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130623

IMPACT OF DIETARY SUPPLEMENTATION WITH NANO AND ORGANIC SELENUIM WITHOUT OR WITH VITAMIN E ON GROWTH PERFORMANCE AND SELENIUM METABOLISM IN GROWING RABBITS

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Last updated: 22 Jan 2023

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Abstract

The objective of the present study was to examine the effects of dietary supplementation with two sources of selenium (Se), organic (Org-Se) and Nano-Se without or with vitamin E (Vit-E) on growth performance and Se metabolism in New Zealand White (NZW) growing rabbits.
In a factorial experimental design (2x3), ninety weaned NZW rabbits of 5 weeks old and with average body weight, 579.5 ± 5.53g were used in the study for 56 days. Rabbits were randomly distributed into 6 experimental groups and fed the following six diets : (1) control Basal diet without any supplementation, either Vit. E or Se; (2) Basal diet + 250 mg Vit. E/ kg diet; (3) Basal diet + 0.3 mg Org- Se /kg diet; (4) Basal diet + 0.3 mg Org -Se /kg diet+ 250 mg Vit. E/ kg diet; (5) Basal diet + 0.3 mg Nano-Se  /kg diet; (6) basal diet + 0.3 mg Nano-Se /kg diet + 250 mg Vit. E/ kg diet.
Results of the experiment revealed that live body weight (LBW) and total body gain (TBG) were significantly higher (P< 0.05)  and feed conversion ratio (FCR) was the best with rabbits fedbasal diet plus Nano-Secompared to those fed the control diet or rabbits fed  basal diet plus Org-Se.  However,with adding Vit. E to the basal diet, the differences in these traits were not significant among the rabbit groups.
Selenium concentrations in kidneys, liver, muscles and blood serum were insignificantly higher in rabbits fed supplemental Nano- Se than in those fed basal diet without any supplementation (control) or those fed supplemental Org-Se. However, Se concentration significantly increased (P< 0.05) in kidneys and liver in rabbit groups fedsupplementalvitamin E and was the highest in rabbitsfed supplemental Nano-Se plusVit. E. Selenium concentration in muscles and blood serum showed statistically similar values among rabbit groups fed diets supplemented with Vit. E.
The economic efficiency (%) was statistically the same with rabbits fed either Nano-Se plus Vit. E or control diet plus Vit. E, while, it was the lowest with rabbits fed Org- Se compared to the control and other groups. 
 Conclusively, based on the results of the present experiment and from the economic point of view and to ameliorate the adverse effects of heat stress on growing rabbits during the hot summer conditions in Egypt, it is advisable to supply the basal rabbit diet with  Se, either as Nano- Se or  Org- Se only without  Vit E diet. There are still future studies to determine the effect of Nano Se on human and animal health.
  

DOI

10.21608/jpd.2020.130623

Keywords

Nano & Organic Selenuim Supplementation, vit. E, Growth performance, Selenium Metabolism, Rabbits

Authors

First Name

Donia

Last Name

Abd Allah

MiddleName

-

Affiliation

Department of Animal and Poultry Production, Faculty of Technology and Development, Zagazig University, Egypt.

Email

dradam6102017@yahoo.com

City

of Animal and Poultry Production, Faculty of Technology and Development, Zagazig University

Orcid

-

First Name

Mostafa

Last Name

Tawfeek

MiddleName

-

Affiliation

Department of Animal and Poultry Production, Faculty of Technology and Development, Zagazig University, Egypt.

Email

mostawms@hotmail.com

City

zagaFaculty of Technology and Development, Zagazig University,zig

Orcid

-

First Name

Ali

Last Name

rashwan

MiddleName

-

Affiliation

Department of Animal and Poultry Production, Faculty of Technology and Development, Zagazig University, Egypt.

Email

rashwanali@hotmail.com

City

Faculty of Technology and Development, Zagazig University

Orcid

-

First Name

Dawlat

Last Name

El Kerdawy

MiddleName

-

Affiliation

Department of Animal and Poultry Production, Faculty of Technology and Development, Zagazig University, Egypt.

Email

-

City

Faculty of Technology and Development, Zagazig University

Orcid

-

Volume

25

Article Issue

3

Related Issue

12175

Issue Date

2020-07-01

Receive Date

2020-06-08

Publish Date

2020-07-01

Page Start

323

Page End

342

Print ISSN

1110-2543

Online ISSN

2682-3322

Article File

JPD_Volume 25_Issue 3_Pages 323-342.pdf

PDF . 602.7kB

Link

https://jpd.journals.ekb.eg/article_130623.html

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https://jpd.journals.ekb.eg/service?article_code=130623

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5

Type

Original Article

Type Code

867

Publication Type

Journal

Publication Title

Journal of Productivity and Development

Publication Link

https://jpd.journals.ekb.eg/

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Article

Created At

22 Jan 2023