EFFECT OF SPLIT FEEDING SYSTEM ON EGG PRODUCTION AND EGG QUALITY OF DANDARAWI LAYERS

El-kelawy, Mahmoud; Makled, Mohamed Nabil; Abd El-Razek, Mahmoud Magdy; Galal, Ali

doi:10.21608/epsj.2025.27251.1094

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	EFFECT OF SPLIT FEEDING SYSTEM ON EGG PRODUCTION AND EGG QUALITY OF DANDARAWI LAYERS
Articles in Press, Accepted Manuscript, Available Online from 19 May 2025
Document Type: Original Article
DOI: 10.21608/epsj.2025.27251.1094
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Authors
Mahmoud El-kelawy ¹; Mohamed Nabil Makled²; Mahmoud Magdy Abd El-Razek²; ali Galal³
¹Department of Poultry Production, Faculty of Agriculture , New valley University, Egypt.
²Department of poultry production, Faculty of Agriculture, Assiut University, Egypt
³Poult. Prod. Dep., Fac. of Agric., Assiut Uni., Assiut 71515, Egypt;
Abstract
This study was conducted to study the effect of split feeding system on egg production and egg quality of Dandarawi layers at their late phase of egg production cycle. A total of 100 Dandarawi Layers (12 months old) were divided into two groups. Each group was divided into 5 replicates (10 hens each). The first group was kept as control and fed one diet throughout the day (regular diet with optimum level of energy, protein and calcium). Whereas, the second group was fed according to split feeding system by having access to two diets throughout the day. The first diet (high energy, high protein and low calcium) offered from 6 am to 6 pm, and the second diet (low energy, low protein and high calcium) offered from 6 pm to 6 am. Body weight, feed intake, feed conversion ratio, egg production traits, egg quality were recorded, estimated or calculated. The results revealed that the split feeding system did not result in any significant changes in body weight or body weight change during the experiment period from 12 to 16 months of age. Feed consumption was significantly decreased and feed conversion ratio was significantly improved by following split feeding system. There was a tendency to numerical increase in egg number, egg laying rate % and egg mass for the split feeding system during the period from 12 to 16 months of age. Split feeding system significantly increased egg length, egg width, albumen weight, albumin height and Haugh units compared with the control group. However, there was no significant influence of split feeding on egg weight, egg specific gravity, shape index, egg yolk quality, albumin%, and eggshell traits. It could be concluded that split feeding of Dandarawi layers at their late phase of egg laying cycle has led to improve productive performance.
Keywords
Split feeding; egg production; egg quality; layers
Main Subjects
Chicken


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