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Khosht, A., Abd el khalek, A., Abdel Magid, M. (2025). Effects of Dietary Calcium Levels and Limestone Particle Size on The Performance, Egg Production, and Eggshell Quality in Laying Hens. Egyptian Poultry Science Journal, (), -. doi: 10.21608/epsj.2025.38302.1107
Abeer Rabie Khosht; Ahmed Abd el khalek; Mohamed Abdel Magid. "Effects of Dietary Calcium Levels and Limestone Particle Size on The Performance, Egg Production, and Eggshell Quality in Laying Hens". Egyptian Poultry Science Journal, , , 2025, -. doi: 10.21608/epsj.2025.38302.1107
Khosht, A., Abd el khalek, A., Abdel Magid, M. (2025). 'Effects of Dietary Calcium Levels and Limestone Particle Size on The Performance, Egg Production, and Eggshell Quality in Laying Hens', Egyptian Poultry Science Journal, (), pp. -. doi: 10.21608/epsj.2025.38302.1107
Khosht, A., Abd el khalek, A., Abdel Magid, M. Effects of Dietary Calcium Levels and Limestone Particle Size on The Performance, Egg Production, and Eggshell Quality in Laying Hens. Egyptian Poultry Science Journal, 2025; (): -. doi: 10.21608/epsj.2025.38302.1107

Effects of Dietary Calcium Levels and Limestone Particle Size on The Performance, Egg Production, and Eggshell Quality in Laying Hens

Articles in Press, Accepted Manuscript, Available Online from 19 May 2025  XML
Document Type: Original Article
DOI: 10.21608/epsj.2025.38302.1107
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Authors
Abeer Rabie Khosht email 1; Ahmed Abd el khalek2; Mohamed Abdel Magid3
1Animal Production Research Institute
2Poultry Nutrition, animal production research institute, Giza
3Poultry Nutrition, Animal Production Research Institute, Giza
Abstract
ABSTRACT
This study evaluated the effect of dietary calcium levels and limestone particle size distributions in first-cycle of Golden Montazah layers on performance , egg production and egg quality. A completely randomized experimental design in 3x4 factorial arrangement (three Ca levels – 2.8, 3.0 and 3.2%, and four limestone particle size distributions – (100% fine, 50% fine and 50% coarse, 25% fine and 75% coarse, 100% coarse) was applied, totaling 12 treatments with three replicates of eight birds each. Limestone consisting of fine (F >0.6 mm) and coarse ( 1.9
Keywords
Key words: Egg production; eggshell quality; limestone; particle sizes; hens
Main Subjects
Chicken
Statistics
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