Hassan, M. (2025). EFFECT OF INTERACTION BETWEEN FEED RESTRICTIO AND DIETARY ENERGY LEVELS ON PRODUCTIVE, PHYSIOLOGICAL AND IMMUNOLOGICAL PERFORMANCE OF TWO DEVELOPED STRAIN CHICKENS.. Egyptian Poultry Science Journal, (), -. doi: 10.21608/epsj.2025.26569.1089
Magdy Sayed Hassan. "EFFECT OF INTERACTION BETWEEN FEED RESTRICTIO AND DIETARY ENERGY LEVELS ON PRODUCTIVE, PHYSIOLOGICAL AND IMMUNOLOGICAL PERFORMANCE OF TWO DEVELOPED STRAIN CHICKENS.". Egyptian Poultry Science Journal, , , 2025, -. doi: 10.21608/epsj.2025.26569.1089
Hassan, M. (2025). 'EFFECT OF INTERACTION BETWEEN FEED RESTRICTIO AND DIETARY ENERGY LEVELS ON PRODUCTIVE, PHYSIOLOGICAL AND IMMUNOLOGICAL PERFORMANCE OF TWO DEVELOPED STRAIN CHICKENS.', Egyptian Poultry Science Journal, (), pp. -. doi: 10.21608/epsj.2025.26569.1089
Hassan, M. EFFECT OF INTERACTION BETWEEN FEED RESTRICTIO AND DIETARY ENERGY LEVELS ON PRODUCTIVE, PHYSIOLOGICAL AND IMMUNOLOGICAL PERFORMANCE OF TWO DEVELOPED STRAIN CHICKENS.. Egyptian Poultry Science Journal, 2025; (): -. doi: 10.21608/epsj.2025.26569.1089
EFFECT OF INTERACTION BETWEEN FEED RESTRICTIO AND DIETARY ENERGY LEVELS ON PRODUCTIVE, PHYSIOLOGICAL AND IMMUNOLOGICAL PERFORMANCE OF TWO DEVELOPED STRAIN CHICKENS.
Articles in Press, Accepted Manuscript, Available Online from 19 May 2025
Animal production Research institute, poultry breeding department
Abstract
This experiment was conducted at Inshas Poultry breeding station, Animal Production Research Institute, Agricultural Research Center. The experiment was carried out on the Matrouh and Silver Montazah strains which used 120 female + 12 male for each strain. Hens were reared from 24 to 40 weeks of age under the same management of ventilation, lighting program and immunization length of the experimental, the water was offered ad-libitum. Birds were randomly divided into four treatment groups each has 30 females + 3 males .each group divided into three replicates (10 female + 1 male / replicate ) as follows: 1-The first group was taken 120 g feed/hen/day + 2600 ME kcal / K g diet (control group). 2- The second group was taken 120 g feed/hen/day + 2800 ME kcal / K g diet. 3-The third group was taken 100 g feed/hen/day + 2600 ME kcal / K g diet. 4-The fourth group was taken 100 g feed/hen/day + 2800 ME kcal / K g diet. During the experimental period, the following productive, physiological measurements were taken and at the end the experimental period economic efficiency was calculated. The most important results obtained were as follows: 1- Siver Montazah strain fed 120 g/hen/day + 2800 ME kcal / K g diet /diet recorded higher egg production %, egg mass and body weight change compared with other groups, while feed conversion was improved in groups fed 100 g + 2800 ME kcal / K g diet either for Siver Montazah or Matrouh. 2- There was no significant difference in all semen quality parameters between the groups take 120 and 100 g/hen/day and take 2800 and 2600 ME kcal / K g diet, but the groups take
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