APPLICATION OF NANO-SELENIUM IN LAYER DIETS TO IMPROVE THE PRODUCTIVE PERFORMANCE, EGG QUALITY AND IMMUNOLOGICAL TRAITS IN CHICKENS
Gebriel, G., Fiky, A., Siam, S., Elewa, E., Hassan, A. (2021). APPLICATION OF NANO-SELENIUM IN LAYER DIETS TO IMPROVE THE PRODUCTIVE PERFORMANCE, EGG QUALITY AND IMMUNOLOGICAL TRAITS IN CHICKENS. EKB Journal Management System, 5(3), 43-58. doi: 10.21608/mjapfp.2021.171238
G. M. Gebriel; A. A. EL- Fiky; Salwa M. S. Siam; E. M. Abou- Elewa; A. M. Hassan. "APPLICATION OF NANO-SELENIUM IN LAYER DIETS TO IMPROVE THE PRODUCTIVE PERFORMANCE, EGG QUALITY AND IMMUNOLOGICAL TRAITS IN CHICKENS". EKB Journal Management System, 5, 3, 2021, 43-58. doi: 10.21608/mjapfp.2021.171238
Gebriel, G., Fiky, A., Siam, S., Elewa, E., Hassan, A. (2021). 'APPLICATION OF NANO-SELENIUM IN LAYER DIETS TO IMPROVE THE PRODUCTIVE PERFORMANCE, EGG QUALITY AND IMMUNOLOGICAL TRAITS IN CHICKENS', EKB Journal Management System, 5(3), pp. 43-58. doi: 10.21608/mjapfp.2021.171238
Gebriel, G., Fiky, A., Siam, S., Elewa, E., Hassan, A. APPLICATION OF NANO-SELENIUM IN LAYER DIETS TO IMPROVE THE PRODUCTIVE PERFORMANCE, EGG QUALITY AND IMMUNOLOGICAL TRAITS IN CHICKENS. EKB Journal Management System, 2021; 5(3): 43-58. doi: 10.21608/mjapfp.2021.171238

APPLICATION OF NANO-SELENIUM IN LAYER DIETS TO IMPROVE THE PRODUCTIVE PERFORMANCE, EGG QUALITY AND IMMUNOLOGICAL TRAITS IN CHICKENS

Menoufia Journal of Animal Poultry and Fish Production
Article 5, Volume 5, Issue 3, March 2021, Page 43-58  XML PDF (246.63 K)
Document Type: Original Article
DOI: 10.21608/mjapfp.2021.171238
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Authors
G. M. Gebriel1; A. A. EL- Fiky1; Salwa M. S. Siam2; E. M. Abou- Elewa1; A. M. Hassan1
1Dept. of Poultry and Fish Production, Faculty of Agric., Menoufia Univ., Egypt.
2Animal Research Institute, Agric. Research Center, Ministry of Agriculture
Abstract
The experiment was designed to study the effect of dietary Nano-selenium on productive performance, egg quality and immunological traits in laying hens. A total number of 180 laying hens of Silver Montazah strain were used. Layers were divided randomly into six treatments. Five nano-selenium treatment diets with concentrations (200,160,120,80 and 40 mg/ ton for treatments (T2,T3,T4,T5 and T6), respectively. The treatment (T1) was used as control with 200 mg/ ton diet sodium selenite. The results showed that application of nano-selenium in layer diets was effective in increasing egg number and egg mass. Also, nano-selenium improved some immunological traits, feed conversion and some egg quality traits. The optimum level of nano-selenium was 200 mg/ ton diet, which recorded 5.40 g feed/ g egg mass compared to 9.24 g feed/ g egg mass in control treatment (200 mg/ ton diet). Applications of 200 mg/ ton diets nano-selenium were significantly decreased, heterophils (H%) and H/ A ratio. Where, Lymphocyte was significantly (p ≤ 0.01) increased. Also, there were positive relationship between shell thickness, shell weight (%) and white blood cells counts with increasing the levels of Nano-selenium in layer diets from 40 to 200 mg/ ton as compared to control.
Keywords
Laying hens; Nano-selenium; sodium selenite; productive and immunological traits
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