), between fertility % infertile eggs % dead germs % and hatchability %. It is concluded that the semen quality is improved by the process of induce molting. Further egg sets from the females mated with induced molted males’ yielded better fertility (77%) and hatchability (54.1%) in indigenous Aseel chicken so induced molting is a better tool for the old males after 60 weeks of age for their reproductive performance.
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The native breeds of Aseel chicken are playing vital role by producing organic meat and eggs. The Aseel chicken breed has some advantage as compared to other native breeds like, Lyallpur Silver black and Desi for their growth traits. However the growth and production traits need to be enhanced. There is no commercial farming system of Aseel chicken due to its poor fertility and hatchability. To overcome these problems the breeding roosters must be physiologically elite having excellent semen quality for better growth and egg production. The objective of this study was to enhance the semen quality, fertility and hatchability of Aseel roosters by the process of induced molting. For this purpose molting was induced in the 3 old males. There were three groups of Aseel Lakha cockerels’ i.e. molted, non-molted and fresh. The research was performed at Indigenous Genetic Resource Center (ICGRC), Department of Poultry Production, Ravi Campus, Pattoki.
To evaluate the impact of induced molting on semen quality, fertility and hatchability followed by natural mating of females to get better fertility and hatchability in eggs. Six Aseel roosters up to 60 weeks of age having 3.5 to 4kg body weight were divided into two groups’ as molted and non-molted. Third group of fresh birds more than 30 weeks of age were selected in this experiment as control. In one older group molting was induced by feed restriction. After completion of molting, two weeks rest was given to birds to recover body weight. These birds were trained for semen collection by abdominal massage method for two weeks. Semen was brought to the laboratory for evaluation after collection in all three groups. The significant difference (P < 0.05), was observed for volume, concentration, motility, livability and morphological defects in molted, non-molted and fresh groups. Eggs collected from the females mated with three groups were stored at 40C for two weeks. After that these
Summary
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fertility, infertile eggs, and dead germs, dead in shell and hatchability% were recorded in three experimental groups. There was significant difference (P < 0.05), between fertility % infertile eggs % dead germs % and hatchability %. It is concluded that the semen quality is improved by the process of induce molting. Further egg sets from the females mated with induced molted males’ yielded better fertility (77%) and hatchability (54.1%) in indigenous Aseel chicken so induced molting is a better tool for the old males after 60 weeks of age for their reproductive performance.

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